Black hole's heart still beating
The first confirmed heartbeat of a supermassive black hole is still going strong more than ten years after first being observed.
Astronomy
Jun 9, 2020
17
3110
News tagged with satellite signal
'Mystery' signal from space is solved. It's not aliens
Astronomers have finally solved the mystery of peculiar signals coming from a nearby star, a story that sparked intense public speculation this week that perhaps, finally, alien life had been found.
Astronomy
Jul 21, 2017
32
1034
GPS Jamming Devices Pose Many Threats (w/ Video)
(PhysOrg.com) -- The latest GPS jamming devices are now being used by car thieves in the UK to render stolen cars and trucks undetectable by law enforcement. These devices also pose a threat to airlines and US military overseas.
A giant Pac-Man to gobble up space debris
The Clean Space One Project has passed a milestone. The space cleanup satellite will deploy a conical net to capture the small SwissCube satellite before destroying it in the atmosphere. It's one of the solutions being tested ...
Space Exploration
Jul 6, 2015
2
257
US military developing geolocation system for underground
(PhysOrg.com) -- The US military is studying the feasibility of a system that could allow them to accurately navigate in enemy underground tunnels, an environment in which GPS does not work.
Chaos could improve performance of wireless communication systems
(Phys.org) —In today's wireless communication systems, the wireless signals are non-chaotic, meaning they have a well-defined period and frequency. Non-chaotic wireless signals are used in many applications, such as satellite ...
New 4G network could cause widespread GPS dead zones
(PhysOrg.com) -- If a plan to build new 4G mobile phone base stations in the US goes ahead, engineers say GPS satellite navigation systems will be seriously jammed and huge areas of the country will become GPS dead zones.
Planck: Gravitational waves remain elusive
Despite earlier reports of a possible detection, a joint analysis of data from ESA's Planck satellite and the ground-based BICEP2 and Keck Array experiments has found no conclusive evidence of primordial gravitational waves.
Astronomy
Jan 30, 2015
38
2173
Missing gamma-ray blobs shed new light on dark matter, cosmic magnetism
When astrophysicists look at the gamma-ray glow from a galaxy outside our own, all they typically see is a small spot because the galaxy is extremely far away. So, when a galaxy appears as an extended blob, something extraordinary ...
Astronomy
Oct 16, 2018
222
239
US army seeks new technology to replace GPS
The US army is working to limit its dependence on GPS by developing the next generation of navigation technology, including a tiny autonomous chip, the director of the Pentagon's research agency said Wednesday.
Telecom
Apr 25, 2013
5
2
