The first automobile driver ever fined for speeding was Walter Arnold in England’s Kent County, circa 1896. Arnold, a Benz dealer, got caught going approximately 8 mph, well over the 2-mph limit for ...

Radar, which stands for radio detection and ranging, has been around for almost as long as controlled flight. Robert Watson-Watt and Arnold Wilkins conducted the first experiments that led to a ...

If you wanted to check someone's pulse from across the room, for example to remotely monitor an elderly relative, how could you do it? You might think it's impossible, because common health-monitoring ...