A gymnast can actually perform both of these types of rotation at the same time—that’s what makes the sport so interesting to watch. In physics, we would call this type of movement a “rigid body rotation.” But, clearly, humans aren’t rigid, so the mathematics to describe rotations like this can be quite complicated. For the…
Amazon failed to adequately alert more than 300,000 customers to serious risks—including death and electrocution—that US Consumer Product Safety Commission (CPSC) testing found with more than 400,000 products that third parties sold on its platform. The CPSC unanimously voted to hold Amazon legally responsible for third-party sellers’ defective products. Now, Amazon must make a CPSC-approved…
So what makes a good bath mat? Apart from laundering it regularly—and truly, this is crucial—a good bath mat should be appropriate for your climate and sensory preferences. A fluffy, high-pile shag bath mat won’t appeal to all bathers, nor will it retain its fluff if not hung to dry between bathing sessions. And in…
Keith Barry Keith Barry has been an auto reporter at Consumer Reports since 2018. He focuses on safety, technology, and the environmental impact of cars. Previously, he led home and appliance coverage at Reviewed; reported on cars for USA Today, Wired, and Car & Driver; and wrote for other publications as well. Keith earned a…