Earth's radio bubble, a century-old expansion of broadcast signals, now spans over 119 light-years. While these waves have ...
The Daily Galaxy on MSN
Earth’s radio bubble: How far have our signals really traveled?
The journey of Earth’s radio signals began over a century ago, following the first intentional broadcast by Reginald Aubrey ...
Abstract: Wireless cross-medium communication between underwater sensors and the outside world is a critical problem for marine exploitation. The sound-millimeter wave (mmWave)-based cross-medium ...
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