Navy test fires electromagnetic cannon
The US Navy announced a successful test Friday of an electromagnetic cannon capable of firing a projectile 110 nautical miles (200 kilometers) at five times the speed of sound.
The US Navy announced a successful test Friday of an electromagnetic cannon capable of firing a projectile 110 nautical miles (200 kilometers) at five times the speed of sound.
Engineering
Dec 10, 2010
120
0
In February of 2013, skywatchers around the world turned their attention toward asteroid 2012 DA14, a cosmic rock about 150 feet (50 meters) in diameter that was going to fly closer to Earth than the spacecraft that bring ...
Space Exploration
Oct 13, 2021
9
869
South Korean boffins carried home the $2 million top prize Saturday after their robot triumphed in a disaster-response challenge inspired by the 2011 Fukushima nuclear meltdown in Japan.
Robotics
Jun 7, 2015
11
2076
There is an urgent need for the UK and allies like the U.S. and Australia to give clearer information about how they would respond in self-defense to "imminent" armed attacks, a new study says.
Political science
Jul 13, 2022
1
11
Emissions of methane from the industrial sector have been vastly underestimated, researchers from Cornell and Environmental Defense Fund have found.
Environment
Jun 7, 2019
16
5940
In the 1998 Hollywood blockbuster "Armageddon," Bruce Willis and Ben Affleck race to save the Earth from being pulverized by an asteroid.
Space Exploration
Nov 4, 2021
0
3244
After months of delays, the U.S. Air Force is about to launch the first of a new generation of GPS satellites, designed to be more accurate, secure and versatile.
Space Exploration
Dec 17, 2018
0
544
(PhysOrg.com) -- The Defense Advanced Research Projects Agency (DARPA) announced this week that it will be setting aside $7 million out of its $2 billion budget to work on a next-step robotics program called Avatar. Beyond ...
Female giant African pouched rats, used for sniffing out landmines and detecting tuberculosis, can undergo astounding reproductive organ transformations, according to a new study.
Plants & Animals
Mar 27, 2023
1
226
An unmanned glider streaks over the Pacific Ocean at 20 times the speed of sound in a video released Thursday by a U.S. defense research agency experimenting with technology that could give the military the ability to strike ...
Engineering
Aug 25, 2011
66
0