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DIY tutorial glowing pendulum in the dark
Learn how to make a simple DIY pendulum using a ping pong ball and basic household materials. This step-by-step guide shows you how to construct, balance, and experiment with your pendulum, ...
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DIY slingshot that fits in your pocket—and works
The science pros at TKOR reveal how to make a DIY slingshot that fits in your pocket and works. Massie joins Democrats to oppose GOP bill America’s biggest oil field is turning into a pressure cooker ...
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