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By Meddling With Spacetime Dimensions, We Could Finally Reach Warp Speed
Research shows that the "superluminal observer" needs three separate time dimensions for a warp-speed math trick that would please even Galileo.
The Dark Truth About the Cobalt Powering Your Smartphone
Just one nation, the Congo, has more cobalt than anywhere else on Earth combined, and the conditions in the mines are horrible, sickening entire families for poverty pay.
After 34 Years, Scientists Finally Made a Synthetic Material Nearly as Hard as Diamonds
Until now, this toughest type of carbon nitride was purely theoretical.
The Real Story Behind the Myth of Area 51, America's Most Famous Top-Secret Military Base
There might not be aliens inside, but the truth is just as interesting.
How to Use a Speed Square
This complicated-looking tool isn't just for house framing
Need to Work in the Dark? Turn to One of These Editor-Approved Rechargeable Flashlights
No more hunting for batteries in a pinch—or in the dark—with these USB-charged flashlights.
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