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2 answers

a calculator or a power supply ..

2006-11-29 00:10:27 · answer #1 · answered by m_elnakib 2 · 0 0

Take an early invention, such as Edison's phonograph or Bell's telephone, and update it. Make a model similar to the original and modify it with current technology. Show the steps you went through to get from one to the other.

2006-11-29 00:17:13 · answer #2 · answered by quizkid 3 · 0 0

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