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Talk for grade 4 at my son's school, Science Week 2004
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Wonderful WavesWonderful Waves!
What is a wave? Everyday waves How do we make waves? Sound and Light Scary Monster waves
Sound-wave miracle: a Tuvan musician can sing two(or three!) notes at once
Waves on waves ....
... on waves ...
... on barriers ...
. . . . to understand How we can use X-ray waves . . . .
Sensitive photo-film goes dark where X-rays hit
DNA
Another kind of wave: the bubble wobble
Some monster Waves:
Rogue sea waves
Tsunamis
Shock waves
Supernova blasts
Rogue or “freak” waves can sink a ship!
The tsunami
Sonic shock in a wind tunnel
Sonic shock wavesSonic shock wavesfrom from planesplanes
Supernova Blast Wave: the star maker
It is a wave? It is a shock?
No: it's a Smoke Ringor
vortex structure
Blast, shock, sound, and “smoke rings” — in one event
The End