Engineering

High-energy laser weapons: How they work, what they are used for

Nations around the world are rapidly developing high-energy laser weapons for military missions on land and sea, and in the air and space. Visions of swarms of small, inexpensive drones filling the skies or skimming across ...

Engineering

Drone-zapping laser weapons now effective (and cheap) reality

A single burst of light is precisely aimed at a tiny drone flying at breakneck speed far in the distance. Instants later, the deactivated drone crashes into the sea. Not a sound made, no human casualties, no messy explosions. ...

Engineering

New invention for more efficient atomic force microscopes

The basic principle of the atomic force microscope is very simple: an extremely thin, movable tip on a cantilever is moved over a surface that is being examined. Tiny forces on an atomic scale act between the tip and the ...

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