ScienceExperiments

April 16, 2008

from Rick Crammond Subscribe

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2 videos

+ 24
34,078 views
Added over 3 years ago

How To Make a Coin Battery

Sure you could take $2.50 and just buy some batteries, but how much fun would that be?

Science & Technology Projects from cognitivefilms

+ 128
56,192 views
Added over 3 years ago

How To Start a Fire With a Battery

Sticks and stones may break your bones, but they’ll take forever to start that fire. Here’s how to do it the modern way.

Science & Technology Projects from cognitivefilms

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