1. Gravity Waves

5. Kayak Surfing on ocean gravity waves Oregon Coast

6. Waves: sea & ocean waves

7. Sound Waves

8. Sound Waves:

9. Sound Waves

10. Linear Waves Sound Waves compression rarefaction

11. H L H L L

12. Phase & Group Velocity

14. Phase velocity Definition phase S

15. Phase velocity Definition phase S Definition phase-velocity

16. Phase velocity Definition phase S Definition phase-velocity

17. Group Velocity Wave-packet, Fourier Integral

18. Group Velocity Wave-packet, Fourier Integral Phase factor x effective amplitude

19. Group Velocity Wave-packet, Fourier Integral Phase factor x effective amplitude Constructive interference in integral

20. Doppler Effect

22. Shock Waves

26. Supernova Remnants

27. Tycho SNR (1572) SN1006 SNR (1006) Cas A (1680 ?) Kepler (1604) Cas A

28. Cas A SNR flythrough

29. Tsar Bomba Nuclear Explosion

30. Sedov-Taylor Expansion Law