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It may sound like a plot twist out of a science fiction novel, but researchers have detected mysterious radio signals coming ...
The complex scenarios along the railway affect radio wave coverage, and stable radio waves have a significant impact on public mobile communication. In this paper, the scenario contains free space and ...
WITH the introduction of radio waves a few metres in wave-length in the years before the Second World War, and of centimetric waves during the War, entirely new meteorological effects on ...
Astronomers detect 10 billion-year-old radio waves from a distant galaxy cluster SpARCS1049, revealing a mini-halo that suggests black holes or cosmic collisions energize galaxies.
Astronomers detect 10 billion-year-old radio waves from a distant galaxy cluster SpARCS1049, revealing a mini-halo that suggests black holes or cosmic collisions energize galaxies.
NASA satellite emits 'spark' decades after going dormant: Astronomers think they know why Source of the radio waves was tracked to a location that matches that of NASA’s defunct Relay 2 ...
Mountains, sub-glacial lakes, hidden valleys, even remnants of lost civilizations: what lies under Antarctica’s vast 2,000-metre thick ice sheet has long been a mystery akin to the depths of the ...
A mysterious and powerful blast of radio waves detected last year, suspected to originate far beyond the Milky Way came from a long-dead NASA spacecraft in Earth's orbit.
Propagation of electromagnetic waves in forest environments at medium and high (1-100 MHz) frequencies is examined for the case where both the transmitting and receiving points are situated within the ...
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