Floating Strawberry: Real or Fake?

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SUMMARY

The phenomenon of a floating strawberry is a demonstration of direct diamagnetic levitation, which utilizes the diamagnetic properties of water within the strawberry. This effect occurs when a strong magnetic field repels the water, allowing the strawberry to levitate. Typically, superconducting magnets are required for this effect, although small objects, such as water droplets, can achieve levitation with less powerful magnets. This discussion highlights the scientific principles behind the visual spectacle.

PREREQUISITES
  • Understanding of diamagnetism
  • Familiarity with superconducting magnets
  • Basic knowledge of magnetic fields
  • Concept of levitation in physics
NEXT STEPS
  • Research the principles of diamagnetism and its applications
  • Explore the functionality and types of superconducting magnets
  • Investigate other levitation techniques, such as magnetic levitation
  • Watch videos on similar phenomena, like "levitating frog" on YouTube
USEFUL FOR

This discussion is beneficial for physics enthusiasts, educators, and anyone interested in the principles of magnetism and levitation technology.

Maike
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Hey there!

Lately, I saw a clip of a magnet and a floating strawberry. Is it real? How does it work?
I am curious for your explanations.
 
Physics news on Phys.org
It would do good to post the video :smile:.
 
ProfuselyQuarky said:
It would do good to post the video :smile:.

 
See also YouTube for "levitating frog".
 
Maike said:
Lately, I saw a clip of a magnet and a floating strawberry. Is it real? How does it work?
I am curious for your explanations.

It's called "direct diamagnetic levitation" and is the result of the diamagnetic properties of the water in the strawberry, where the water is repelled by a magnetic field. This typically requires superconducting magnets unless the object you want to levitate is very small, about the size of a water droplet.

https://en.wikipedia.org/wiki/Magnetic_levitation#Direct_diamagnetic_levitation
 

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