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If your approved solar eclipse glasses didn't come in time or stores near you are sold out, it's not too late to safely see the eclipse. Using items you can find around the house, you can make a pinhole projector, which allows you to see a reflected image of the event. While eclipse glasses filter out light, the pinhole camera projects the light from the sun onto another surface, so you're looking at a reflected image instead of directly at the sun.
Everyone watching the US solar eclipse today (Aug. 21) was warned again and again: Wear certified protective glasses. But if you forgot to buy glasses, or you left them at home, or your name is Donald Trump, then it was near-impossible to ignore the temptation of staring directly at the sun. (And if you did,…
People across the country are counting down the hours until the total solar eclipse will arc across the continental United States for the first time in decades. What is it?A total solar eclipse is when the moon moves between the sun and Earth, lasting for nearly three hours from beginning to end, according to NASA. Retired NASA astrophysicist and photographer Fred Espenak said the experience usually lasts for just a few minutes, but it's truly out of this world.
By Jeremy Wagstaff SINGAPORE (Reuters) - Researchers who warned half a dozen robot manufacturers in January about nearly 50 vulnerabilities in their home, business and industrial robots, say only a few of the problems have been addressed. The researchers, Cesar Cerrudo and Lucas Apa of cybersecurity firm IOActive, said the vulnerabilities would allow hackers to spy on users, disable safety features and make robots lurch and move violently, putting users and bystanders in danger. While they say there are no signs that hackers have exploited the vulnerabilities, they say the fact that the robots were hacked so easily and the manufacturers' lack of response raise questions about allowing robots in homes, offices and factories.
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