Elmore bulletin. [volume] (Rocky Bar, Idaho) 1889-1906, 1889-09-21
SCIENCE AND INDUSTRY.

lit Is supposed that the steam power
now utilized is almost equivalent to
the hand labor of the whole population
OF the world.
Experiments in welding wire rope
by the electric process show that tho
strength OF the finished welding Is
within eighteen per cent. of the normal
strength Of the cable
Aluminium for dental purposes Ii
said To be coming into favor. II Is pro-
nouncod better than rubber and less in
cost than gold. II Is bright. strong.
odorlsss. and as healthy 90 the gums as
gold or platinum.
Recent experiments at the Ear
Hospital in London indicate that stam-
mering il not nervous defect only.
In operations Tor deafness IN several
cases the patients were cured OF STAN
mering also, and the result is the
opinion that stammering comes from
some defect in the hearing.
M. Beauregard, an eminent Egypt
ologist. believes that Egypt at the time
OF the Pharaohs exhibited the mixed
condition Of combining the use of flint
implements with acquaintance with the
means of extracting copper and blend
ing it with other metals.
Why Is negro's skull harder and
thicker than white man'sp Herodo-
tus explained 1t by attributing II to the
early exposure OF African children to
the heat OF the sun; and Prot virchow.
after his trip up the Nile. sides with
the Greek historian.
satisfactory tests have been made
OF the new liquid. pyrodene. which
renders wood, textile fabrics, and such
inilammable materials tireproof. The
liquid. which is an English invention. is
made Of all colors. so as 10 be used as
substitute for paint. and is claimed
10 render houses entirely fireproof
Doors are now made OF two thick
paper boards nodded into panels and
glazed together with glue and potash.
and put through heavy rolling pro-
eess. Covered with waterproof coat
Ing. they are hung like wooden doors.
and are both beautiful and serviceable
Investigation has shown that terra
-otta bricks and blocks best resist the
action OF fire. Next TO these as fire.
resisting materials come coucretes.
For buildings Intended to be fire
proof. the best materials are iron work
fncased IN terra-cofta. with tile or
brick work In roof and floor.
The archaologists OF Norway have
pursued researches into the early pop
hlation OF the country as far north us
10 degrees Is minutes. The results
show large population in prehistoric
times. but one not given To agriculture.
No bronze objects are found, and the
conclusion il reached that the men OF
The early iron age were the first to
affect them. those Of the bronze age
never having reached the northern
parts.
An interesting fact Is that one OF
The greatest problems now perplexing
scientific men-the production of heat
less ligltt-has been already solved by
nature. The light from luminous
sufficient for reading II news
Baper-is shown by the spectroscope to
he all OF one kind. and just the kind
for seeing, while the thermopile finds
no evidence of heat. Yet In all our
artificial lights vast quantities OF fuel
are wasted for useless heat
"A French chemist named Beaumetz
exhibited at n recent meeting of the
Paris Academy OF Medicine a new
alimentary substance which he names
ftomentine. II Is obtained from wheat
by the aid Of special millstones and is
really the embryo of the wheat reduced
tb -four II contains three times more
heterogeneous substance than meat, and
q large proportion of sugar. IL is
thought that It may advantageously
replace powdered meat as concen-
trated food. II may be employed for
making soups, and even for making
biscuits.