Physicists have taken a gemstone better known for engagement rings and turned it into a laboratory for one of the strangest ...
Are you preparing for UPSC CSE Prelims 2026? Do you know about Doppler weather radars? Check your progress and revise your ...
Abstract: Optical sensors, commonly used in wearable devices for pulse wave monitoring, face significant limitations such as dependency on sensor positioning and variations related to skin tone. To ...