The distance between the Earth and the ionosphere is only a couple of VLF wavelengths high, which forms a waveguide to confine the signals and duct them around the planet. VLF waves also penetrate ...

The idea proposed by Beadle and his colleagues is that these particles can convert into regular photons within the ionosphere, which would make them detectable using affordable antennae on Earth.

Third, and most important, once we create the waves they propagate exactly the way Tesla conceived it through the earth ionosphere waveguide. Tesla proposed that it might be possible to modify the ...

New measuring techniques will enable improved measurements of the Earth's ionosphere, a key to studying and reducing the impact of space weather. Radio signals have been used to study the density ...

NASA reminds us that the ionosphere, which stretches from 31 to 373 miles above our heads, becomes electrically charged during the day when sunlight hits the Earth, causing its energy to knock ...

SpaceX rocket launches are punching holes in part of Earth's atmosphere, called the ionosphere, and it's a beautiful sight to behold. The holes appear as bright red blobs in the sky. Some are ...

NASA's Global-scale Observations of the Limb and Disk (GOLD) mission has discovered unexpected X and C-shaped structures within Earth's ionosphere, a critical layer for radio communication.