Author: The Conversation

So far, though, attempts to build supercomputer brains have not even come close. A multi-billion-dollar European project that began in 2013 is now largely understood to have failed. That effort has shifted to look more like a similar but less ambitious project in the U.S., developing new software tools for researchers to study brain data, rather than simulating a brain.

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While many people love colorful photos of landscapes, flowers or rainbows, some biomedical researchers treasure vivid images on a much smaller scale – as tiny as one-thousandth the width of a human hair. To study the micro world and help advance medical knowledge and treatments, these scientists use fluorescent nano-sized particles. Quantum dots are one type of nanoparticle, more commonly known for their use in TV screens. They’re super tiny crystals that can transport electrons. When UV light hits these semiconducting particles, they can emit light of various colors. One nanometer is one-millionth of a millimeter. RNGS Reuters/Nanosys That fluorescence allows…

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Reports of Facebook moderators’ appalling working conditions have been making headlines worldwide. Workers say they are burning out as they moderate vast flows of violent content under pressure, with vague, ever-changing guidelines. They describe unclean, dangerous contractor workplaces. Moderators battle depression, addiction, and even post-traumatic stress disorder from the endless parade of horrors they consume.

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