Orange County observer. [volume] (Hillsborough, N.C.) 1880-1918, 1893-09-02
SCIENTIFIC AND INDUSTRIAL.

3. Paper has. been made of almost
everything, not excepting iron.
An average of five feet of water
falls from the clouds to the earth every
year.
An electric chatting dish is used in a
Philadelphia restaurant in view of the
customers.
A process of eliminating smoke
from the combustion of coal has been
discovered by an ingenious German.
A scientist has discovered that soapy
water, making an envelope like thft Of
q soap bubble, has greater power than
oil to subdue rough water.
The use of aluminium has been pro-
posed for boats, balloon cars, trotting
sulkies, flying machines and all pur-
poses where lightness is durable. At
present its cost, seventy cents apound,
is against 1t.
The healthful effects of sunshine
have been scientifically demonstrated
by a number Of French, German and
English naturals, who have discovered
that sunlight has a direct germicidal
action, and is fatal to the bacilli of
tubercles, diphtheria, typhoid fever
and other diseases.
The glacier of Devdorak. on MOUNT
kazbek, ~ of the highest peaks Of
the Central Caucasus, Is causing great
alarm III |ladikaskaz and all along the
course of the Terek River. It's move
,,.,{ 1ou-n 1rorl, hoe cooo,1- i-x-
greatly accelerated, and there is great
danger that in q vera short time II
will temporarily dam the Terek and
divert a vast body Of water on the
plain where Vladikavkaz stands.
Hclmholtz has shown that the fund.-
Of the ewes are themselves luminous,
and he was able to see, in total dark
ness, the movement of his arm by tho
light Of his own ewes. This is one q
the most remarkable experiments re
corded in the history of science. and
probably only "A few men could salts
factorilv repeat it, for il is very likely
that the luminosity o. the eyes Is as
sociated with uncommon activity Of
the brain and great imaginative power.
IL II !lfI'I t-ttIttt u ltiAiH HftlfI. " ] l
were.
1t is believed that there arr five
times as many insects a. there are epe-
cFs Of all other living things put to
gether. The OAK alone supports 40
species of insects. and 900 kinds make
their home III the pine. Forty wear.
ago Humboldt estimated that the mum.
her Of species preserved In collections
was between 150. 900 and ITO. 600. but
scientific men nov say thatthere must
he more than $50. 600, without taking
into account the parasite creatures.
OF the $4,000 species N Europe, how
ever, not more than $500 are noxiou,
or destructive. There are more thar
100, 900 kinds Of beetles.
Few have any conception OF the
progress which Photography has NAL
IN the direction OF taking Instance
Impressions An object travelling s.,
the rate of 10. 900 miles Al hour cal
be photographed by means OF The elec
trio spark, while, II a revolving rnire
ror IS introduced. objects travelling "a
the enormous speed of $50, o11 mile
an hour can be taken.k To photograpi
the latter class Of objects. the mirror
which Is worked by electricity, ma
revolve. 1924 times every second
which gives a speed a hundred AZ
nifty times greater than that o: a bnl
let. Thus the amateur who TAX
snap shot With his instan:aneoa,
camera i. unknown ~ himself, wo.k
ng s. miracle.