Lithium-ion battery fires can be intense and frightening. As someone who used to repair second-hand smartphones, I’ve extinguished my fair share of flaming iPhones with punctured lithium-ion batteries. And the type of smartphone battery in your pocket right now, is similar to what’s inside of electric vehicles. Except, the EV battery stores way more energy—so…
The Democratic National Convention organizers really rolled out the blue carpet for influencers this year. Today on the show, WIRED senior reporter Makena Kelly joins from Chicago to talk about the Democrats’ strategy of favoring creators over journalists, and whether it will help them win votes. Plus, behind the scenes at the influencer after-parties. Leah…
Interestingly, the two SUVs have slightly different dimensions. The ZDX is 6 inches longer than the Prologue (198 vs. 192), but the wheelbase is the same, so that extra length hasn’t resulted in a roomier interior. Going by our measurements, the ZDX is heavier, with the all-wheel-drive A-Spec coming in at 5,790 pounds while the…
To better identify and explain firmness, we measure it by applying a load to the mattresses that gradually increases to 1,000 newtons, or 225 pounds. While that load is increasing, we plot the curve of the mattress’s deflection. The deflection at key points on this curve is then analyzed to determine a value that we then…
There are numerous ones on the market, though, and they don’t all provide equal benefits. CR’s in-house ergonomics specialist Dana Keester and Paul Ritchey, DrPH, CR’s in-house certified professional ergonomist, evaluated 12 popular wrist rests from brands such as DeltaHub, Kensington, and Reloot and scored them based on ergonomic design (how well the wrist rest…