Exploding soda cans with electromagnets in SLOW MOTION ft Joe Hanson | Summary and Q&A

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June 14, 2016
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Physics Girl
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Exploding soda cans with electromagnets in SLOW MOTION ft Joe Hanson

TL;DR

Arc Attack demonstrates the power of electromagnets through can crushing and launching aluminum rings, as well as creating explosive reactions, all in the name of science.

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Key Insights

  • 😍 Electromagnets can be used to crush cans and launch objects by inducing currents and creating repulsive forces.
  • 🏑 Changing magnetic fields near conductive materials induce currents, which in turn create their magnetic fields.
  • đŸĨē Induced currents have their magnetic fields, leading to interactions and movement between materials.
  • ↩ī¸ Conducting materials can be temporarily turned into electromagnets using induced currents.
  • ❓ Powerful electrical currents can cause explosive reactions and shrinking of objects.
  • 😒 Arc Attack uses their demonstrations to educate and entertain audiences, showcasing the power of science and engineering.
  • đŸĢą The right hand rule helps determine the direction of a magnetic field based on the flow of the electric current.

Transcript

DIANNA COWERN: This episode is sponsored by Audible. So we're going to be able to rip apart this can with just electromagnets? JOE: That is correct. JOE HANSON: Um, why? JOE: For science. I'm here today with Joe Hanson. And we're here with Arc Attack. JOE HANSON: So wait, wait. How fast does this happen? How does this work? What-- what is this? Thi... Read More

Questions & Answers

Q: How do Arc Attack's demonstrations with electromagnets work?

The demonstrations involve inducing currents in conductive materials using changing magnetic fields, which create strong magnetic fields that tear apart the materials or cause them to move.

Q: Why does the aluminum can rip itself apart in Arc Attack's demonstration?

The induced current in the can creates a magnetic field that opposes the original magnetic field, resulting in a repulsive force that causes the can to tear itself apart.

Q: Can Arc Attack launch non-magnetic materials using electromagnets?

Yes, by inducing a current in non-magnetic materials like aluminum, Arc Attack can turn them into temporary electromagnets, allowing them to be launched using the repulsive force between two magnets.

Q: What happens in the explosive reaction demonstration by Arc Attack?

By applying a powerful electrical current through a quarter wrapped in wire, the energy is released explosively, creating sparks, smoke, and shrinking the coin.

Summary & Key Takeaways

  • Arc Attack, a performance group and band, uses electromagnets to crush cans in half and launch aluminum rings into the air as educational demonstrations.

  • Changing magnetic fields induce currents in conductive materials, like aluminum cans, which create their own magnetic fields and cause the cans to tear apart.

  • Arc Attack also showcases explosive reactions, shrinking a quarter and creating sparks and smoke.

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