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 ...

Energy & Green Tech

Why public policy must adjust to new energy source preference

Support for renewable energy sources such as solar and wind is linked to a belief that climate change will be catastrophic, while supporters of nuclear power tend to be less concerned about climate risks, says a study from ...

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