Wearable sensors need to remain soft and conductive as the body moves, but cold weather presents a basic materials problem. Many flexible sensors use water-rich hydrogels, and when that water freezes, ...

Smart TVs increasingly behave less like traditional televisions and more like connected computers. That brings streaming ...

As more military and civilian infrastructure depends on satellites, space is becoming an increasingly important operational domain. Communications, navigation, intelligence gathering, missile warning, ...

Artificial intelligence is rapidly changing the pace of cybersecurity. Tasks that once required teams of skilled attackers ...

AI agents are increasingly being allowed to browse websites, write code and interact with external systems with limited human ...

Hypersonic vehicles create an unusually difficult navigation problem. Traveling at several times the speed of sound leaves ...

Protecting a major port from drones presents an increasingly difficult security problem. Maritime facilities cover large ...

Inspecting the underside of a ship is a difficult but important security task. Hulls can conceal structural damage, foreign ...

Modern battlefields are increasingly crowded with radio-frequency signals. Drones, aircraft, ships, communications equipment ...

Modern air-defense systems depend heavily on radar to determine which objects in the sky deserve attention. That creates an ...

Detecting extremely weak magnetic fields is useful in everything from medical imaging to industrial monitoring, but ...

Modern military operations generate enormous amounts of information. Intelligence reports, satellite imagery, drone feeds, ...