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	Name	Timescale	Description	File Size
	Continental Plates	Approximate Elapsed Time: 240 million years (7,700 trillion seconds)	All the continents of the world were once one large continent called Pangaea. Over the course of hundreds of millions of years, Pangaea became...	292 K
	Crowds	Actual Elapsed Time: 17 minutes (1,000 seconds)	Students flow through Sproul Plaza on the UC Berkeley campus. Speeding up this action 100 times, the only students we can see clearly are...	504 K
	Cymbal	Actual Elapsed Time: 1 second	A wooden drumstick hits the edge of a cymbal setting it in motion. The motion of the cymbal vibrates the surrounding air, making ripples...	468 K
	Dandelion	Approximate Elapsed Time: 1 second	The tiny seeds of a dandelion fly away in a strong breeze. With the naked eye, it appears that dandelion seeds fly off in...	280 K
	Fire Cracker	Approximate Elapsed Time: 2 microseconds (2 millionths of a second)	A firecracker explodes, blasting its paper casing into tiny pieces. Explosions, like this one, are caused by intense chemical reactions, which produce tremendous amounts...	252 K
	Forest Regrowth	Approximate Elapsed Time: 20 years (630 million seconds)	After destruction by fire, a forest in Montana is reborn. Growth is slow at first. The plants are small and almost shy, but then...	504 K
	Freezer	Actual Elapsed Time: 20 hours	A freezer uses "the force" to defrost itself, after years of imperial tyranny. A hero emerges from the ice and embarks on...	3 MB
	Glass Breaking	Actual Elapsed Time: 1/10 of a second	A glass of water slips off the counter and breaks, sending water and glass all over the floor. What really happens is not that...	612 K
	Gymnast	Actual Elapsed Time: 1 second	A gymnast in training performs a double somersault with a full twist dismount off the high bar. He travels at about 12 miles per...	324 K
	Homework	Actual Elapsed Time: 20 minutes	Kids at a community technology center spend the afternoon doing their homework. At first not many people are there. But soon enough the place...	648K
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