MILLIONS OF SIGNALS
NEW SENSITIVE CELL.
A new sensitive ceil fiats been invented which responds to fight with such rapidity that it will make it possible to see much more complicated things by wireless than the mere faces seen at present bv television. The new device is just nn ordinary glass bulb with a small filament, and after it is exhausted «cme potassium is forced through the <l&ss into the inside by an ingenious process of electrolysis. The slightest change in the strength of the light falling on the cell is recorded bv a change in the amount of electric cirrenT it produces.
Present-day cells will <l6 this in a millionth part of e secund, hut this is not quick enough For tho needs of electric light u*he»e to see a quickmoving scene bv wn-ofoss would moan sending at Ici.st thren million electric signals a second.
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https://paperspast.natlib.govt.nz/newspapers/HBTRIB19271201.2.70
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Hawke's Bay Tribune, Volume XVII, 1 December 1927, Page 9
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146MILLIONS OF SIGNALS Hawke's Bay Tribune, Volume XVII, 1 December 1927, Page 9
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