Engineers reveal cause of key sodium-ion battery flaw

Cornell researchers have uncovered the source of a persistent problem limiting the durability of sodium-ion batteries, providing manufacturers with new strategies for powering the 21st century. Sodium-ion batteries are a promising technology for electric vehicles, the energy grid and other applications because they are made from abundant materials that are energy dense, nonflammable and operate […]

Best Buy Needs to Quit This Nonsense

In case attempting to buy a graphics card at or near retail prices hasn’t been demoralizing enough, Best Buy is here to kick us while we’re down. The retailer is exploiting the ongoing supply shortage and our resulting desperation to force customers into paying another $200 for a shot at buying a graphics card. We […]

You Already Need to Update Safari Again

Last month, we warned you about a major security flaw affecting Apple’s Safari browser. This flaw potentially allowed hackers on one website to steal your personal information from other open sites, which is, you know, bad. After months of delay, Apple finally patched this gaping security breach, just in time for another to poke through […]

Tag Heuer’s new Connected Calibre E4 offers better specs and a sleek, smaller 42mm model

Tag Heuer has officially debuted its fourth-generation of luxury Wear OS-powered smartwatches, the Connected Calibre E4 series, offering a faster and more powerful processor, longer battery life, an improved displays, and additional software features. Tag Heuer is also bringing back the smaller 42mm size alongside the “standard” 45mm version, which the company didn’t offer back […]

Scaling up battery production drives down carbon emissions significantly

A common criticism of electric vehicle production is the high carbon emissions from battery production. But new research from Chalmers University of Technology in Sweden shows how scaling up production through enormous “gigafactories” can cut the environmental impact significantly, compared to small-scale industrial production. And when the energy used to power the factories comes from […]