(PhysOrg.com) -- Researchers have discovered a way to capture and harness energy transmitted by such sources as radio and television transmitters, cell phone networks and satellite communications systems. By scavenging this ...
Engineering
Jul 7, 2011
14
1
Extension of cable-based telecommunication networks requires high investments in both conurbations and rural areas. Broadband data transmission via radio relay links might help to cross rivers, motorways or nature protection ...
Optics & Photonics
Oct 14, 2013
1
0
For wireless communication, we're all stuck on the same traffic-clogged highway—it's a section of the electromagnetic spectrum known as radio waves.
Nanophysics
Nov 1, 2016
0
46
(Phys.org) —Wireless networks span the globe. But like a frightened toddler, they don't go underwater.
Engineering
Oct 14, 2013
1
1
It's like using fiber optics to communicate – only without the fiber.
Telecom
Jul 3, 2015
1
169
The wireless data transmission via mobile communication is reliable and affordable. However, data volume per user is rising exponentially. Causes are not only the continuously growing number of smartphones, but also trends ...
Electronics & Semiconductors
Aug 1, 2016
0
17
The famous first image of a black hole just got two times sharper. A research team used artificial intelligence to dramatically improve upon its first image from 2019, which now shows the black hole at the center of the M87 ...
Astronomy
May 3, 2023
3
44
Fujitsu announced the development of a power amplifier using gallium nitride (GaN) High Electron Mobility Transistors (HEMT) that has achieved the world's highest output performance of 1.3W for wireless communications in ...
Electronics & Semiconductors
Oct 6, 2010
0
0
(Phys.org) —Throughout our universe, tucked inside galaxies far, far away, giant black holes are pairing up and merging. As the massive bodies dance around each other in close embraces, they send out gravitational waves ...
Astronomy
Nov 7, 2013
19
0
Visible light is just one part of the electromagnetic spectrum that astronomers use to study the universe. The James Webb Space Telescope was built to see infrared light, other space telescopes capture X-ray images, and observatories ...
Astronomy
Mar 3, 2023
0
18
