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April 19, 1996
This document contains a high-level proposal for embedding fonts in HTML documents on the World Wide Web. Clients interact with platform-specific services (called "embedding services" in this document) that provide much of the embedding functionality.
The embedding services used by the clients perform th... | <urn:uuid:c7b76406-7a9c-42c8-9d25-ffd8b8f77740> | 2.90625 | 857 | Documentation | Software Dev. | 41.88008 | 1,300 |
Well inside the Arctic Circle, scientists have found black smoker vents farther north than anyone has ever seen before. The cluster of five vents — one towering nearly four stories in height — are venting water as hot as 570 F.
Dissolved sulfide minerals that solidify when vent water hits the icy cold of the deep sea h... | <urn:uuid:51748c22-01b5-40ce-a9d0-0a9811fd8a59> | 3.625 | 875 | News Article | Science & Tech. | 48.682728 | 1,301 |
Well, the Tri-State weather may take an unusual turn again in the seasons ahead. The latest from the National Oceanic Atmospheric Administration indicates we could be set for an El Nino Winter.
An El Nino may form in the Pacific Ocean within six months, perhaps altering the number of Atlantic hurricanes while bringing ... | <urn:uuid:7226b947-88e8-4667-9ec4-544a539c3e28> | 3.328125 | 349 | News (Org.) | Science & Tech. | 44.858151 | 1,302 |
This is a drawing of the Galileo probe exploring the environment of Jupiter.
Click on image for full size
Image from: The Jet Propulsion Laboratory
Can there be Life in the Environment of Titan?
Titan's atmosphere is a lot like the Earth's, except that it is very cold, from -330 degrees to -290 degrees! Like the Earth,... | <urn:uuid:47cea5e8-6159-45d7-aa63-7cabcf2b7030> | 3.375 | 722 | Knowledge Article | Science & Tech. | 61.393187 | 1,303 |
February 20, 2013
People who live by large, inland bodies of water have a phrase in their lexicon that describes the blizzards that hit them throughout the winter: “lake-effect snow.” When wintry winds blow over wide swaths of warmer lake water, they thirstily suck up water vapor that later freezes and drops as snow do... | <urn:uuid:fc1ef12e-f46d-4b48-8245-a6ec339636a6> | 3.453125 | 1,016 | News Article | Science & Tech. | 46.521252 | 1,304 |
Sequential compression and decompression is done using the classes
BZ2Compressor and BZ2Decompressor.
Create a new compressor object. This object may be used to compress
data sequentially. If you want to compress data in one shot, use the
compress() function instead. The compresslevel parameter,
if given, must be a num... | <urn:uuid:d7610c1a-d921-4d75-9cab-62610b94415e> | 2.859375 | 281 | Documentation | Software Dev. | 50.375341 | 1,305 |
Editor's note: Colin Stuart is an astronomy and science writer, who also works as a Freelance Astronomer for the Royal Observatory Greenwich in London. His first book is due to be published by Carlton Books in September 2013. Follow @skyponderer on Twitter.
London (CNN) -- Reports coming from Russia suggest that hundre... | <urn:uuid:0c9e9eed-c93a-4331-8fc6-375d8c613978> | 3.3125 | 840 | Truncated | Science & Tech. | 54.1125 | 1,306 |
The Technical Details: Determining Delta Values
When we talk about the isotopic ratio in a sample, we talk about the delta value. Let's look at how a delta value is actually calculated:
- The first step in figuring out the δ13C for a sample is to find the ratio of 13C to 12C within the sample.
Next compare (by dividing... | <urn:uuid:70641808-af24-4ed4-9507-38f917936cfa> | 4.28125 | 1,181 | Documentation | Science & Tech. | 54.24152 | 1,307 |
Did Hurricane Wilma have 209 mph sustained winds?
At last week's 30th Conference on Hurricanes and Tropical Meteorology of the American Meteorological Society, Dr. Eric Uhlhorn of NOAA's Hurricane Research Division presented a poster that looked at the relationship between surface winds measured by the SFMR instrument ... | <urn:uuid:75e1a01b-18fc-4daf-9e77-e843d26d94e3> | 3.03125 | 1,554 | Personal Blog | Science & Tech. | 54.932505 | 1,308 |
October 4, 2005: Intricate wisps of glowing gas float amid a myriad of stars in this image of the supernova remnant, N132D. The ejected material shows that roughly 3,000 years have passed since the supernova blast. As this titanic explosion took place in the Large Magellanic Cloud, a nearby neighbor galaxy some 160,000... | <urn:uuid:eb362c51-222d-4ae3-8b43-9b171d658de2> | 4.25 | 542 | Knowledge Article | Science & Tech. | 46.355431 | 1,309 |
(Submitted August 15, 1998)
I'm a middle school geography teacher with no formal expertise in,
but a lifelong fascination with, astronomy and space in general.
I seem to remember from a long ago college astronomy course
a discussion of Oblers' Paradox that explains
why we don't have perpetual daylight despite the billi... | <urn:uuid:50288173-7962-4a33-bd98-92118d6da69e> | 3.578125 | 297 | Q&A Forum | Science & Tech. | 46.477452 | 1,310 |
not like the gas carbon dioxide for which only 'crazies' consider a pollutant.
I suppose it could be said astronauts pollute their environment. They do not need to use the larger biosphere("to clean the air") which should tell you how easy it is. In addition to ground transport, air transport is a consideration. (We ca... | <urn:uuid:b0c003c3-8094-4242-b055-387bd1f23831> | 2.84375 | 1,511 | Comment Section | Science & Tech. | 26.738492 | 1,311 |
Date: Dec 20, 2012 7:43 AM Author: Brigham Andrew White Subject: Help with inequality Can someone help me with the steps involved to solve the following inequality?:
2/(x-1) >= -1
The method I attempted was to solve it the same as though it were an equation but it doesn't seem to give the correct answer. Thanks. | <urn:uuid:189af6d0-b3f5-419b-858a-0be82173744f> | 2.546875 | 74 | Q&A Forum | Science & Tech. | 69.293672 | 1,312 |
Body Surface Area Calculator
Library Home || Full Table of Contents || Suggest a Link || Library Help
|Calculate the surface area of your body (in square meters) from height and mass.|
|Levels:||Middle School (6-8), High School (9-12)|
|Resource Types:||Web Interactive/Java|
|Math Topics:||Terms/Units of Measure, Human... | <urn:uuid:0e2cb730-b30b-4987-a912-1611a2a808b3> | 2.625 | 123 | Content Listing | Science & Tech. | 36.006149 | 1,313 |
Geoengineering schemes need ranking system to avoid wasting money, destroying the planet
October 26, 2008
With so-called geoengineering proposals proliferating as concerns over climate change mount, Philip Boyd of New Zealand's NIWA warns that "no geo-engineering proposal has been tested or even subjected to preliminar... | <urn:uuid:2dfeeb51-c307-4fcd-b8ef-69d4949b7409> | 2.65625 | 829 | Content Listing | Science & Tech. | 19.33357 | 1,314 |
Finding affordable ways to make technology available to everyone is a common challenge. Now, a researcher at NASA's Goddard Space Flight Center, Greenbelt, Md. has done that with the process that creates "nanotubes."
A nanotube is a tiny, hollow, long, thin and strong tube with an outside diameter of a nanometer that i... | <urn:uuid:63aef173-4132-4a14-9974-19aea95afd40> | 4.28125 | 617 | News Article | Science & Tech. | 26.52749 | 1,315 |
Aliens under the rainbow
The geometry that gives rise to rainbows may help scientists to find out whether other planets contain water, which is necessary to sustain life. Rainbows are formed because light rays are bent, or refracted, and scattered as they enter droplets of liquid that hang in the atmosphere. The refrac... | <urn:uuid:6817f16d-d0d9-436b-a805-995fb3a45f64> | 3.703125 | 200 | News Article | Science & Tech. | 41.584295 | 1,316 |
The computer (or more accurately the compiler) doesn't really care at all what number base you use in your source code. Most commonly used programming languages support bases 8 (octal), 10 (decimal) and 16 (hexadecimal) directly. Some also sport direct support for base 2 (binary) numbers. Specialized languages may supp... | <urn:uuid:0e08e071-3740-495f-909d-38d7f5336f7d> | 3.859375 | 807 | Q&A Forum | Software Dev. | 58.284539 | 1,317 |
Prog. Theor. Phys. Vol. 82 No. 3 (1989) pp. 555-562
Source Abundance of Cosmic Rays
Randall Laboratory of Physics, University of Michigan, Ann Arbor
Research Institute for Fundamental Physics, Kyoto University, Kyoto 606
(Received March 4, 1989)
The source abundance of primary cosmic rays is computed and compared with ... | <urn:uuid:5ca78bc2-6b81-44ef-9a40-96e157cda963> | 2.625 | 724 | Academic Writing | Science & Tech. | 91.627852 | 1,318 |
Active regions on the solar surface are generally thought to originate from a strong toroidal magnetic field generated by a deep seated solar dynamo mechanism operating at the base of the solar convection zone. Thus the magnetic fields need to traverse the entire convection zone before they reach the photosphere to for... | <urn:uuid:02ff8782-f914-4296-8743-e76730e0d47e> | 3.078125 | 1,195 | Content Listing | Science & Tech. | 9.923298 | 1,319 |
Source: Climate Change Reconsidered
Bali, R., Agarwal, K.K., Ali, S.N. and Srivastava, P. 2011. Is the recessional pattern of Himalayan glaciers suggestive of anthropogenically induced global warming? Arabian Journal of Geosciences 4: 1087-1093.
Bali et al. (2011) introduce their review of what is known about Himalayan... | <urn:uuid:7bf40d0b-507e-4788-a92e-2f3a60370fd6> | 2.671875 | 322 | Truncated | Science & Tech. | 48.174328 | 1,320 |
Milky Way's Birkeland Current Falsifies "Black Hole" Assumption
Anatomy of the Milky Way core
At present, we find ourselves in the unsatisfying position
of having remarkable new observational insight into the
nature of the galactic center but lacking a sturdy
interpretive framework. - Robert L.
Brown and Harvey S. List... | <urn:uuid:4857f76d-4562-4a42-8b6b-c4bebd17c240> | 2.953125 | 2,507 | Comment Section | Science & Tech. | 30.433822 | 1,321 |
Twisted Web is:
- an HTTP server, that can be used as a library or run as a stand-alone server
- an HTML templating engine
- an HTTP client library
Twisted Web supports numerous standards; for example, it can serve as a WSGI and CGI container, or an XMLRPC server. It can also serve static content. Twisted Web provides ... | <urn:uuid:2bc465ee-0a3e-40dd-93ee-3b2f8769c664> | 2.703125 | 585 | Knowledge Article | Software Dev. | 55.908814 | 1,322 |
Greenland ice a benchmark for warming
Core data Greenland was about eight degrees warmer 130,000 years ago than it is today, an analysis of an almost three-kilometre-long ice core in Greenland has revealed.
The finding by an international team of 38 institutions from 14 nations provides an important benchmark for clima... | <urn:uuid:96cf8d51-9a89-4975-ae4f-fecfebf943e1> | 3.84375 | 860 | News Article | Science & Tech. | 43.843977 | 1,323 |
Science Fair Project Encyclopedia
A ballistic missile is a missile, usually with no wings or fins, with a prescribed course that cannot be altered after the missile has burned its fuel, whereafter its course is governed by the laws of ballistics. In order to cover large distances ballistic missiles must be launched ver... | <urn:uuid:730f7132-a857-46c4-90e7-d4a007bfd253> | 3.921875 | 649 | Knowledge Article | Science & Tech. | 34.549926 | 1,324 |
The scientists, who are affiliated with the University of Washington (Seattle, WA), Case Western Reserve University (Cleveland, OH), the University of Bari (Bari, Italy), Washington University (St. Louis, MO), Washington State University (Pullman, WA), and Duke University (Durham, NC), report their findings online toda... | <urn:uuid:0aa51ce3-034b-4199-a6a7-f9eea7102942> | 3.1875 | 288 | News Article | Science & Tech. | -1.969545 | 1,325 |
Phase diagram of ESA complexes at 100 mM NaCl salt concentration as a function of pentanol and dodecane content relative to the surfactant weight [wt %].
The natural phenomenon of self-assembly — how molecules or other entities gather to become ordered objects or arrays — occurs in many areas of science, from nanomater... | <urn:uuid:15319dc3-c0a6-4dff-986f-1b4974afcbd0> | 3.421875 | 1,046 | News (Org.) | Science & Tech. | 25.509133 | 1,326 |
A magnetic field is a vector field responsible for generating forces on electrically charged objects and magnets. Magnetic fields are generated by magnetic dipoles, moving electric charges, or changing electric fields.
Magnetic fields are linked to electric fields; light, for instance, is a propagating electric and mag... | <urn:uuid:fa2edbfe-2074-40c6-8dc6-b8a83277e6ab> | 3.671875 | 360 | Knowledge Article | Science & Tech. | 56.71065 | 1,327 |
Wildfires across Russia. Devastating floods in Pakistan. Deadly landslides and flash floods in India and China. Heat wave across the United States. Severe drought in Niger. Taken together, scientists warn the events match predictions for extreme climate events caused by global warming. This year is on track to be the w... | <urn:uuid:66a995ef-7394-499e-9fa0-6a1702d670df> | 2.953125 | 3,057 | Audio Transcript | Science & Tech. | 60.110169 | 1,328 |
The Encyclopedia of Earth is dedicated to expanding and enhancing opportunities for education on environmental topics. Please take a moment to explore the many resources below, and provide feedback on using online resources for education.
Initiatives of the Environmental Information Coalition
- EoE in the Classroom
See... | <urn:uuid:d2f4e387-4027-4a17-8fa3-de16b96eb208> | 3.671875 | 317 | Content Listing | Science & Tech. | -10.84478 | 1,329 |
Return to the Mammalia Index
Weasel (Short Tailed) or (Ermine)
The short-tailed weasel, also called an ermine or stoat, is found all over Canada, the northern United States, Europe, and Asia.
They live in similar habitats to the long-tailed weasel including the taigas and tundra of Siberia.
They are very similar in all... | <urn:uuid:7f539f81-34d1-4408-a126-c8c8ff2ec717> | 3.78125 | 683 | Knowledge Article | Science & Tech. | 53.618257 | 1,330 |
C6n SEA practice and biodiversity
Jo Treweek, SES, UK
Helen Byron, Imperial College London, UK
Dave le Maitre, CSIR Environmentek, South Africa
Key issues to be addressed
Biodiversity supports many livelihoods and provides essential goods and services to millions of people. However, its values are often under-emphasise... | <urn:uuid:ac76738c-2f98-4049-a90e-40a3cdf096b1> | 3.125 | 375 | News (Org.) | Science & Tech. | -6.577714 | 1,331 |
Forests losing the ability to absorb man-made carbon
The sprawling forests of the northern hemisphere which extend from China and Siberia to Canada and Alaska are in danger of becoming a gigantic source of carbon dioxide rather than being a major "sink" that helps to offset man-made emissions of the greenhouse gas.
Stu... | <urn:uuid:12b97da4-0dc3-412d-bf88-6b446af586a6> | 3.34375 | 1,086 | Truncated | Science & Tech. | 44.760553 | 1,332 |
Researchers at Notre Dame have developed a paste of semiconducting nanoparticles called solar paint (or "Sunbelievable") that could lead to easier-to-produce solar cells.
First, they mix t-butanol, water, cadmium sulfide and titanium dioxide for 30 minutes. Next, they mask off a clear electrode with office tape. Once t... | <urn:uuid:b0739254-86c0-4b94-ad92-303e3a01e3ba> | 3.765625 | 203 | News Article | Science & Tech. | 44.554685 | 1,333 |
Walking, but not running, with the real 'Hobbits'
By Stephanie Guzik, (Volunteer Science Writer)
Scientists are a big step closer to understanding the evolution of walking in humans. Bipedalism—or walking upright on two feet—has long been considered one of the hallmarks of human evolution, signaling the transition from... | <urn:uuid:e11e4b27-19de-4690-8d46-e472f7d711c1> | 3.75 | 1,088 | News Article | Science & Tech. | 20.153315 | 1,334 |
Fig 19-17. Section through a young leaf of F. chiloensis. A) stomata, B) air space, C) thick cuticle of upper leaf surface, D) upper epidermal cell, E) palisade cell, F) mesophyll cell. The interior cell surface exposed to air space is from 2.2 to 4.4 times greater than the exposed outer surface; in F. chiloensis it is... | <urn:uuid:991a7d05-5364-4b8c-8798-05739ff3adbc> | 3 | 138 | Knowledge Article | Science & Tech. | 74.59725 | 1,335 |
Color and Vision
Visit The Physics Classroom's Flickr Galleries and enjoy a photo overview of the topic of light and color.Color Television
Explore how a television uses R, G, and B pixels to produce ... millions of colors.PhET Simulation: Color Vision
Mix R, G and B light with varying intensities using this Java apple... | <urn:uuid:5801114e-0305-4468-91c9-85706beda87e> | 3.96875 | 1,365 | Tutorial | Science & Tech. | 50.931962 | 1,336 |
World heading for warmest year yet - UK Met Office
"Globally 2002 is likely to be warmer than 2001, and may even break the record set in 1998," said Briony Horton, the Meteorological Office's climate research scientist.
The Intergovernmental Panel on Climate Change, the body that advises governments on long-term climat... | <urn:uuid:6f80aa08-1ce8-4f08-bf96-8acfcad0ad0c> | 3.546875 | 393 | News Article | Science & Tech. | 60.287861 | 1,337 |
Eutrophication is the biological response of water to overenrichment by plant nutrients, particularly nitrogen and phosphorus. Public concern began to rise in the 1960s (although the term "eutrophication" is older), when nutrient enrichment was rapidly making many bodies of water increasingly fertile. This eutrophicati... | <urn:uuid:459653bf-4a69-4a13-a131-f6816c893a85> | 3.671875 | 1,369 | Knowledge Article | Science & Tech. | 26.41734 | 1,338 |
This section illustrates you how to read and write from/to a serialized file through the hash table in Java. This section provides an example with the complete code of the program. Following program has the facility if the specified serialized file does not exist the the program creates the serialized file otherwise. T... | <urn:uuid:8bf2a0d8-e6d7-4ad2-951d-82b0850b5ff7> | 3.203125 | 211 | Documentation | Software Dev. | 41.85219 | 1,339 |
RICHLAND, Wash. -- Soot from pollution causes winter snowpacks to warm, shrink and warm some more. This continuous cycle sends snowmelt streaming down mountains as much as a month early, a new study finds. How pollution affects a mountain range's natural water reservoirs is important for water resource managers in the ... | <urn:uuid:8807b2f0-5a67-4317-b23b-2484c6f603ab> | 3.875 | 1,070 | News Article | Science & Tech. | 48.042244 | 1,340 |
Mar. 18, 2003 The idea that even small asteroids can create hazardous tsunamis may at last be pretty well washed up.
Small asteroids do not make great ocean waves that will devastate coastal areas for miles inland, according to both a recently released 1968 U.S. Naval Research report on explosion-generated tsunamis and... | <urn:uuid:9a196416-72dd-4fce-848f-d2f2e22fc121> | 3.53125 | 1,244 | News Article | Science & Tech. | 41.243849 | 1,341 |
Understanding the Black Hole in the Heart of Our Galaxy
Wednesday, March 01, 2006
Almost 100 years ago, Albert Einstein wondered about the most captivating prediction of general relativity — that isolated pockets of space-time exist in the universe.
Now, Prof. Fulvio Melia, one of the world’s leading astrophysicists, p... | <urn:uuid:9a71ac3f-64e1-4834-9404-3c58fe4d37c4> | 2.703125 | 412 | News (Org.) | Science & Tech. | 50.253796 | 1,342 |
global - Define global variable
Ordinarily, each Scilab function, has its own local variables and can "read" all variables created in the base workspace or by the calling functions. The global keyword allow to make variables read/write across functions. Any assignment to that variable, in any function, is available to ... | <urn:uuid:a188654e-4c2d-433f-bd66-5251cc50bb99> | 2.734375 | 243 | Documentation | Software Dev. | 38.765388 | 1,343 |
The fputcsv() function formats a line as CSV and writes it to an open file.
This function returns the length of the written string, or FALSE on failure.
|file||Required. Specifies the open file to write to|
|fields||Required. Specifies which array to get the data from|
|separator||Optional. A character that specifies t... | <urn:uuid:5d43d039-7c25-4be0-b2cf-9d5c06f7d319> | 3.34375 | 149 | Documentation | Software Dev. | 55.31249 | 1,344 |
- What is a Cetacean?
- Common Species
- Rare Species
- Other Species
Key FactsLength: Up to 3.8 metres
Range: Widely distributed in all major oceans, absent in polar regions
Threats: Marine litter, pollution, acoustic disturbance
Diet: Manly squid, some octopus and cuttlefish
Latin: Grampus griseus
The Risso's dolphin... | <urn:uuid:e4f04983-806c-4797-b4d7-884e285ff216> | 3.734375 | 729 | Knowledge Article | Science & Tech. | 44.97615 | 1,345 |
Changing Planet: Fading Corals
The delicate balance of life and environment which sustains coral reefs globally is under threat. The dramatic increase in atmospheric CO2 in the past few decades has produced an increase in ocean temperature and acidity. Coral diseases have also been on the increase, due to changes in th... | <urn:uuid:e6b09bbb-6c74-4ab8-96fd-04edf5ee6680> | 3.65625 | 516 | Tutorial | Science & Tech. | 56.299395 | 1,346 |
(rebroadcast of live show)
Target: Grades 3-5
Length: 60 minutes
Guide: Online, see Internet site
Internet: http://scifiles.larc.nasa.gov ⇒
Floating tennis shoes and oil globs wash up on the beach to set the tree house detectives in motion to investigate a unique world under the sea. Join them as they dive into learnin... | <urn:uuid:787072b5-3502-4831-964e-0e0de0d635d8> | 2.6875 | 140 | Truncated | Science & Tech. | 54.898182 | 1,347 |
A ring of radiation previously unknown to science fleetingly surrounded Earth last year before being virtually annihilated by a powerful interplanetary shock wave, scientists say.
NASA's twin Van Allen space probes, which are studying the Earth's radiation belts, made the cosmic find. The surprising discovery — a new, ... | <urn:uuid:9c72cc2e-a017-4988-969f-d6534daff827> | 4.03125 | 769 | News Article | Science & Tech. | 38.787331 | 1,348 |
A large part of the Division for Planetary Science conference's second day (back on October 11th) was devoted to studies of the largest satellite of Saturn, Titan. For this report, I am going to focus on the studies of the features that have been interpreted as hydrocarbon lakes. They were originally discovered through... | <urn:uuid:d0f51a14-ab37-4940-b681-946d39d502fe> | 3.546875 | 1,300 | Personal Blog | Science & Tech. | 28.302532 | 1,349 |
DR EMILY BALDWIN
Posted: November 09, 2009
By looking far back into the depths of the Universe, astronomers have found a galaxy located at just 787 million years after the big bang, and 22 other early galaxies.
The big bang blasted the Universe into existence 13.7 billion years ago, and 400,000 years later, temperature... | <urn:uuid:58d5da0b-0dab-4cf6-ab86-25008d97912f> | 3.1875 | 856 | News Article | Science & Tech. | 43.810254 | 1,350 |
Using a simple algorithm, Belokurov et. al discovered this almost perfect Einstein-ring around a luminous red galaxy in the SDSS database:
They called it the Cosmic Horseshoe. The ring has a diameter of 10 arcseconds, which counts as large. The lensing galaxy has a mass of about 5 x 1012 solar mass - about ten times th... | <urn:uuid:4812e8bb-6c3e-4b20-9dea-fdf47f61876d> | 2.890625 | 187 | Personal Blog | Science & Tech. | 61.626848 | 1,351 |
In The Netherlands, Belgium, Germany and Spain Astronet, Kennislink, Astroforum, Sterrenkids, Dutch Copernicus Public Observatory, Belgian Mira Public Observatory, Spanish Serviastro, Associación Argentina "Amigos de la Astronomía" in Argentina and Hochschule Offenburg in Germany organized live webcasts of the event. M... | <urn:uuid:55c466a9-b479-4127-a96b-cbe361950314> | 2.546875 | 1,746 | Knowledge Article | Science & Tech. | 61.626288 | 1,352 |
Buried in Albert Einstein’s mail one spring day in 1953 lay a letter from an ordinary mortal, a 20-year-old high school dropout named John Moffat. Two more disparate correspondents would be hard to imagine. Moffat was an impoverished artist and self-taught physicist. Einstein was a mythic figure—the world’s most famous... | <urn:uuid:85029add-616a-4ad7-b03c-89f243f87996> | 2.609375 | 1,315 | Nonfiction Writing | Science & Tech. | 49.164923 | 1,353 |
Use the following tips and techniques when you design a UML 2.0 Activity Diagram. Usually you create Activity Diagrams after State Machine Diagrams.
To design a UML 2.0 Activity Diagram, follow this general procedure:
- Create one or more activities. You can place several activities on a single diagram, or create a sep... | <urn:uuid:fbb7db04-6d16-42b2-a184-8155e07ac796> | 3.328125 | 472 | Tutorial | Software Dev. | 41.476515 | 1,354 |
When two declarations in the same scope describe the same object or function, the two declarations must specify compatible types. These two types are then combined into a single composite type that is compatible with the first two. More about composite types later.
The compatible types are defined recursively. At the b... | <urn:uuid:9c2223f5-6614-4c73-9814-2eafabe7e1d3> | 3.09375 | 144 | Documentation | Software Dev. | 28.725081 | 1,355 |
Source code: Lib/bdb.py
The bdb module handles basic debugger functions, like setting breakpoints or managing execution via the debugger.
The following exception is defined:
The bdb module also defines two classes:
This class implements temporary breakpoints, ignore counts, disabling and (re-)enabling, and conditionals... | <urn:uuid:1a41f7b6-1940-4386-ab5b-dc92e6419769> | 2.875 | 1,701 | Documentation | Software Dev. | 52.352028 | 1,356 |
Expression statements are used (mostly interactively) to compute and
write a value, or (usually) to call a procedure (a function that
returns no meaningful result; in Python, procedures return the value
None). Other uses of expression statements are allowed and
occasionally useful. The syntax for an expression statemen... | <urn:uuid:a966e3c7-a27a-4567-bbdc-1763d4e67c8a> | 3.265625 | 168 | Documentation | Software Dev. | 39.1603 | 1,357 |
The Wilson's phalarope is a shorebird that breeds in the Northern Prairie Pothole Region of North America. It is a migratory species that migrates down to South America for the winter. In breeding they are found in clear shallow wetlands. It is the female phalarope which is larger and more brightly colored. She is the ... | <urn:uuid:78bf768b-153b-4488-a158-7ece93499a1c> | 3.015625 | 168 | Personal Blog | Science & Tech. | 57.733333 | 1,358 |
Object pool pattern
||This article has an unclear citation style. (March 2012)|
The object pool pattern is a software creational design pattern that uses a set of initialized objects kept ready to use, rather than allocating and destroying them on demand. A client of the pool will request an object from the pool and pe... | <urn:uuid:7c22c959-2307-44d3-912d-911561f6c208> | 3.15625 | 1,216 | Knowledge Article | Software Dev. | 45.853679 | 1,359 |
Nov 8, 2011
Project CLAMER finds 'disturbing' evidence of changes to Europe's seas
Project CLAMER, an 18-month initiative involving 17 European marine institutes, has amassed some 'convincing' and 'disturbing' evidence of changes in the European marine environment, according to its organisers.
The project, which has no... | <urn:uuid:a3fadfeb-3bb5-472b-a5c8-7b6ec2d6d2a4> | 2.921875 | 584 | News Article | Science & Tech. | 21.211134 | 1,360 |
Depth range (m): 0 - 4.8
Depth range (m): 0 - 4.8
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
Molecular Biology and Genetics
Statistics of barcoding coverage: Elminius modestus
Public Records: 0
Specimens with Barcodes: 3
Species With Barcodes: 1
Elminius modestus is... | <urn:uuid:4bc996f4-e495-46dc-9472-2043a541ac2e> | 2.84375 | 1,045 | Knowledge Article | Science & Tech. | 62.541838 | 1,361 |
No-take areas, herbivory and coral reef resilience
Hughes, Terry P., Bellwood, David R., Folke, Carl S., McCook, Laurence J., and Pandolfi, John M. (2007) No-take areas, herbivory and coral reef resilience. Trends in Ecology & Evolution, 22 (1). pp. 1-3.
|PDF (Published Version) - Repository staff only - Requires a PDF... | <urn:uuid:5927ee9d-bca9-4f23-9aa8-731678dca126> | 2.75 | 415 | Academic Writing | Science & Tech. | 51.785245 | 1,362 |
Even when viewing the subject in the most objective way possible, it is clear that software, as a product, generally suffers from low quality.
Take for example a house built from scratch. Usually, the house will function as it is supposed to. It will stand for many years to come, the roof will support heavy weather con... | <urn:uuid:51739559-6a50-494b-95c1-877e1adebfd3> | 2.59375 | 357 | Q&A Forum | Software Dev. | 45.078243 | 1,363 |
One of blog writer in "Chemistry Blog" namely Azmanam in his recent blog article entitled "How to Succeed in Organic Chemistry", has listed out some interesting points and called them as 6 truths of Organic chemistry, which every organic chemistry student must remember, are as follows.
1) Approach unknown reactions jus... | <urn:uuid:ad411600-c53e-4437-99fc-fdbc45a35bf0> | 2.84375 | 372 | Listicle | Science & Tech. | 8.044607 | 1,364 |
The use of Newton's second law for rotation involves the assumption that the axis about which the rotation is taking place is a principal axis. Since most common rotational problems involve the rotation of an object about a symmetry axis, the use of this equation is usually straightforward, because axes of symmetry are... | <urn:uuid:c09810ae-0f5d-4a9c-9435-dbc05b338343> | 4.15625 | 210 | Knowledge Article | Science & Tech. | 27.272703 | 1,365 |
Manual Section... (3) - page: asn1_read_value
NAMEasn1_read_value - Returns the value of one element inside a structure
- ASN1_TYPE root
- pointer to a structure.
- const char * name
- the name of the element inside a structure that you want to read.
- void * ivalue
- vector that will contain the element's content, mus... | <urn:uuid:d98c9343-35d4-4bf8-b519-c693b1c78e3d> | 2.75 | 758 | Documentation | Software Dev. | 50.8035 | 1,366 |
Date: Jan 27, 2013 7:06 PM
Author: Jerry P. Becker
Subject: SAYINGS XLII
Taken from many sources ... some of them identified.
"Hope is a good thing, maybe the best thing. And a good thing never dies."
(Andy Dufrene, from Shaw Shank Redemption/movie)
"If a child can't learn the way we teach, then maybe we should teach
t... | <urn:uuid:ddb7f18d-54de-4e1d-aeb8-435d55053d6f> | 2.6875 | 1,767 | Comment Section | Science & Tech. | 60.217948 | 1,367 |
|Official NOAA climate monitoring station with warm|
air conditioning exhaust blowing on temperature sensor.
Courtesy: Dr. Roger Pielke, Sr.
Also in the news the last two days is that the IPCC (the folks that won the Nobel Prize) have been wrong about increasing malaria due to global warming.
A recent example is the ca... | <urn:uuid:61e1ae79-2715-4427-865f-dcd7043d2300> | 2.875 | 397 | Personal Blog | Science & Tech. | 37.299743 | 1,368 |
Earth Absorbs More of Our CO2 Emissions: Science
Even as Man's output of Earth-warming CO2 has risen, so has the capacity of plants and the oceans to absorb it, scientists said Wednesday, but warned this may not last forever.
Carbon storage by land and sea, known as carbon sinks, has more than doubled in the past 50 ye... | <urn:uuid:29fec4fb-5ca1-4bb0-8491-422c0542d37e> | 3.546875 | 523 | News Article | Science & Tech. | 40.725412 | 1,369 |
Three set of test procedures are used: the first only inserts n random integers into the tree / hash table. The second test first inserts n random integers, then performs n lookups for those integers and finally erases all n integers. The last test only performs n lookups on a tree pre-filled with n integers. All looku... | <urn:uuid:ab19f71f-12f8-44ea-a83f-9fb3639e2e28> | 2.890625 | 844 | Documentation | Software Dev. | 67.187473 | 1,370 |
Animal fossils are usually the remains of hard structures – bones and shells that have been petrified through enormous pressures acting over millions of years. But not all of them had such hard beginnings. Some Chinese fossils were once the embryos of animals that lived in the early Cambrian period, some 550 million ye... | <urn:uuid:0ddbe824-57dd-4013-b303-9b4e35c11948> | 4.375 | 906 | News Article | Science & Tech. | 52.073942 | 1,371 |
(PhysOrg.com) -- Were dinosaurs slow and lumbering, or quick and agile? It depends largely on whether they were cold or warm blooded. When dinosaurs were first discovered in the mid-19th century, paleontologists thought they were plodding beasts that had to rely on their environments to keep warm, like modern-day repti... | <urn:uuid:fcf1e659-7fc8-4497-9012-fd14fad8fc56> | 4.0625 | 1,413 | News Article | Science & Tech. | 32.208934 | 1,372 |
Research by USDA Forest Service Southern Research Station biometrician Bernie Parresol takes center stage in a special issue of the journal Forest Ecology and Management due out in June. Parresol is lead author of two of the five articlesand co-author of two morein an issue that focuses on methods that incorporate fine... | <urn:uuid:feb756b2-1c7c-4301-b1f3-203ad6399b54> | 2.984375 | 618 | News Article | Science & Tech. | 18.246394 | 1,373 |
But electrons in two dimensions can also behave as classical particles that interact only through the mutual repulsion of their negative charges. This occurs when they are spread much farther apart and has been difficult to achieve in the lab, so researchers are still seeing new phenomena. David Rees of RIKEN, a Japane... | <urn:uuid:8056347b-afb8-4458-a201-2e8f6403ea78> | 3.25 | 245 | Personal Blog | Science & Tech. | 43.095385 | 1,374 |
The Earth has one Moon, but it’s not the only rocky thing orbiting us…..Posted: December 21, 2011
I spend far too much time at pub quizzes. Perhaps it’s because I’m an irritating know-it-all or I just like a vaguely intellectual pretense for going to the pub. One of the more geeky parts of it is correcting the quiz-mas... | <urn:uuid:e129c807-068b-4949-a081-bfc5b3ed05f5> | 3.265625 | 833 | Personal Blog | Science & Tech. | 55.906262 | 1,375 |
Nanotech raises 'toxic sock' alert
The smell from your socks might not be the only toxic thing around, a US chemistry conference has heard.
Silver nanoparticles, used for years to kill bacteria and eliminate odours in socks, food containers, medical dressings and even teddy bears, might be a threat to the environment, ... | <urn:uuid:5dbcd1ed-e118-4528-a9e7-a2e0419896d3> | 3.015625 | 570 | News Article | Science & Tech. | 40.390943 | 1,376 |
Welcome to Plant2pollinator
Plant2pollinator is a practical science resource for understanding pollinator partnerships and building biodiversity stewardship for students from stages 1 to 4.
Based on the premise that the types of flowering plants in your garden can indicate a diversity of insect visitors, Plant2pollinat... | <urn:uuid:f3e2e50d-ff47-4785-a1be-be31dad05fb5> | 3.15625 | 725 | About (Org.) | Science & Tech. | 23.340417 | 1,377 |
| NEWS RELEASE: for immediate
release Friday, January 3, 2003.
Bush administration denies legal protection of flat-tailed horned lizard
WASHINGTON DC -- Today, the Bush administration denied endangered species act protection for the imperiled flat-tailed horned lizard (Phrynosoma mcallii), an attractive Sonoran desert ... | <urn:uuid:3f744d79-9145-4320-b5fd-3dd1cd378fb4> | 2.890625 | 477 | News (Org.) | Science & Tech. | 35.23243 | 1,378 |
An important concept that comes from sequences is that of series and summation. Series and summation describes the addition of terms of a sequence. There are different types of series, including arithmetic and geometric series. Series and summation follows its own set of notation that is important to memorize in order ... | <urn:uuid:812b542f-d4de-4cf3-9bff-52518cbabffb> | 4.40625 | 402 | Tutorial | Science & Tech. | 86.384637 | 1,379 |
The rare prolonged snowstorms and low temperatures that have caused havoc in many parts of China are mainly related to La Nina and abnormal atmospheric circulation, Chinese meteorologists said.
The unbalanced precipitation in China this winter greatly resembles the aftermath of La Nina event in history, which indicates... | <urn:uuid:bc93c7cd-4c43-4226-b456-f02f74ff4edd> | 2.9375 | 166 | News Article | Science & Tech. | 16.456651 | 1,380 |
Surveyor soars toward red planet
Satellite to map Martian surface
November 7, 1996
Web posted at: 1:30 p.m. EST
CAPE CANAVERAL, Florida (CNN) -- NASA launched a 10-month,
unmanned mission to Mars Thursday, the first step in a
multi-spacecraft bid to determine if there is -- or ever was
-- life on the fourth rock from t... | <urn:uuid:88e90af8-1d5c-43bb-99f9-5e5d90cac14b> | 3.0625 | 757 | Truncated | Science & Tech. | 57.151778 | 1,381 |
My Saved Article
|Atomic Number:||33||Atomic Symbol:||As|
|Atomic Weight:||74.9216||Electron Configuration:||2-8-18-5|
|Melting Point:||817 @ 28 atm.oC||Boiling Point:||sublimes @ 613oC|
|Uses:||LEDs, deadly poison, semiconductors|
History(L. arsenicum, Gr. arsenikon, yellow orpiment, identified with
arenikos, male, fr... | <urn:uuid:a283feed-f052-4dc2-bd51-f6d4be44bf24> | 3.140625 | 442 | Knowledge Article | Science & Tech. | 29.915592 | 1,382 |
Technology Transfer Sponsored by
Most consumer attention to oysters and mussels has centered on their taste, beautiful by-products or aphrodisiac effects; however, their adhesive properties are what caught the attention of Jonathan Wilker, PhD, associate professor of chemistry, and his research team at Purdue Universit... | <urn:uuid:19ffe944-e7e9-4824-81bd-a8e9654374da> | 3.71875 | 506 | Knowledge Article | Science & Tech. | 25.190049 | 1,383 |
Physicists say they have found a Higgs boson
GENEVA – The search is all but over for a subatomic particle that is a crucial building block of the universe.
Physicists announced Thursday they believe they have discovered the subatomic particle predicted nearly a half-century ago, which will go a long way toward explaini... | <urn:uuid:3f708c17-600e-4e1e-b39c-4272e1e232cf> | 2.890625 | 192 | News Article | Science & Tech. | 28.140706 | 1,384 |
MethylationIn Chemistry, Methylation is the addition of a methyl group to a substrate.
In Epigenetics, Methylation can refer to the addition of a methyl group to a cytosine residue of DNA to convert it to 5-methylcytosine or the addition of a methyl group or groups to arginine or lysine amino acids in a protein.
Methyl... | <urn:uuid:035df6a6-30ef-4be3-8552-967176c6e35a> | 3.5 | 609 | Knowledge Article | Science & Tech. | 24.040336 | 1,385 |
"In cosmology, it turns out that 'a galaxy a long time ago' and 'far, far away' really do go together," says Associate Professor Roger Romani, who with graduate student David Sowards-Emmerd and Professor Peter Michelson of Stanford, and radio astronomer Lincoln Greenhill of the Harvard-Smithsonian Center for Astrophysi... | <urn:uuid:cc9baeee-ef99-4148-95d0-9701b37df9c7> | 3.34375 | 2,075 | News (Org.) | Science & Tech. | 52.192561 | 1,386 |
Dewar flask [for Sir James Dewar], container after which the common thermos bottle is patterned. It consists of two flasks, one placed inside the other, with a vacuum between. The vacuum prevents the conduction of heat from one flask to the other. For greater efficiency the flasks are silvered to reflect heat. The subs... | <urn:uuid:15865bbc-b557-4f4b-9456-d71459f377db> | 3.3125 | 139 | Knowledge Article | Science & Tech. | 53.444167 | 1,387 |
The push on green technology has recently resulted in a number of advancements in the field of solar energy. A lot of work is being done to make them more efficient, robust, less intensive, and more cost efficient. Researchers at the California Institute of Technology in Pasadena, have found a way to make flexible sola... | <urn:uuid:764642e9-b793-4e33-b827-31148682eca9> | 3.96875 | 213 | News Article | Science & Tech. | 35.238016 | 1,388 |
Stars aren't shy about sending out birth announcements. They fire off energetic jets of glowing gas traveling at supersonic speeds in opposite directions through space.
Although astronomers for decades have looked at still pictures of stellar jets, they now can watch movies of them, thanks to NASA's Hubble Space Telesc... | <urn:uuid:3ac86bb4-458b-4f4f-9f5e-e6207db1a8b0> | 3.359375 | 1,386 | Knowledge Article | Science & Tech. | 49.661609 | 1,389 |
For several years, global warming has been discussed in terms of its various influences on human society and a wide range of countermeasures have been actively promoted. Recently, the interest on impact evaluation has shifted from the entire global domain to particular countries or regional societies. Regional influenc... | <urn:uuid:f33bad08-2fc7-4847-869a-78b3eb501b08> | 3.4375 | 698 | Academic Writing | Science & Tech. | 17.7744 | 1,390 |
A British seismologist explains earthquakes.
The rumbling and shaking of earthquakes puzzled people for centuries, writes Musson, chief spokesman at the British Geological Survey. Aristotle blamed the noise on roaring winds forced through subterranean caverns. The people of Lisbon, Portugal, racked by a massive quake i... | <urn:uuid:6e1ec658-51d5-4ed3-b918-fe3523c1929f> | 4 | 370 | User Review | Science & Tech. | 20.195303 | 1,391 |
books > Calculus
This short introductory text focuses mainly on integration and differentiation of functions of a single variable, although iterated integrals are discussed. Infinitesimals are used when appropriate, and are treated more rigorously than in old books like Thompson's Calculus Made Easy, but in less detail... | <urn:uuid:5ba2cb02-3062-4561-96cd-4834d3a39746> | 3.03125 | 308 | Product Page | Science & Tech. | 35.738636 | 1,392 |
Granny Says Life Evolved Between the Mica Sheets
This Behind the Scenes article was provided to LiveScience in partnership with the National Science Foundation.
I have a passion for mica. This passion led me, in my 62nd year and almost a grandmother, to develop a hypothesis for the origins of life.
“Develop a hypothesi... | <urn:uuid:ac3decaf-315d-4cc0-95b8-4449a1fddc73> | 2.59375 | 1,092 | Nonfiction Writing | Science & Tech. | 42.383529 | 1,393 |
Couple is a system of forces whose magnitude of the resultant is zero and yet has a moment sum. Geometrically, couple is composed of two equal forces that are parallel to each other and acting in opposite direction. The magnitude of the couple is given by
Where are the two forces and is the moment arm, or the perpendic... | <urn:uuid:ff5ee6c4-71e3-4c99-9025-e5f95a169681> | 3.78125 | 169 | Knowledge Article | Science & Tech. | 41.345625 | 1,394 |
The latest news from academia, regulators
research labs and other things of interest
Posted: March 5, 2009
Titania nanotubes and sunlight turn carbon dioxide into methane
(Nanowerk News) Dual catalysts may be the key to efficiently turning carbon dioxide and water vapor into methane and other hydrocarbons using titania... | <urn:uuid:f5a6b603-f078-48e0-9bd0-69074855c973> | 2.921875 | 889 | News Article | Science & Tech. | 20.114802 | 1,395 |
Hurricane Philippe and tropical storm Rita formed in the North Atlantic on Sunday, making them the eighth hurricane and seventeenth tropical storm of the season. The US National Hurricane Center (NHC) expects Rita to become a full-fledged hurricane this week, amid fears that it could affect areas hard-hit by deadly Hur... | <urn:uuid:9014c37e-3560-4227-a303-34e756270f12> | 3 | 438 | Truncated | Science & Tech. | 41.756367 | 1,396 |
Northern Prairie Wildlife Research Center
The little-wing pearly mussel faces water quality degradation resulting from industrial and sewage effluents and the runoff of silt and other water pollutants from poorly designed construction, development, mining, agricultural, and forestry activities. Further, the spread of t... | <urn:uuid:e4b87b92-69b2-4ef6-8b44-c948713bf951> | 3.53125 | 424 | Knowledge Article | Science & Tech. | 7.547076 | 1,397 |
If you look closely, you can find fossilized material on the banks of the Norris Lake shoreline in Anderson County, Tennessee when the Tennessee Valley Authority (TVA) lowers the water level. If you are really lucky, you will find traces of sea creatures or beautiful flora or fauna impressions encased between the fresh... | <urn:uuid:bc7d35d1-e6b7-4f39-9bdc-9fba5dd660a3> | 2.515625 | 600 | About (Org.) | Science & Tech. | 35.676505 | 1,398 |
Assume 14 < n < 30. Make boxes labelled 16-n to 30-n. Let Si be the set of the first i elements. Let si be the sum of the elements of Si. If si is less than or equal to 30-n, put Si in the box labelled si. Otherwise, put it in the box labelled si-n. There are 15 boxes, and 16 subsets, so at least one box has two subset... | <urn:uuid:1294ddef-6dd8-4747-94c9-62093f81d332> | 3 | 189 | Q&A Forum | Science & Tech. | 89.103562 | 1,399 |