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Scoop.it!
From
phys
Black holes are extremely powerful and efficient engines that not only swallow up matter, but also return a lot of energy to the Universe in exchange for the mass they eat. 
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Scoop.it!
Conspiracy theories are tempting. There is something especially charming about a forged moon landing or government-backed assassination. Christopher Hitchens called them “the exhaust fumes of democracy.” Maybe he’s right: cognitive biases, after all, feast on easy access to information and free speech.
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Some say that the reason you can't travel faster than light is that your mass will increase as your speed approaches light speed – so, regardless of how much energy your star drive can generate, you reach a point where no amount of energy can...
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After MIT researchers fine-tune software that can read human facial expressions for emotion, the next step will be to apply the technology to crowds of millions of people to get a feeling for a population's general mood.
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As the media spotlight shines on the Large Hadron Collider in Geneva and its high-profile hunt for a certain boson, other scientists are pressing forward with experiments that are just as challenging — and just as potentially transformative. These often unsung researchers are willing to spend years or even decades getting a finicky instrument to run smoothly; setting up proper controls to minimize spurious results; beating back noise that threatens to swamp their signal; and striving for an ever more painstaking level of precision — a determination and single-mindedness that borders on heroic. Here, Nature describes five such quests.
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The Higgs boson walks into a church, the priest says "You can't be in here!" The Higgs boson says "But you can't have mass without me..." (Joke courtesy of @HegeTunstad via my mate @Barstein .
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