The Abbeville press and banner. [volume] (Abbeville, S.C.) 1869-1924, 1888-11-28
POPULAR SCIENCE.

Electricity moves 2ss, 1000 miles p
second. 3
There are hardly 100 electric motors
work in Great Britain, while in Amerie
there are 5000. q
Perfect physiological development .
the infant is absolutely dependent upo
mothers milk. "a
Gneisses and schists are the olde4
minerals known to us, and are, therefoft
to be regarded as the foundation stone
of the earth's crust. - f
The Electric Repiew prophesies thy
the day will come when lightning-rP
on house will be regarded in the sap
light as horseshoe over mans door.
Professor Ayrton defines inertia, fro
the European standpoint, as 'tres istan
20 notion" and, from the Americ
standpoint, as resistance to standi]
still"
A hospital for animals is one of LoJ
ions rew humane institutions, and
aumber of horses, dogs, cats, and 9TH
animals presented tor medical and SUI
gical treatment has already necessitstei
extension of space. ...
Professor Pickering of the Harysg3
College Observatory, makes the rathd
broad guess that the so-called ''canalf
sf Mars are areas Of vegetation, possiby
immense cultivated tracts. It is easi4
to guess than to demonstrate. al
A recent lecture by Professor Honne4
On the s'Foundation Stones Of the EARTH
Crust" before the British Associati95
was illustrated by real sections of roc1I
30 thin as to be partially transparent
which were projected on the screen.
"Weighty thoughts" will no long'
be mere pigments Of the Imagination. Al
Italian has invented a balance upon whid
even dreams or the effects of 9 sli81
sound during sleep turns blood enoua
to the brain to produce measurable ii
preston. ,'.l'2,,9 9s A
A metallurgist gives as reason VII
steel will not weld as readily as wrougl
iron that it is not partially composed3
cinder, as seems to be the case wa
wrought iron, which assists informing
fusible alloy with the scale of oxidatiea
formed on the surface of the iron in
furnace. -. ,.s
There are only three salamanders
this country, but even three have be5
a large enough number to prove 4
falsity of the old belief, that salamanca
live in'the fire. They like to be whe]
it is warm, but they cannot live in
fire. Their diet consists of worms aI
Jelly fish. ....-ar .Ha-a1
DR.. Charcot, the great French phi
sician, says that children under sixte
cannot have their brains overworke
No forcing, he asserts, will get out
them more cerebral work than the bra
will accomplish without fatigue. IL
not till after the age of sixteen or Gig
teen that surmenage becomes possible.
The following is given as an eficis
mixture for cleaning old brass: y0U
ounce of camphor gum, two ounces
alcohol, two ounces of spirits OF arnmon}
four ounces of spirits of turpentine. q
pound of star candles, one pound
tallow and one pound of tripoli
mix first dissolve the camphor in I
alcohol, then melt the Ingredients a
mix together thoroughly. -
The scientist Leuwenhock says:
have often compared the size Of I
thread spun by full-grown spiders W
hair of my beard. For this purpos
placed. the thickest part Of the thread
fore the microscope, and from the md
accurate judgment I could form, md
than hundred of such threads splac2
side by side could not equal the diame
of one such hair. If, then, we suppl
such a hair to be of a round form, 1t 4
lows that 10, 900 of the threads spun
the full.grown spider, when taken
gether, will not be equal in substance
the size of a single hair.