After Concorde, a long road back to supersonic air travel

When Chuck Yeager reached Mach 1 on October 14, 1947, the entire frame of his Bell X-1 aircraft suddenly started to shake, and the controls went. A crew observing the flight in a van on the ground reported hearing something like a distant, rolling thunder.

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New App Points You Toward the Milky Way's Supermassive Black Hole

If you want to stay grounded—which is to say, you want a haunting reminder of your own diminutive size and mortality—do I have the tool for you. Meet Galactic Compass: an app which will point the user towards the whopping black hole at the center of our galaxy, Sagittarius A*.

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Facebook to remove the News tab in US and Australia as company shifts its focus

What just happened? Facebook, the social media site that once put as much emphasis on news as it did on its users, will lose its News tab in the US and Australia this April.

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