Fossils found in Chile are from a strange-looking dog-sized dinosaur species that had a unique slashing tail weapon, scientists reported Wednesday.
Plants & Animals
Dec 1, 2021
6
15685
A newly discovered quasicrystal that was created by the first nuclear explosion at Trinity Site, N.M., on July 16, 1945, could someday help scientists better understand illicit nuclear explosions and curb nuclear proliferation.
Materials Science
May 18, 2021
1
156
How do weapons inspectors verify that a nuclear bomb has been dismantled? An unsettling answer is: They don't, for the most part. When countries sign arms reduction pacts, they do not typically grant inspectors complete access ...
General Physics
Sep 30, 2019
5
241
The chrome plating on the Terracotta Army bronze weapons—once thought to be the earliest form of anti-rust technology—derives from a decorative varnish rather than a preservation technique, finds a new study co-led by ...
Archaeology
Apr 4, 2019
2
1000
(Phys.org)—A team of researchers with the University of Edinburgh has found evidence that the "Thames Beater" was a weapon that could be used to kill another person—perhaps at times, with a single blow to the head. In ...
A proven system for verifying that apparent nuclear weapons slated to be dismantled contained true warheads could provide a key step toward the further reduction of nuclear arms. The system would achieve this verification ...
General Physics
Jun 25, 2014
1
0
Of the many tricks used by the world's greatest military strategists, one usually works well – taking the enemy by surprise. It is an approach that goes back to the horse that brought down Troy. But surprise can only be ...
Computer Sciences
Jan 13, 2014
0
0
On the south coast of South Africa, scientists have found evidence for an advanced stone age technology dated to 71,000 years ago at Pinnacle Point near Mossel Bay. This technology, allowing projectiles to be thrown at greater ...
Archaeology
Nov 7, 2012
5
1
(PhysOrg.com) -- An infrared laser developed by Arizona company Raytheon Missile Systems has been demonstrated shooting down incoming drones over the ocean off the coast of California.
(PhysOrg.com) -- If scientists detect an asteroid headed directly for Earth - one that was large enough to pose a serious threat to life on our planet - would it be wise to bring out nuclear weapons to prevent an impact? ...
