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Wonderful waves

Talk for grade 4 at my son's school, Science Week 2004

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Wonderful waves

  1. 1. Wonderful WavesWonderful Waves!
  2. 2. What is a wave? Everyday waves How do we make waves? Sound and Light Scary Monster waves
  3. 3. Sound-wave miracle: a Tuvan musician can sing two (or three!) notes at once
  4. 4. Waves on waves ....
  5. 5. ... on waves ...
  6. 6. ... on barriers ...
  7. 7. . . . . to understand How we can use X-ray waves . . . . Sensitive photo-film goes dark where X-rays hit DNA
  8. 8. Another kind of wave: the bubble wobble
  9. 9. Some monster Waves: Rogue sea waves Tsunamis Shock waves Supernova blasts
  10. 10. Rogue or “freak” waves can sink a ship!
  11. 11. The tsunami
  12. 12. Sonic shock in a wind tunnel
  13. 13. Sonic shock wavesSonic shock waves fromfrom planesplanes
  14. 14. Supernova Blast Wave: the star maker
  15. 15. It is a wave? It is a shock? No: it's a Smoke Ring or vortex structure
  16. 16. Blast, shock, sound, and “smoke rings” — in one event
  17. 17. The End

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