Researchers have built a new platform that produces ultrashort UV-C laser pulses and detects them at room temperature using ...

"I built each of these machines," the man said, noting, "if I bought them, they'd cost over a quarter-million to buy." ...

I love how flashlights have evolved in the past decade with powerful LEDs, lithium-ion batteries and USB-C charging, and ...

Improving your indoor air quality can reduce your COVID and flu risk, lower your cancer and lung disease risk, and eliminate ...