I would love to see a Japanese-designed speedcube

Oh yeahhhhhh lol. There is a soccer ball that makes electricity when you roll it (look it up) (sry for the unrelated post, but this reminds me of it)
Japan? Electricity?
🇯🇵 Japan is turning footsteps into electricity! Using piezoelectric tiles, every step you take generates a small amount of energy. Millions of steps together can power LED lights and displays in busy places like Shibuya Station. A brilliant way to create a sustainable and smart city.
 
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Japan? Electricity?
🇯🇵 Japan is turning footsteps into electricity! Using piezoelectric tiles, every step you take generates a small amount of energy. Millions of steps together can power LED lights and displays in busy places like Shibuya Station. A brilliant way to create a sustainable and smart city. [1, 2]
There’s another way of turning steps into electricity. I saw a thing where it was a box with a magnet suspended on springs or something, and when you step, it would make the magnet move and generate electricity in wires surrounding it (or something of that nature). I believe it was used as a battery pack to charge your phone when you walked.
 
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