It might feel less hot and look less bright than a UV lamp, but LEDs still emit levels of UVA radiation. “Nail lamps use LED bulbs because they are long-lasting and they do not emit heat—but ...

Smart lights are an easy way to save energy while adding a little flare to your home. Get started with CNET’s top picks. Originally hailing from Troy, Ohio, Ry Crist is a writer, a text-based ...

We tested both types of bulbs with the help of Philips and its light tunnel in Aachen, Germany, monitored remotely. All bulbs were burnt in to stabilise output before being tested. The bird’s ...

IN 1947, a procedure was developed 1 for the determination of pyrimidine nucleoside in which bromination and prolonged acid hydrolysis precede the performance of Bial reaction. More recently, it ...