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KAN Talks 6: Quantum Physics for kids (By Srinivas)

About the presenter:
Srinivas is 10 years old. He is a part of Mango Astronomy Club. He is passionate about physics and astronomy. Enjoys sharing whatever he has learnt in science with his peers.

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KAN Talks 6: Quantum Physics for kids (By Srinivas)

  1. 1. Quantum physics BY SRINIVAS
  2. 2. “⋆ IF YOU THINK YOU UNDERSTAND QUANTUM PHYSICS YOU DONT UNDERSTAND QUANTUM PHYSICS -Richard Feynman
  3. 3. The story of uncertainity
  4. 4. Double slit experiment
  5. 5. A single electron wave passes through both slits at the same time
  6. 6. The state of being in multiple places at the same time can be possible only in quantum realm
  7. 7. Subatomic particles have probability of moving through barriers
  8. 8. What happens when we throw a ball
  9. 9. Do you know the physics of an electron revolving around the hydrogen atom?
  10. 10. It is very difficult to understand the way an electron behaves or orbits around a nucleus The physics of the real world simply doesn’t apply to the physics of the quantum world
  11. 11. 50%
  12. 12. Two boxes with two cats with bomb of 50% chances of blowing In real world probablity
  13. 13. Take the boxes to two different galaxies Still one cat comes out alive and other is dead when observed
  14. 14. Two subatomic particles with a same source of origin are always entangled Even if they move from each other billions of miles away they are inexplicably linked
  15. 15. Measurement of one of the particle like it is spinning up or down is always correlated with the other even if it is millions of miles away
  16. 16. If you measure one particle you can study the other. Faster than light sort of communication Their correlation somehow stretches over any distances
  17. 17. • The quantum world is unlike seen in anything • One can never know where the electron is ,until you measure it :bohr • Only by looking ,everything comes into existence • Imagine there is a curtain between us and the quantum world. • Only when we pull over the curtain and see everything seems to come into a state OF REALITY • This is known as the Copenhagen interpretation. Einstein hated this….he thought there should be undelying theory behind everything • EVEN HE ASKED DOES THE MOON CEASE TO EXIST WHEN NOT LOOKING AT IT?
  18. 18. John bell a great scientist with real courage and conviction tried to experiment entanglement. The experiments were carried out and repeated several times all around the world.Each time they yielded consistent results. The significance of these results were shocking It proved EINSTEIN wrong The entangled properties of subatomic particles were not prewritten They come into existence only when measured Something strange is linking them which truly defies commonsense Whatever happens we don’t understand but that doesnt mean we should stop looking

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About the presenter: Srinivas is 10 years old. He is a part of Mango Astronomy Club. He is passionate about physics and astronomy. Enjoys sharing whatever he has learnt in science with his peers.

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