Star’s extreme proximity to Sagittarius A* means it could open new window onto black hole’s fundamental properties Astronomers have detected the fastest known star in the Milky Way, hurtling around the supermassive black hole at the heart of the galaxy. The star, called S301, travels at about 25,000km (15,500 miles) per second, 100,000 times faster than a commercial plane. It is also the closest known star to the Milky Way’s central black hole, Sagittarius A*, approaching it around the distance of Saturn to the Sun. Continue reading... from The Guardian https://ift.tt/NGtUWuq via IFTTT
San Bruno officers pull over Waymo but say a ticket wasn’t issued, as ‘our citation books don’t have a box for “robot”’
If a driver makes an illegal U-turn, but no one is behind the wheel, does the car still get a ticket? A police department in California grappled with this existential question last week.
During a DUI enforcement operation, officers in San Bruno pulled over a car without anyone behind the wheel after the autonomous vehicle made an illegal U-turn at a light. A post by the San Bruno police department on Saturday shows an officer looking into a Waymo – the leading autonomous ride-hailing vehicle in the San Francisco Bay Area – after stopping the signature white car.
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