If you want to create a moving light source, you have a few possibilities. One is to mount a light emitter in some kind of mechanical housing—the approach used in, say, theatrical spotlights, which stagehands swivel and ...
Optics & Photonics
Jan 9, 2013
2
0
(PhysOrg.com) -- Astronomers using NASA's Spitzer Space Telescope have found a stunning burst of star formation that beams out as much infrared light as an entire galaxy. The collision of two spiral galaxies has triggered ...
Astronomy
Nov 23, 2010
15
0
(Phys.org) -- Scientists at EPFL have developed a single antenna that is capable of transmitting the same data as a two-antenna system. This achievement will be more than useful for future communication systems.
Engineering
May 11, 2012
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0
A major component of NASA's Psyche spacecraft has been delivered to the agency's Jet Propulsion Laboratory in Southern California, where the phase known as assembly, test, and launch operations is now underway. Over the next ...
Space Exploration
Mar 29, 2021
1
3309
Starting in early March, NASA's Voyager 2 will quietly coast through interstellar space without receiving commands from Earth. That's because the Voyager's primary means of communication, the Deep Space Network's 70-meter-wide ...
Space Exploration
Mar 5, 2020
0
25
Nanopores are ideally suited for threading DNA molecules through them, enabling the genetic code to be read out. Researchers from TU Delft want to make this technology even more powerful by equipping the pores with 'plasmonics'. ...
Bio & Medicine
Sep 12, 2013
0
0
Japanese scientists have developed a technique to transform a copper-based substance into a material that mimics properties of precious and pricey metals such as gold and silver. The new medium, made of copper nanoparticles ...
Nanomaterials
Apr 2, 2019
0
106
Researchers at the University of Morelos (UAEM) in Mexico have developed a dual antenna for broadcast TV with features that distinguish it from others already available worldwide. It is 11 centimeters long and 6.5 centimeters ...
Engineering
Mar 29, 2016
0
16
Almost 150 years after Charles Darwin first proposed a little-known prediction from his theory of sexual selection, researchers have found that male moths with larger antennae are better at detecting female signals.
Plants & Animals
May 26, 2017
1
251
(PhysOrg.com) -- Engineering researchers at the University of Arkansas have developed a unique and robust method to prevent cloning of passive radio frequency identification tags. The technology, based on one or more unique ...
Engineering
Nov 19, 2009
0
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