REMAKING HISTORY
The Daniell Cell
Make the electric battery that powered the scientific revolution.
SEVERAL OF THE PROJECTS FEATURED
previously in this column were battery powered. Humphrey Davy, who developed the arc light (Volume 20), and Samuel Morse, inventor of the telegraph (Volume 23), used voltage produced by chemical reaction.
In 1800 Alessandro Volta made the first apparatus that turned chemical energy into a stable, long-lasting, and constant electrical voltage (Volume 24). But it was hard to use because the chemical reaction quickly corroded the parts.
In 1836, English chemist John Frederic Daniell ...
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