Galaxies are not static islands of stars—they are dynamic and ever-changing, constantly on the move through the darkness of the Universe. Sometimes, as seen in this spectacular Hubble image of Arp 256, galaxies can collide ...
Astronomy
Mar 8, 2018
0
222
A metal object can be made invisible with the help of ordinary plastic, Pekka Alitalo and Constantinos Valagiannopoulos, researchers from the School of Electrical Engineering, have shown in their study.
General Physics
Oct 2, 2012
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0
Aalto University's Radio Science and Engineering researchers have developed a method that allows antennas to make the shift from the analogue to the digital world. The antennas currently in use are mostly based on technology ...
Engineering
Aug 31, 2016
3
3
There's a powerful new member of NASA's family of giant antennas that enable engineers and scientists on Earth to communicate with the growing number of spacecraft exploring our solar system.
Space Exploration
Mar 16, 2022
0
75
Globular clusters—dazzling agglomerations of up to a million ancient stars—are among the oldest objects in the universe. Though plentiful in and around many galaxies, newborn examples are vanishingly rare and the conditions ...
Astronomy
May 7, 2015
0
1218
(PhysOrg.com) -- Nippon Telegraph and Telephone Corporation (NTT) has demonstrated what might be the next version of high speed WiFi. Currently named 802.11ac, (wireless transmission traditionally uses .11 as opposed to .3 ...
(PhysOrg.com) -- NASA's versatile Mars Reconnaissance Orbiter, which began orbiting Mars five years ago tomorrow, March 10, has radically expanded our knowledge of the Red Planet and is now working overtime.
Space Exploration
Mar 10, 2011
0
0
(Phys.org) —Researchers at Georgia Institute of Technology, led by lab director Ian Akyildiz, are proposing that a graphene antenna could be built that would be capable of transferring data at the 10 to 100 terabit level. ...
(Phys.org) —The antennas in most of today's smartphones do not function efficiently in 3G and 4G/LTE wireless environments. This leads to slower download speeds, reduced voice quality, lower energy efficiency and more dropped ...
Engineering
Jan 16, 2014
1
1
For more than 60 years, scientists have been searching the cosmos for possible signs of radio transmission that would indicate the existence of extraterrestrial intelligence (ETI). In that time, the technology and methods ...
Astronomy
Apr 8, 2022
5
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