Taking care of your hands is essential to keep them looking young, soft, and healthy. Our hands are often exposed to elements like the sun, cold weather, cleaning products, and constant washing ...

Wearing two face masks is only slightly better at stopping droplets from a cough from escaping than properly wearing one mask, a simulation by the world’s fastest supercomputer showed.

This is called a “colorless” design flow. The alternative is a two-color flow, in which the designer tapes out two masks, choosing one of several decomposition options. Of course, there are trade-offs ...