The (evolving) art of war

In 1969, the Soviet Union moved troops and military equipment to its border with China, escalating tensions between the communist Cold War powers. In response, China created a new military strategy of "active defense" to ...

US, Russia, China race to develop hypersonic weapons

Russia and China have recently touted their progress in developing hypersonic vehicles, which fly much faster than the speed of sound, which is 767 mph. Hypersonic missiles are rocket-boosted to high altitude and may be launched ...

How to destroy an asteroid without nuking each other first

In the event of an asteroid heading to Earth and likely to cause catastrophic damage, an Armageddon-style nuclear explosion may well be our best line of defence. But would doing so lead the way to potential space-based nuclear ...

Future hypersonics could be artificially intelligent

A test launch for a hypersonic weapon—a long-range missile that flies a mile per second and faster—takes weeks of planning. So, while the U.S. and other states are racing to deploy hypersonic technologies, it remains ...

Fabrics that protect against chemical warfare agents

A new coating for textile fibers shows promise for efficiently capturing toxic industrial chemicals and chemical warfare agents under real-world conditions, including high humidity. The research could lead to improved masks ...

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