La mia versione del generatore di Van de Graaff DIY!
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Millions of people don't know about the invention of this homemade tool
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Insert Old Batteries into an Angle Grinder – You Won't Believe What Happens! 😱
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How to make a Van de Graaff generator (electrostatic generator)
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3 Amazing Ideas You Can Make Yourself | Amazing DIY Ideas | Homemade Inventions
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Forget about all the antennas! A piece of Coaxial Cable unlocks all TV channels
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Unique use of an old car wheel! Why hasn't anyone done this before?
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Don't throw away old Batteries! Genius invention with Welding Machine
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