http://www.ethicalsuperstore.com/products/h20/h20-8-digit-waterpowered-calculator-with-replacable-cell/
2007-11-30 08:10:44 · 4 answers · asked by Timothy H 3 in Science & Mathematics ➔ Other - Science
it is most likely hydrocell technology.
the same that GM is using to produce new hydrocell cars.
while the site doesnt give much info on the calculator, there is probably a de-ionizer of somesorts that most likely is able to separate the hydrogen from the oxygen in the water, creating an electrical charge that powers the calculator
2007-11-30 08:19:24 · answer #1 · answered by Anonymous · 1⤊ 2⤋
Probably the water acts as an electrolyte between two dissimilar metals.
Elementary physics - ask your teacher.
Why did you use the word "hell" in your question?
2007-11-30 16:45:11 · answer #2 · answered by Anonymous · 1⤊ 1⤋
Good question--better get a solar powered one--lol.
2007-11-30 16:18:43 · answer #3 · answered by Nemo the geek 7 · 0⤊ 1⤋
well from what I read it work by filling it up with water and when it runs out you fill it up again
2007-11-30 16:19:07 · answer #4 · answered by glamour04111 7 · 0⤊ 1⤋