The Red Cloud chief., 1878-02-28
THE X or SCIENCE.
The

Nom" modification of the telephone
HAY" been brought IL the notice If the
Academy "f Sciences. Paris. by NJ. Brig
net. \ plat" of thin sheet iron having
a black Lead pencil pressing slightly ON
the c"ntr. j. connected bv wires with
th" two ends If ia. bubbin wire II "A bell
telephone. Instead If the magnetic
bar. one Of soft iron il used In the
circuit "A battery of two laclanch. .l--
m"ntS is placed. aud the plate vibraie,i
by the voice causes vibrations i'm the
black lead. and 80 in the resistance II
the circuit and the intensity IL tn. per
man"nt current. Thus attractions and
considerations are produced in the
electro-magnet Of the receiving end.
and the sound "f the VOICE il mail. and
ible.
Ihc Electric Candle.
Mr.. ~Jablochk"f : electric candle. nj
though very Ingenious. must b.. still
further improved before IL can com. in
To general use. Mr.. TehipaleG saws
that IN order Ia giv. the best result. that
Kind of candl. requires maynetic-.lec-
trio machines with a chany.abl- cur
rent, and they are much NOR. ryp.n-
sive han the machines with constant
current. 4 candle OH metres long
VIII burn 20 minutes, giving n light
equal to go normal candles. and costs
~ confines, 81 that a light If 1000 can
dies costs ! francs an hour. besides Thu.
expense Of working the machine. The
cost of lighting the Palace d'Indu.trie
IN Paris by JablochkoH candles wo,ld
bc about Gpo.c1O francs instead Of %
fBH1 the. cost 80 81.
arrangement for the same purpn-.
Ssis.DDis i.ion oG u no " ledge
The subdivision If knowledge into
minute departments j. condemned nv
DIR. Richardson A. destructiy. Ia vital
activity and mental strength. Such
freedom Of intellectual growth a. va,
manifested in Shakespeare. Reynold-.
kemble. Newton. Bacon. Scott, was inn
under the present system Of ~
cessive specialization. Acorn-. II COIN
pressed IN narrow tubs. can never bro
giant oaks. He cites. a. An in
creasing evil. the early -ubjeciion Of
pupils 10 study. All children under :
IT age should De- tauyh, through
play and not through formal lessons.
In more mature years oyerwork AMI
unhealthy competition have resulted in
loss Of memory. si.eple--ne--. and An
exhaustion which leads almo-, Ia delir-
lous wandering. He -aid: .'Th. .y.
Vas doing sufficient evil Ia men.
what would happen To the world If
women. anxious . emulate. were Ia
have their way, and. like moths. follow
their mates into the midnigh, candle Of
The Origin Of W~s~orSs~s.
This - q subject which has long been
discussed by m~ineralogist-. who are
much divided on that question. Prof
>schermak. after prolonged -,udy. has
'ome 10 the conclusion that the ac,iy.
IN the process j. volcanic. III.
points out that The bolide- which fall Ia f,
he earth are angular in form: that they +,
rave M concentrIc structure. even in I,
heir interior: that their external crust
: not an original Characteristic and +,
hat they are evidently fragmentary. :
Examination Of the crust Ia. show tina, /
the later stages Of the fight dis {.
Of the meteoric itself frequently r
place From much evidence Of
ms character. Prof. Tschermak ha- r
'een confirmed In his views. He Ar \
'ues tina; the finding Of hydrogen in I,
neteoric iron isa proof that permanent
n perhaps yapors. which are v
he great agents in transmitting volcan- q
energy have played some par; in tn. b
Of m~e'eorites: and although "a
~ may never have the possibility Of Z.
btaining direct evidence Ut the yoIcan- I
; activity which is supposed 10 have a