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Physics & Astronomy Facts

What does a piece of space dust look like? This picture shows one that is only 10 microns across. It was captured by a U2 aircraft in the stratosphere.
Uncharted Meteors

In 1967, NASA's Mariner 4 spacecraft was cruising through the solar system, not far from Earth, when something unexpected happened. 'Mariner 4 ran into a cloud of space dust,' says Bill Cooke of the M ...
Candy that glows?
Can Wint-O-Green Lifesavers® Light up Your Life?

Next time you're bored, grab a pack of Wint-O-Green Lifesavers® and lock yourself in the bathroom. Shut the blinds and make sure the room is pitch black. Allow your eyes to adjust and open the pack ...
So much going on in a grain of sand.
The Physics of Sandcastles

Give a plastic bucket and a shovel to a child, then turn her loose on a beach full of sand. She'll happily toil the day away building the sandcastle to end all sandcastles. It's pure fun. It's also se ...

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