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Melting steel with copper tubing: When a strong electric current runs through the…

Reshared post from +Imagine Science Films

Melting steel with copper tubing: When a strong electric current runs through the copper, it acts as an electromagnet, holding the steel slug aloft. Then the electrical resistance of the steel converts part of the electrical energy into heat. Quiet a lot of heat.
#scifunonfilm  

Melting steel with copper tubing: When a strong electric current runs through the copper, it acts as an electromagnet, holding the steel slug aloft. Then the electrical resistance of the steel converts part of the electrical energy into heat. Quiet a lot of heat.
#scifunonfilm  

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