Hi Tech & Innovation

Project brings quantum internet closer to reality

A U.S. Army research result brings the quantum internet a step closer. Such an internet could offer the military security, sensing and timekeeping capabilities not possible with traditional networking approaches.

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

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 ...

Engineering

Creating a perfect trap for light

Whether in photosynthesis or in a photovoltaic system: If you want to use light efficiently, you have to absorb it as completely as possible. However, this is difficult if the absorption is to take place in a thin layer of ...

Engineering

Additive manufacturing: Simulated from start to finish

Additive manufacturing of tools using a laser powder bed fusion process offers a great number of advantages: It is economical, precise and allows for customized solutions. That said, it can be difficult to determine the optimal ...

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