Clinch Valley news. [volume] (Jeffersonville, Va.) 18??-2019, 1892-09-30
POPULAR SCIENCE.
An express engine consumes ten ga
ms of water ppr mile

An express engine consumes ten gaE
ons of water per mile.
Scientific men now declare that Satin s.
,efore sleeping is of great benefit. 81
| A Connecticut scientist calculates tho
here are 43, $50, 600 mosquito lary@
IN acre of swamp land. E
A Roman scientist, DR.. Fornesari, haH
demonstrated that tobacco smoAe kll!S
iearly all kinds of germs.
A German geologist estimated that thes
Dead Sea will be one mass of sond sal :
githin less than 500 years. {
The smallest known insect, the pteraE
omps punamil, parasite of the icnneuE
non, is about one .ninetieth of an inch is
length. -~
at the Paris observatory it is proposed
soon to begin continuous Photographic
record of tho movements OF theS solarI
system. II
1t would take forty years for all th&
water in the great lakes to pour ove}
Niagara at the rate of 1000, 900 cubid
feet second.
If the sun gave forth sounds loud
enough to reach the earth, such sounds{
instead of reaching us in the space Of
about eight minutes, as light does, would
only arrive after period of nearly four
teen years.
From Bavariau meteorological records,
DR.. Van der Stok extracts what he be-.
lieves 10 be conclusive proof that the
moon has an appreciahle influence on the
number of thunder storms and upop
cloudiness.
Oxygen, nitrogen, marsh gas, carb2nio
oxide ani almost all gases, includinga air,
may be liqueied by being subjected to
intense cold under pressure. Liqueied
oxygen is found to have marked mag
netic properties.
Natural gas has been discovered on the
shore OF the Great Salt Lake, within ten
miles of Salt Lake City, Utah. Several
wells have already been put down to the
depth of $50 feet, and it is said that
$4,000, 900 cubic feet of gas agc now
flowing daily.
Mandioca, plant indigenous to Brazil,
grows abundantly, and the root is used
US substitute for wheat flour, though
less nutritive. About twenty million
pounds of the flour are received yearly
at Rio Janiero, and five million pounds
are exported.
An ingenious lock has been invented
by which doors, etc., may be locked from
distance electrically. 1t is specially
applicable for doors in private and bust
ness houses and Offices, where absolute
SO 1al L.
is operated by simply turning a switch.
Poisoned jam has been successfully
tried for killing rabbits in Australia, one
ounce of strychnine being required for
fifteen pounds of jam. This should help
to get rid of any surplus fruit as we'll as
rabbits, the only trouble being that
horses and dogs will eat jam in Ply guam
tity.
A novel military candle has been de.
vised by young italian artillerist. Its
to be projected from cannon, and upon
striking an eneny's works, or any solid
substance, it breaks and its contents take
fire. The light produced is estimated to
have an intensity of 100, 900 candles, Il.
Eliminating the field for great distance.
Electricity is employed to heat springs
for tempering In gun factory in st.
Etienne, France. A steel wire is wound
spirally and current passed through it
which causes rapid heating. When the
required temperature has been reached
the CURRENTS broken and the spring falls
into trough of water. 1t is stated that
one workman can temper 2400 springs
per day by this method.
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