Clinch Valley news. [volume] (Jeffersonville, Va.) 18??-2019, 1891-08-28
POPULAR SCIENCE.
A machine makes 1000 corks an hou

- AHSh'hS huoNSS SVVV COrhb an nOur.
The great Lick telescope reveals about
100, 100000 of stars.
Snails have sort of ribbon with
which they rasp their food as with file.
Palmetto is claimed to DO the only
wood that is proof against the attacks of
the dreaded teredo.
10 effect the respiration of carp,
lS,SUO arteries, vessels, veins, bones,
valves, etc., are necessary.
~. German professor claims to have dis
covered the bacteria which causes bald
ness by destroying the roots of the hair.
Sir William Thomson condemns the
sinSle-wirs system of electric lighting on
shipboard, on the ground that, in spite
OF every care, the compasses are affected.
Recent explorations in Greenland have
developed the fact that north of the
seventy-fifth degree the land in the val.
leys is covered with ice 5000 to 5000 feet
i'll thickness.
Every year layer of the sea, four.
teen feet thick, is taken up into the
clouds. The winds bear their burden
into the land and the water CONES down
in rain upon the fields, to flow back
through rivers.
Analysis Of >dividual bects indicate
that matH.,s. Store than size, determine.
the 81 ~ tents of the beet. A high
vs.. ~ ives, as compared with the
Mr.. * no evidence of higher sugar
-,.,'--I., but rather tho reverse.
The heat produced from the light of a
FREELY is only one per cent. of an equal
amount of candle-light. The bugs
light is produced by a chemical action,
as it is increased by putting the fly in
oxygen and diminished in an atmosphere
of nitrogen.
The size of an adult Engliehman'.
head is said to average No. z. The head:
OF Portuguese average from Ct to 7:
those of Spauiards arc little larger, an6
those of Japanese exceed the English
average. Germans have round heads.
Malays small ones.
Two marked improvements have re.
Gently been made in the use of gas TO,
lighthouse illumination. One IS a pro.
cess OF enriching gas made from ordi.
nary cooking coal by the addition of nv.
drocarbons and leated air, the other is
the new dioptric lens. ...
1t was Icing thought that the water
from melted snow Was the purest of all
water This idea has been proved incor
rect, MS the reverse is true. Snow is
really u purifier Of the atmosphere, at.
tracing TO it, as it falls, various i'm
purities; and these are found in the snow.
water.
The new equatorial telescope recent,
mounted In Paris has its tube bent at |,
right angle and the image of the SIX,
formed by the object glass is reflected te
the eye of the observer. 1t is the largcs
OF its kind in the world, its optical pow
ers being very fine, and the images of tn,
planets remarkably distinct.
Fish ought to be very plentiful an6
cheap, as most of them grow and increas,
without any care from man. 1t is sale
that each founder, for instance, pro
duces many millions of eggs. The sole
produces 10000 eggs, a plaicc no,
less than 5000, 900, while large turbo
has been credited with the deposition
of IL, 200, 600 or $4,000, 600 of eggs.
There are hopes of introducing tn,
magic lantern as means of signaling ii
sea. When so used the lantern will b,
called the "Lucigraph." 1t will hav,
slides in the shape of stencil plates, eacl
with letter or figure cut in it. TIL
screen is n flag stretched in Il conspicu
Gus part Of the ship, on which the lcttc
OF the slide is projected. by the help
glasses the distant ship reads the letters
Mr.. Preston in n letter to DR.. Hertz
the famous discoverer of electrical waves
points oat that if the lines of force re
main stationary while the magnet TO
tates, the magnet, being conductor 70
tating in the field of its own lines, will
become electrified and show positive cleo
tricity at one end and negative ut tn
other. II, on the other hand. the line
move with the magnet no such effect will
take place. DIR. Hertz admits the fore
OF this reasoning.