The Donaldsonville chief. [volume] (Donaldsonville, La.) 1871-current, 1881-03-19
SCIENTIFIC MISCELLANY.

t -L'EJect7icite has taken the troabls of
depising a plan for prndueing esprit
voices by means of = teieph,ae or MT
crophane.
Portable electric lighting machines
are being made III France, the steam mo-
tor being employed at will to transport
the machine OF produce the light.
Changes in the thermometers rang
ing as high as eight to ten degrees h;tTs
been found TO aec1r when applied to GER
tain purposes, and kept At ! high temper
:sture for considerable perIati
4 wealthy merchant OF St. Peters
burg, Herr Jules ellis. has offered a
prize of one thousand dorins for pepu-
lar work on g Rants Views OH the Ideal
ity OF Time and Space
An Agricultural experiment. association
has been formed by number Of Sussex,
Eng J, landowners. It's object Is TO ex-
pertinent with manures and crops upon
several varieties Of soil
M. Goyarti, French physician, has
lately called the attention of medical
men to case in which a new born in
fanb, apparently dead, was recalled To
life by immersion in u bath OF water
heated to about f2G degrees Fahrenheit
DR. Theobald lately exhibited a
beetle at a scientific meeting, giving
these figures to illustrate it's physical
strength Weight of beetle, two grains !;
weight moved by it, ST aunens-1323
times the weight Of the beetle. 4 man
Of I5f pounds weight, endowed with the
siren 9Th of this insect, should therefore
be able to move 1as, GOO pounds OF nearly
1913 tons.
An insect has no lungs, sta tes Ir j.
e. Wood 1t respires after Il manner to-
tally different from that Of higher ami
mails. The spiracies admit air into,
two tahes, which run along the sides of
the body. The insect does noe breathe
through it's mouth or HhrnugII it's nose,
but through the sides of the bo,iy., It
has Il large number of brains through the
body, which e1pIsIns why it is so difficult
to kill la insect, as each separate brain
has to be destroyed
-Aecorting TO 4 recent work by Prot.
BiacLoff, an eminent Munich ara5amisn.
the average weight OF the human brain
is 1852 granln,es for man and I2I9
gramines for woman. The difference be-
/ tween the average braia-wei4ht OF man
and woman IhlsamounEs to lEs graEnmes,
OF 10r per cent The brain weight Of man
exceeds that Of all animals except the
elephant 1860 gralnples) and the larger
Ce5aeeae (a50a grammesl. TIE BRAIN
weight Of the largest apes il hardly Ii
prise the weights OF brain Of $50 men and
,47 women.
"A novel mode Of propeiling vessels
has been described 30 the French AcatIe-
ny By " tsraad5, wAa says he las eau
StEI.itti hDVlFtaHf ZOE Tile DslE1Gse. LIE
principal agent il electricity One ar
more sets OF eIee5ro-dynamie apparatus
are driven By an ordinary steam engine.
The electric current ia sent through /
Va.taneEar eanEaslsng acidssa.lted water-
The axygen and hydrogen arising from,
decomposition Of the water are led, III a
tube, fore aH ut, in the boat, according
To the siirectian in which it is desired 60
GO. They escape b. an aperture IN the
IaH, q little above which aperture is an
Induction coil aEria cement. hE which
snarfss are passed between two Insulated
platinum points. The explosion of the
gases thus prag+.a the beat MAY this
I.Iea act lead Us to hope that. after all
eur aEsarivings. some usa may be found
fs,s hnndre.l-tsn guns The reesil pre-
tiHeeI by rapid firing of e6far-es Ut -ev-
er.i hunssresis p.Fntts af Pe.tier a5Igii5
4slrsEy 10 make bhs guns valuable as tis-
tors saE gessets,