A pulse-jet boat painted to look like a poison dart ... These engines are essentially empty pipes he makes in his garage. A spark plug is mounted on one of the empty pipes. Using a clever ...

The $349 Ultrahuman Ring Air tracks the widest variety of health metrics of any smart ring we’ve tested. The sleek and ...

Ripley comes to destroy this nest with an incredibly cool jury-rigged weapon, an M41A Pulse Rifle bolted onto ... Extending a skinny tendril, The Blob plugs the nozzle of the flamethrower mid ...

Ukraine is using a pulse jet engine to power the Trembita missile. Despite being an older, seldom-used design, these engines ...

As footage and images of what might have been the maiden flight of China’s sixth-generation fighter jet went viral on Thursday, the country’s official military media appeared to tacitly ...

China's J-36, a sixth-generation fighter jet with advanced stealth features and a tailless design, has conducted its maiden flight over Chengdu. The jet's debut coincided with significant ...

As someone who has solely flown on commercial airliners and once on a puddle jumper in Alaska, I didn't know what to expect until the jet's mounting speed on the runway pressed me back into my seat.

A Jeju Air Co. jet suffered a landing-gear malfunction on Monday before returning safely to Seoul, the airline’s second aircraft to experience the fault in two days. South Korean authorities ...

The Pulse takes you behind the doors of operating rooms, into the lab with some of the world's foremost scientists, and back in time to explore life-changing innovations. The Pulse delivers ...

How long spark plugs last varies with different cars and different types of spark plugs. Older cars often had to have their spark plugs replaced every 5,000 to 10,000 miles, while some newer cars ...

The pilot of a plane which crashed in South Korea reported a bird strike and declared mayday minutes before it went down, it has been revealed. Just two of the 181 people on board the Jeju Air ...