Uploaded August 2020 | Updated September 2026, 3 weeks ago

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Brady and Keith look at one of the quirkiest objects ever featured on the channel... A miniature thimble battery! More links below ↓↓↓

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Check out some previous episodes related to this video -
Optical Illusions (feat Vsauce): youtu.be/zrDfZgZq0EU
Radiometer Tie Pin: youtu.be/p0f5i7r02dg

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