The Army is developing a lightweight, mobile air defense system to protect light infantry from drones and aircraft in fast-moving battles.
With a new lab-based experiment, researchers in the UK and France have recreated the characteristic cascades of energy and angular momentum that underpin key features of Earth's atmosphere. Reporting ...
As Solar Cycle 25 peaks, learn how increased sunspots and ionospheric ionization are boosting shortwave radio propagation.
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