Long ago, about 400,000 years after the beginning of the universe (the Big Bang), the universe was dark. There were no stars or galaxies, and the universe was filled primarily with neutral hydrogen gas.
Astronomy
Feb 28, 2018
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1225
Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences have made the world's smallest radio receiver - built out of an assembly of atomic-scale defects in pink diamonds.
General Physics
Dec 16, 2016
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Researchers have used the latest wireless technology to develop a new radio receiver for astronomy. The receiver is capable of capturing radio waves at frequencies over a range several times wider than conventional ones, ...
Astronomy
Jul 8, 2021
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189
The Atacama Large Millimeter/submillimeter Array (ALMA) has tuned in another new channel for signals from space. Using its highest frequency receivers yet, researchers obtained 695 radio signatures for various molecules, ...
Astronomy
Nov 22, 2018
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268
To accelerate the pace of discovery and exploration of the cosmos, a multi-institution team of astronomers and engineers has developed a new and improved version of an unconventional radio-astronomy imaging system known as ...
Astronomy
May 1, 2018
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153
Tomorrow at MALCON 2014, security researcher Mordechai Guri with guidance of Prof. Yuval Elovici from the cyber security labs at Ben Gurion University in Israel will present a breakthrough method ("AirHopper) for leaking ...
Security
Oct 29, 2014
13
0
(Phys.org)—"Last winter, I fantasized about sitting at my computer while a camera-equipped drone followed him overhead." That is the revelation of a father who provides a detailed account of building an Arduino-based ...
Small, low-cost sensors developed by space scientists at The University of Texas at Dallas to study the Earth's upper atmosphere recently—and unexpectedly—provided information about the sun, something the devices were ...
Planetary Sciences
Apr 4, 2024
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1
Constructed within a natural sinkhole in Puerto Rico, the 305-meter-wide Arecibo Telescope played a part in numerous discoveries, including the first detection of an exoplanet. It was the largest radio telescope in the United ...
Astronomy
Mar 29, 2024
2
70
Solar eclipses can have a noticeable impact on the structure and dynamics of Earth's upper atmosphere—the ionosphere. This is primarily due to the sudden reduction in solar radiation reaching the Earth's atmosphere during ...
Planetary Sciences
Sep 26, 2023
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