For an ultra-thin smash-burger patty, don’t be afraid to give it a good smash; the thinner the patty, the better it’ll brown and unlock its umami. One of my decked-out smash burgers.

AlGaN-based deep ultra-violet (DUV) LEDs, which emit in the 200–280 nm range, hold great promise for applications in water and air purification, sterilization, and medical diagnostics while light ...