Telecom
A team of Western Australian researchers have found a way to avoid the need to use radio transmitters in critical communications, using new technology featuring super-fast optical lasers.
Nov 9, 2022
0
669
Engineering
The US military has now shot down four high-altitude objects that had entered American and Canadian airspace, raising questions about their purpose and origin.
Feb 15, 2023
0
31
Telecom
Though satellite internet has existed for years, the competition is about to rapidly intensify, with companies planning to launch thousands of their own systems into low Earth orbit.
Apr 7, 2022
0
118
Telecom
Engineering researchers have developed a method to use signals broadcast by Starlink internet service satellites to accurately locate a position here on Earth, much like GPS does. It is the first time the Starlink system ...
Sep 23, 2021
0
254
Other
On May 11, 2020, a deadly threat flew from Los Angeles to New York City in under nine minutes. It was a 20-ton Chinese Long March 5B rocket body passing around 60 miles overhead.
Mar 30, 2023
0
24
Telecom
Amazon is so eager to get its first test satellites for its Project Kuiper internet constellation up into space that it has decided to switch rides again.
Aug 14, 2023
0
28
Electronics & Semiconductors
Low earth orbit (LEO) satellites are being increasingly used for environmental monitoring of the earth, as well as for logistic purposes, such as the navigation of maritime vessels. The data transmitted from the satellite ...
Jun 24, 2022
0
31
Hardware
Most space satellites are powered by photovoltaic cells that convert sunlight to electricity. Exposure to certain types of radiation present in orbit can damage the devices, degrading their performance and limiting their ...
Nov 8, 2022
0
70
Engineering
Modern telecommunication systems rely on satellites to relay signals across the globe quickly and reliably, enabling users to send messages across the world in an instant, watch live television, or—more recently—hold ...
Feb 11, 2021
0
18
Engineering
Space junk is as bothersome as it sounds. "Space exploration hasn't been on for long, but humanity has already managed to turn near-Earth space into a miniature junk yard for satellites," said a Russian team. These days, ...
