Until recently, gravitational waves could have been a figment of Einstein’s imagination. Before they were detected, these ripples in spacetime existed only in the physicist’s general theory of ...

‌Your brain is constantly at work, performing processes like thinking, concentrating, remembering, and more. During these activities, your brain cells constantly communicate with each other. This ...

The National Institute of Standards and Technology (NIST) has unveiled a method for calibrating entire waveforms—graphical shapes showing how electrical signals vary over time—rather than just parts ...