Scanning a heart rate sans wearable is exciting, especially considering that it can be done with a low-power, low-cost device like the Raspberry Pi. The latest generation of the Raspberry Pi is the Pi ...

Heart rate monitoring has been a mainstay of health and fitness, and while the stethoscope has given way to more precise electronic measuring devices, they've always involved wires and straps, or, in ...

Physicists are now using principles from quantum mechanics to build a new model of the abstract concept of pi. Or, more ...