Rensselaer Union, Volume 1, Number 4, Rensselaer, Jasper County, 22 October 1868 — Expansion of Ice. [ARTICLE]

Expansion of Ice.

Considerable interest has been excited in England, lately by some ex; peri me me that-btuvo been performed, with ft view to ascertaining wbctjuer ice expands ar contracts under the influence of an in tense degree of cold. Prof. Tyndall, an eminent-ftiithority on tbe subject of heat, eofitends that a mas* of ice expand" alter it becomes frozen.— To,prove that hie position in tbe tree one, ho placed some bandi of cifit iron around a nicely fitted block of ice, and fmbmitted them to the action ot a freezing mixture.— lq as bort time- tbe iron ban da broke with a loud report; Jio held that, this experiment was sufficient so establish his position. lira theory , however, has been disputed by severer eihibeiit-eclsolftrt*; who contend *b*t tbift-experiraent doe* show, that icq expands cold, but that tbe bands burst iri consequence' (i? their contnutffigV Snd it'otTbecanso tbe ice ©*i pttu.lvdi.i 'Jlhcy alto instanced the well kuown dta&ibsi, Lhn-fturSttfiTcd tbo great lakes, [n JESritish America, which often "Congeal to q-tbickuesa BrSoVcrikl fhdfica bight, n-ill, da IhS oeVur'ertrso of #Oolher open id iridt Smr«* .Tbit, ; p be pompon, tiypj tyac.ting by cold* s , , • The “QliVei gea the BQsaiM| '" '