Today's pretty space pic, of the dark, cloudy center of the Omega Nebula, strikes our fancy due to its ominous scratchiness, like a beautiful cerulean and red painting marred by handfuls of dirt scraped across its surface. The nebula is about 5,000 light-years away, and is a famous star-forming region--those individual little dots glowing through the haze are young stars. See more pretty space pics here. [via APOD]
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.


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