A massive dust storm hits the phoenix valley area with extreme wind and dust. This footage is toggles in/out of a time lapse.
Friday, July 8, 2011
Thursday, July 7, 2011
The Aurora Borealis - What is it? Where does it come from?
This video explains how particles originating from deep inside the core of the sun creates northern lights, also called aurora borealis, on our planet.
The Astounding Curta Mechanical Calculator
Witness the jaw-dropping ingenuity of this fascinating hand-held mechanical calculating machine.
Wednesday, July 6, 2011
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