The Bridgeport evening farmer., 1909-03-18
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NEWEST NOTES OF SCIENCE.

Researches in Germany show that a
given quantity of red hot coke will alb
sorb four times the amount of water
that will be absorbed by the same am
cunt of coke if cold.
A new balance plow of German in.
vention is designed to be used on hill
sides where all burrows are turned in
the same direction, the shares at eth
er end facing the same side.
A British patent has been granted
upon an instrument for testing the
relative freshness Of eggs by using the
well-known fact that a fresh egg sinks
in water, while stale one floats.
An autopsy upon a negro who re-
Gently died in Philadelphia of pneu-
monia showed that a stab wound in
his heart which was sewed together by
surgeons six years before had COM
pletely healed.
Under new New York law OPTIC
metrists are those who prescribe len
ses for defective eyes, opticians grind
the lenses and make SpectacleS and
glasses, and oculists treat eye diseas-
eS.
A little flake of graphite sprinkled
in the cylinders of a gasoline engine
in which the piston rings and walls
have become worn will find the worn
places and bring the compression to
normal again.
Motor-drawn balloon trains, consist
ing of six wagons containing steel
compressed gas holders, two wagons
for supplies and three for the balloon.
ropes and equipment, have been ad-
ded to Austria's army.
In addition to yielding medicinal
Oil acetic acid and a tar which is a SOL
vent for acid, grease and saline mat
ter in boilers, the leaves of the euca-
lyptus tree are said to produce an il
Illuminating gas.
Nearly every American college and
university which sends out exploration
parties will have representatives in
vsetigating the contents of the prehis-
toric mounds of the Missouri valley
the coming summer.
In new form of electric lighting
the lamps are suspended above bowl
shaped ref1ectorS of such design that
the light is thrown against the ceiling
and diffused about a room without
casting any shadows.
Discoveries of radium in pitch
blende in a pile of refuse at the mouth
of a copper mine in Cornwall, Eng
land, which was abandoned so years
ago, have led to reopening of the
mine in the search for more of the
priceless stuff.
Steel and reinforced concrete will be
largely used in the rebuilding of the
italian cities destroyed by earthquake
in December and it is probable that the
Government will limit the height of
all buildings to ten meters.
If the Government permits the con-
struction of a $50. 100000 drainage and
power canal at Bus alo, N. Y, the cur
rents of river and two creeks will be
reversed and flow into the canal in
stead of into Lake Erie and the Mag
ara River.
Whether an electric current is al
ternating direct may be determined
by holding magnet near an incan-
descent lamp burning in the circuit. If
the current be alterna ting, the fla
ment will vibrate; if direct it will bend
toward the magnet without vibrating.
According to a German Government
commission which has been investi-
eating the Identification of railroads,
it is essential from the standpoint of
economy that the current leave the
power houses at a voltage of so 000 to
be reduced to $4,000 when it is used in
locomotives.
In the distribution of the Nobel
prizes the Scandinavian countries have
not profited to the extent that might
be expected, the awards being as fol-
lows: Germany, 8; England, 5 1-2;
France 1-2; Denmark. Holland Rus
STA. Sweden and the United States, 1
each; Italy and Spain, 1-2 each.