In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...
The rapidly-improving speed and versatility of digital computers has mostly driven analogue computers out of use in modern ...
Large protein machines in the body carry out many of the cell's most essential tasks, from energy production to the ...
If you happen to be in the market for a small artificial sun, you may be interested to know that for about $1300, you can get a tennis-ball-sized LED array that outputs 120,000 lumens.
There’s a well-known movie trope in which a hacker takes control of the traffic lights in a city, causing general mayhem or ...
Lightning formation and the conditions triggering it have long been shrouded in a cloud of mystery, but new research led by Penn State scientists is lifting the fog. Using mathematical calculations, ...
A resistor in the cloud is worth two in the hand.