To address this challenge, Yagyu and Kuba’s team are working with Kyoto University on developing new photonic-crystal surface-emitting lasers (PCSELs), a type of laser diode. These contain a ...

The paper that described the first ever laser was incredibly short, considering the impact it would have on the world. In around 240 words and without using the word 'laser', Theodor Maiman's ...

Like a magic wand, a laser can smooth out fine lines and acne scars, vaporize birthmarks and moles, and erase those less-than-glamorous sun spots and facial hairs. Spider veins, warts, tattoos ...