A dad and his two boys show you how to make a battery from lemons as a tribute to Mr Wizard. This is a kid-safe project and a great way to learn about electricity and science.
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Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
How To:
Make an LED or a light emitting diode
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10 Unique & Practical Ways to Repurpose Your Old Hard Disk Drives
How To:
Build a Remote-Controlled Water Gun (Or Flamethrower!)
How To:
Scramble 4 Eggs Inside Their Shell at Once
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Make a Super Cheap One-Way Check Valve
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Make a sneaky, snake spy camera that records video
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