Light-fingered

2019-03-07 10:12:04

False fingernails that glow when you use your cellphone have been developed in Japan. The optical nails—called optils—are aimed at teenagers who want to look cool while phoning their friends, according to The Nikkei Weekly. A red or blue LED in the tip of the stick-on nail has a short antenna hidden inside it. When the cellphone is in use, the antenna’s electromagnetic field induces enough current to light up the LED. The manufacturer, Sunshine of Ube,