Even a single night of road traffic noise, at levels that are typical of those living in a city, causes stress to the heart and blood vessels
Tim Fernholz is a journalist who writes about technology, finance and public policy. He has closely covered the rise of the private space industry and is the author of Rocket Billionaires: Elon Musk, Jeff Bezos and the New Space Race. Formerly, he was a senior reporter at Quartz, the global business news site, for more than a decade, and began his career as a political reporter in Washington, D.C.
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Finally, really small actuators made using traditional electric motors tend to get too hot for their own good at such scales – another headache.