Mike reached a secondary peak of 95 mph winds on November 14, but land interaction with Vietnam again weakened it to a minimal typhoon. The forecast break in the subtropical ridge finally occurred on the 15th, causing a northwest motion. Vertical shear increased, weakening Mike to a tropical storm on the 16th. Early the next day, the storm passed over western Hainan Island, and degraded to a tropical depression that night. After a brief passage over the Gulf of Tonkin Mike hit southern China where it dissipated on November 18.
Template:Retired Philippine typhoon names
While crossing the western Caroline Islands, Mike proved to be quite destructive. Extensive damage occurred to the islands, but no deaths occurred and only one injury was reported.
The Philippines did not fare so well. The typhoon's heavy rainfall produced mudslides which, combined with the heavy wind damage, resulted in over $14 million in damage (1990 USD, $20.8 million 2005 USD). Over 748 people were reported killed, making Mike the most destructive typhoon for the Philippines since Typhoon Ike in 1984, which killed over 1,000 people. President Corazon Aquino declared a state of calamity in the Visayas.
Typhoon Mike's damage to the infrastructure of the city and province of Cebu forced its local leaders to rethink governmental priorities. A conscious effort to rebuild after the damage was promoted, resulting into the boom of the economy of Cebu, dubbed CEBOOM.
Due to the destruction in the Philippines, the name Mike was retired and was replaced by Manny. Its PAGASA name, Ruping, was also retired.
Control variable
A control variable is something in an experiment that is kept the same. Having control variables means that the experiment will be a fair test.
The Control Variable is often used with the independent and dependent variables.
Negative feedback
Negative feedback is a basic concept of cybernetics; it is the basis of regulation and control. It is important in engineering and physiology. In biology and physiology negative feedback is known as homeostasis.
Negative feedback occurs when the output of a system acts to oppose changes to the input of a system. This has the result that the changes are made less, and the system kept within limits. The classic example is a central heating system which cuts off when a (suitably placed) temperature sensor hits a pre-set mark. The negative feedback part is the thermostat.
Virtually all aspect of living systems involve homeostasis, and disease follows when any of these systems fail. Examples: blood pressure, glucose level, liver functions, cell division, and so on.
Homeostasis was defined by Claude Bernard and later by Walter Bradford Cannon in 1926, 1929 and 1932 is the property of a system, either open or closed, that regulates its internal environment and tends to maintain a stable, constant condition. The concept came from that of "milieu interieur" which was created by Claude Bernard and published in 1865.
If the overall feedback of the system is negative, then the system will tend to be stable.
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Vorarlberg
Vorarlberg (Vorarlbergian: "Vorarlbearg", "Voralbärg", or "Voraadelbearg") is the westernmost federal state in Austria. The capital is Bregenz. The biggest cities are Feldkirch and Dornbirn. As of 2016, there were about 384,000 people.
It is the only province in Austria that does not speak Austro-Bavarian. Instead they speak an Alemannic dialect. This makes it more in common with its Alemannic-speaking neighbors Switzerland, Liechtenstein and Swabia than with Bavaria and the rest of Austria.
The highest mountain is Piz Buin. The main rivers in Vorarlberg are the Ill, the Bregenzer Ach and the Dornbirner Ach.
78% of the population is Roman Catholic. The second most follow Islam which has a share of 8.4%.
Vorarlberg is divided into four large districts. They are Bregenz, Dornbirn, Feldkirch and Bludenz.
On land, Vorarlberg has borders with Switzerland, Liechtenstein and Germany. The respextive states are the Swiss cantons of St.Gallen and Graubünden, and the German state of Bavaria. Lake Constance is special, there are no borders apart fro the borders on land. Legally, all the states that share this lake, also have a common border. That way, Vorarlberg also has a common border with the German state of Baden-Württemberg, and the Swiss canton of Thurgau.
Princess of Wales
Princess of Wales () is a royal title used in the United Kingdom. It is held by the wife of the Prince of Wales. It has been used since the first English Prince of Wales, in 1283.
There have been only ten Princesses of Wales, even though there have been a lot more than ten male heirs to the throne. The majority of Princes of Wales married after acceding to the throne as King. A number of other Princes of Wales died too young to marry.
The second wife of the present Prince of Wales, Camilla, Duchess of Cornwall, is the current Princess of Wales, but does not use the title, out of respect for her husband's first wife, the late Diana, Princess of Wales.
The princess is usually entitled to the style of Her Highness.
Goh Kun
Goh Gun (; hanja 高建; born January 2, 1938 ) is a Korean politicians and civil servants.
Goh is best known as Interior Minister, Agriculture Minister, and Prime Minister of South Korea. He was also mayor of Seoul.
He served as Acting President of Korea in 2004.
Flip Wilson
Clerow "Flip" Wilson Jr. (8 December 1933 – 25 November 1998) was an African-American comedian whose career was successful in the 1960s and 1970s. He is perhaps best known for his television variety series The Flip Wilson Show, which earned him a Golden Globe and two Emmy Awards.
Defense mechanism
Defense mechanism is a psychological concept of the mind. It is the coping technique individuals unconsciously use to protect themselves from getting hurt in unpleasant situations (e.g. conflicts, unhappiness). Without defense mechanisms, people may suffer from psychological and mental illness.
Chevrolet Volt
Chevrolet Volt is an American plug-in hybrid car. The car was first produced in 2011 and is manufactured by Chevrolet division of General Motors. This vehicle travels 25 to 50 miles (38 miles average) on electric power alone. After the battery is depleted, it switches to the extended range mode.
In the United States, the car has a suggested price of $34,185, but qualifies for a $7500 tax credit. It can carry up to four people (including the driver).
The Volt has 16.5 KWh of lithium batteries and a 1.4 liter engine using premium fuel. The batteries have enough power to drive the car normally (it can go from 0 to 60 mph in 9 seconds). While the batteries have power, the car is like an electric car.
When the batteries run out of charge, they can be recharged from a special electrical outlet, or the car can turn on the gas engine. The gas engine and electric motors combine in a special type of transmission called a planetary gear, like the Toyota Prius. This allows the gas engine to drive the car or to change its power to electricity. The electricity can charge the battery or power the electric motor.
How much gas is used depends on how the car is driven and when the batteries are recharged. It is possible to only use electric power and never use gasoline. The EPA estimates the average person will get 98 miles per gallon (including the equivalent cost of electricity).
The batteries can be recharged in 10 to 16 hours using a 120V charging unit (most circuits in a house are at 120V). A 240V charging unit will recharge the car batteries in four hours. The batteries can also be charged from the gas engine or from the "regenerative" brakes, which turn the energy of the moving car into electricity.
La Brea tar pits
The La Brea tar pits (or Rancho La Brea) are a famous cluster of tar pits in central Los Angeles. Complete skeletons of many thousands of large animals have been found here. They date mostly from 40,000 to 8,000 years ago.