Observations made with a new instrument developed for use at the 2.1-meter (84-inch) telescope at the National Science Foundation's Kitt Peak National Observatory have led to the discovery of the fastest eclipsing white dwarf ...
Astronomy
Jul 24, 2019
8
404
An international team of researchers has found evidence of a ridge of radio emissions joining two galaxy clusters. In their paper published in the journal Science, the group describes their find and how it fits into cosmological ...
Global climate change has strongly increased the worldwide frequency of extreme heat (EH) in recent decades. South Korea and southern-central Japan are also frequently affected by extreme heat, and the extreme heat in these ...
Earth Sciences
May 13, 2019
0
7
The sonar system of bats exploits spatial information in a way similar to our sense of sight, despite the different anatomy of eyes and ears. In a new study, scientists at the Max Planck Institute for Ornithology in Seewiesen ...
Plants & Animals
Apr 24, 2019
0
22
Future high-speed communication networks based on millimeter-wave (30-300GHz) technology will be more robust and efficient in delivering extremely high speed, high quality video, and multimedia content and services thanks ...
Telecom
Apr 23, 2019
0
19
No one has a firm grasp on the dimensions and activity of the lowest part of our upper atmosphere, known as the ionospheric D region, because it's literally a moving target. Located 40 to 60 miles above the Earth's surface, ...
Earth Sciences
Apr 5, 2019
0
160
Sometimes kids ask really simple questions – and parents have no idea what the answers are. When one of our colleagues was asked what it sounds like on the planet Uranus, she was stumped. And so were we! So we asked an ...
Space Exploration
Apr 2, 2019
3
29
Researchers at Duke University have discovered that a perfect absorber of electromagnetic waves they described in a 2017 paper can easily be tweaked into a sort of "time-reversed laser" known as a coherent perfect absorber ...
Optics & Photonics
Feb 15, 2019
2
832
Traveling ionospheric disturbances (TIDs) are among the Earth's ionosphere irregularities. They represent wave-like electron density structures propagating in the ionosphere. The motion of TIDs modulates the electron density ...
Earth Sciences
Jan 3, 2019
0
50
Fast magnetoacoustic wave trains are a promising seismological probe of the sun's corona, revealing the magnetic connectivity and providing an estimation of the absolute value of the coronal magnetic field. Low-frequency ...
Astronomy
Dec 4, 2018
0
20
