The Yazoo sentinel. (Yazoo City, Miss.) 1878-1916, 1891-08-06
POPULAR SCIENCE.

The weight Of the circulating blood
Is twenty-ninc pounds.
A vein Of quartz gold was recently un.
covered at Craftsbury, VT.
Habitual divers in salt water often
have Inflammation Of the eyes. The OK.
posure such diving necessitates is not
beneficial.
Phosphorus is now being made by dc.
composing mixture OF acid phosphates
and carbon by the heat Of an electric arc
within the mass.
II has been found after elaborate OK
perimcnts that sewage can DO more eff.
GENTLY filtered through open sand than
through sand covered with soil.
To prevent the evaporation Of water IN
fire pals il has been suggested that Az.
teen to twenty drops OF oil will form
coating sufficient to obviate the diff.
Guilty.
The apparent flattening of the vault of
the heavens has been found to have an
annual period and to depend on clouds.
1t seems least fiat with misty horizon
and less by night than by day.
Colonel Koslowski has discovered
a fresh water lake to the south OF the
Sea Of Aral in the depression known as
Aibu-ghir. 1t is fed by stream run.
ming from the marshes, which are over
flowed by the Anu Daria, to the north
east.
A new safety match has been patented
in England by Belgian, who places on
different parts OF the same match two
which, in ordinary safety
are generally placed respectively
on the box and on the end of tho match.
In obtaining light the match is broken
across the middle and the ends rubbed
together.
DR.. Giraud's recent experiments in
France in the transformation OF the Their
mic energy Of combustion into electrical
energy, and the consequent generation
If heat have resulted in the construction
If stove which may possibly, when
modified and perfected, como to revolu-
ionic our present modes OF heating
lwelling houses.
Macaroni should DO used much more
han it is. 1t is a very good substitute
or potatoes when that vegetable is scarce
nd high, as 1t is this year. Many ply
iciaDs object seriously to the use OF old
potatoes after they have begun toeprout,
nd on their own tables use macaroni in
tead. The simple ways of preparing this
ish everybody knows.
A handy lamp holder has been de-
ised, whereby perfect comfort can be
scured for the eye, while bright light
maintained. The holder can be placed
! any desired position, and by use of
half shade'' the light can be concen-
'ated on any subject, a desk, a type
ritter copy stand or piano, aud all
rain on the eyesight is avoided.
A dentist has called attention to
pgular fact connected with dental
perations. It is surprising to note the
w, even among experienced operators,
no stand Cor sit) at the left side OF che
.Ais.tr-vlsrn sUniing che tverh OF tnnt
40 OF operating IN many OF the cases
hich can be so much better and moro
'mfortably reached from that side.
The settlement OF the position OF the
rench accent was recently attempted In
rance by means Of the phonautograph,
Q measurement Of the record being
ade by tuning fork. 1t was found
at even in the shortest syllables the ear
capable Of not only hearing the tone,
t OF detecting fine shades and differ
ces in the mode Of pronunciation.
A comprehensive study Of the influence
forests on tho daily variation OF the
nperature in Germany and Austria
ows that the absolute value Of the in
ence in woods of given kind OF tree
affected by the degree OF density of
, wood, being higher the denser the
'od. The fact Of whether the climate
oceanic or continental also affected the
ult.