Quarters are nice and silvery. What if they looked like a big penny? This video shows you how to electroplate metal objects, using just a battery, some copper salt, copper metal, two wires, and a quarter.
Just updated your iPhone? You'll find new Apple Intelligence capabilities, sudoku puzzles, Camera Control enhancements, volume control limits, layered Voice Memo recordings, and other useful features. Find out what's new and changed on your iPhone with the iOS 18.2 update.
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Make a Crazy Foam Explosion Science Experiment
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Make hydrochloric acid from salt
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Make elemental sulfur (sulphur)
How To:
Calculate electrical power
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