https://www.youtube.com/watch?v=J9b0J29OzAU
Making a train set from batteries, magnets and copper coil
Making a train set from batteries, magnets and copper coil
https://www.youtube.com/watch?v=J9b0J29OzAU
Making a train set from batteries, magnets and copper coil
I bet that's how Elon Musk came up with the idea for the hyperloop!
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