Conventional lithium-ion batteries contain problematic substances such as nickel and cobalt, and the solvents used to coat the electrode materials are also toxic. Conventional lithium-ion batteries ...

Conventional lithium-ion batteries contain problematic substances such as nickel and cobalt, and the solvents used to coat the electrode materials are also toxic. Materials scientists at Saarland ...

Scientists have built a new a lithium-ion (Li-ion) battery anode that incorporates iron oxide, the main component of rust, into microscopic, porous hollow carbon structures, and can improve battery ...

You might love the motivating tempo for workouts or the cadent call for calm that a smartwatch heart rate monitor provides. But when it’s time for an upgrade, what ...

The pursuit of high-energy-density batteries is often limited by slurry-based processing, because thicker electrodes suffer from reaction heterogeneity. Now, by molecularly engineering the ...

Whether you're a traveling exec, a gamer, or a graphic designer, a portable second monitor can add an extra dimension to your work or play. We've tested most of the major models. Check out our top ...

Self-storage REITs adjust rents frequently due to short-term leases, enhancing their ability to quickly capture market rent growth. These REITs face risks from economic downturns and oversupply, which ...

In his decades-long career in tech journalism, Dennis has written about nearly every type of hardware and software. He was a founding editor of Ziff Davis’ Computer Select in the 1990s, senior ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

An afterthought by many brands over the last decade, accurate stress-tracking wearables with useful features and insights are finally here. Household-name smartwatches and fitness trackers aren’t the ...

Graphics Cards Best graphics cards in 2026: I've tested pretty much every AMD and Nvidia GPU of the past 20 years and these are today's top cards Gaming Monitors Now just $350, this 27-inch 1440p OLED ...