physical sciences
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Earth Is Surrounded by a 1,000-Light-Year-Wide Bubble That Cooks Up Stars
A team of astronomers has reconstructed the history of our local universe to understand the origin of the nearest stars. In a study published today in Nature, they describe an amorphous, 1,000-light-year-wide bubble ensconcing Earth that is responsible for those stars.
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You Can Just Shake This Digital Thermometer to Power It Up, No Batteries Required
In a time when taking temperatures is a required daily routine for some as part of Covid-19 safety precautions, instant-read digital thermometers are a welcome convenience — assuming you don’t pull it out of a medicine cabinet with dead batteries. The BCool’s solution to that problem is to trade batteries for a capacitor that can…
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Nine E-Bike Batteries Cause Huge NYC Apartment Fire
An apartment fire in Manhattan’s East Village has again brought the safety of e-bikes under question. While a convenient method of short-range personal travel, e-bikes have proven to be a persistent danger if not meticulously maintained.
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This Dark Matter Radio Could Tune Into New Physics
Physicists at Stanford University have built a contraption they hope will detect dark matter, though exactly which theoretical particles they think they’ll find — hidden photons or little blips called axions — is still a question mark.