Feeling like a game of catch, but the sun's gone down? Try out this DIY ball filled with LEDs. They light up randomly as the ball is shaken up, like a bunch of angry fireflies trapped in a globe.
Light Up A Game Of Toss With An LED Ball
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Video. Mark Ruffalo wasn’t joking.
The mere fact that we live in a universe boggles my mind every once in a while. But thankfully, our cosmic home is a place that follows rules; the laws of physics seem to agree everywhere, and galaxies are uniformly distributed throughout. Except for in this 300-million-light-year-long region, which seems to be missing something.