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Volvo invented the seat belt 67 years ago; now it has improved it

​The EX60 senses a passenger’s size and weight, determining how much force to use.  Volvo provided flights from Austin, Texas, to Stockholm, Sweden, and accommodation so Ars could learn about its new seatbelt. Ars does not accept paid editorial content. With the launch of its all-new, all-electric EX60, Volvo…

Meet the mysterious electrides

These chemical oddities may explain why Earth seems to be deficient in certain elements. For close to a century, geoscientists have pondered a mystery: Where did Earth’s lighter elements go? Compared to amounts in the Sun and in some meteorites, Earth has less hydrogen, carbon, nitrogen, and sulfur, as…

Apple’s AirTag 2 is easier to find thanks to new chip

This is the first major upgrade since Apple introduced AirTags five years ago.  Apple is introducing a new version of its AirTag tracking device—simply dubbed “the new AirTag”—and claims it offers substantial improvements thanks to a new Bluetooth chip. The original AirTag came out five years ago now, and…