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Researchers at the California Institute of Technology (Caltech) say they’ve found a way to levitate and propel objects using only light – though, for the time being, the work remains theoretical.   They hope the technique could be used for “trajectory control of ultra-light spacecraft and even laser-propelled light sails for space exploration,” according to
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Do human beings have a magnetic sense? Biologists know other animals do. They think it helps creatures including bees, turtles and birds navigate through the world. Scientists have tried to investigate whether humans belong on the list of magnetically sensitive organisms. For decades, there’s been a back-and-forth between positive reports and failures to demonstrate the
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Birth order, according to conventional wisdom, molds personality: Firstborn children, secure with their place in the family and expected to be the mature ones, grow up to be intellectual, responsible and conformist.   Younger siblings work harder to get their parents’ attention, take more risks and become creative rebels. That’s the central idea in psychologist
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Facebook just had a very bad day. Facebook, including Messenger, and Instagram users across North America experienced outages for most of Wednesday, starting in the afternoon and ending late the same night.   Third party outage sites suggested it affected users across the entire globe. The media reported it was perhaps the longest interruption ever