The hatchet. [volume] (Washington, D.C.) 1883-19??, 1900-06-10
&@o,
POPULAR " SCIENCE.

s more remarkably if one sided illumination the
take obque positions they will resume such positions
on awaking next day, though in darkness
The inhuman explosive yddite by the British in the
war against the said be largely composed of pcrc
acid made by treating Oarboc acid with nitric 1t is about
the force of cotton and the cuncusson
fatal than the fragments OF shells Inc name comes from
the town of Lydd, where it was first made.
Professor Dewar of argon and the first man
who lqueed air and other has been experimenting
dnbthera cholera and diseases colony of them was
immersed flask of liquid air for eighteen hours Despite
h % bot the temperature was 3l2 degrees below the
microbes thawed after their long bath and became as lively
as ever Photogenc germs become dark at hat temperature
but resume their luminosity when hawed out 1t Is believed
that degree OF cou thaJ caH oe wa '0'NJ
of the disease germs
The mouth parts wasp, though arranged for sucking
have not reached degree of perfection found among the
haas Thev are thus prevented extracting the honey from
the deeper flowers and accordingly frequent the more shall
low or widely opened particularly the Umoeler Fruit
IN ire also also forms an important part of the food Of
the adults Several species store up honey IN considerable
quantities the greater number not all have marked car
nivorous tendencies
If we put alcohol the hand it feels cool not because of its
the heat of the hand Water produces the effect
but its evaporation slow that it is inapprecab to the
hand If the whole body be WEI rather dry air the cool
inc effect would be noticed Immediately
A cablepram goes from Newfoundland Ireland rather
slowly we believes first letter of the first word might take
an appreciate part of second to cross cable message
might be sent thousand miles at about the same rate OF
speed
n Woodland Of Columbia University maintains that the old
estimate of the atmosphere weight equal to that of shell
of mercury thirty inches thick all around the earth Incorrect
and assigns as maximum limit the of the atmosphere
hundredth that of the earth and minimum limit
of ne-tenth mlionth, a very wide range
Prof Angelo Mosso of Turin celebrated Italian savant
who recently visited this country greatly impressed by
ymnasiums athletic sports He thought it especially adj
rabe that physical education carried to high degree
here without any military object The American boys and
girls in point physique he says are far superior to those OF
and he confeses he had ony to look the
nv in the street. to convinced how much developed
and strong they than his compatriots
Suppose solid shaft ice miles square be extended
like across the gulf which separates the earth from the
SIM If track laid its surface an express train run
ming at full speed would require than 100 to tray
ere it. Yet if the whole heat of the turned upon il
for single second would be melted, and in few seconds
more all the railroad train would drift away as vapor
falling meteor gives great heat just bullet is
heated when strikes the target Some have conectured that
vast stream of these little hastones raining upon the sun
epnnlv it's fuel But if the whole OF the
into crusher broken and thrown against the SUM-
if would barely furnish heat for single year And such
weight could possibly approach the without knowledge
The geographical of the United States 1902 900
sonare miles excluding Alaska and possessions is in
northwestern Kansas midway between Wakeeney and Hill
Cit The of population is however, far east OF this
being fifteen miles Columbus Ind having moved tC
that point by easy stages from near Baltimore where 1T was IN
the closing years of the last century, and still travelling
Scattered in cloudes through the air the
Garth are many Baoonsts find to believe that
the most powerful of these calculations do not reach very fan
inward while diffusion atery slow that the smell of oil
If meswas eighteen minutes passing through tube three fee
long but the wind transports the odors far and rapidly Rev
I5n M Bacon who been Investigating the subject
tons smell burning fat that drawn by the wind into
stream much than miles long but OF little width
He mentions record of boats that was enveoped II
dense wreath of smoke when four hundred miles at
and also that smell of prmeva forests that seemed to have
been borne by cyclone across the Atlantic to the coast
I France.
The air of furnace has been shown by Mr.
DeC Ward to er than that of many desert regions The
mean relative humidity the tested thirty cent
for three weeks November and the relative humidity
the omen air for the time seventy per cent
The lowest open annual known in the United State
10 ner cent Yuma Arizona that for Santa Fe New
Mexico being "A per of twenty three per cent
= for five summer months in Death Valley Cal
Frank NJ Chapman in apeakng of the migration OF birds
COWS the birds which fear attack may migrate boldly
tbs daytime but the md birds of the forest wait until dark