Shares of companies like KEI Industries, Havells and Polycab tanked up to 15 per cent on the BSE. In comparison, the benchmark BSE Sensex Index was up 442 points or 0.59 per cent at 75,894 level ...

Physicists have created the tiniest light-emitting diode (LED) displays ever 1. The image above was shown on a monochromatic display with pixels less than 100 micrometres across, about the width ...

Previously restricted to the four walls of a facialist’s clinic, LED face masks have now fully broken into the mainstream, with an increasing array of skin-tech brands offering at-home light ...