(Phys.org)—A team of scientists from Scotland and the Czech Republic has created a real-life "tractor" beam, as featured in the Star Trek movies, which for the first time allows a beam of light to attract objects.
General Physics
Jan 25, 2013
18
0
(Phys.org)—The hand-held scanners, or tricorders, of the Star Trek movies and television series are one step closer to reality now that a University of Missouri engineering team has invented a compact source of X-rays and ...
Plasma Physics
Jan 8, 2013
0
0
A blazar is a galaxy with an intensely bright central nucleus containing a supermassive black hole, much like a quasar. The difference is that a blazar can emit light with extremely high energy gamma rays that are sometimes ...
Astronomy
Oct 29, 2012
1
3
(Phys.org)—A dying star is refusing to go quietly into the night, as seen in this combined infrared and ultraviolet view from NASA's Spitzer Space Telescope and the Galaxy Evolution Explorer (GALEX), which NASA has lent ...
Astronomy
Oct 4, 2012
2
0
One reason that solar energy has not been widely adopted is because light absorbing materials are not durable. Materials that harvest solar radiation for energy often overheat or degrade over time; this reduces their viability ...
Nanomaterials
Aug 23, 2012
1
0
The world's strongest neutron beam is produced by a scientific instrument at the research neutron source FRM II (Forschungs-Neutronenquelle Heinz Maier-Leibnitz) at the Technischen Universitaet Muenchen (TUM). But that is ...
General Physics
Feb 13, 2012
1
0
(PhysOrg.com) -- Conversion to renewable energy sources like wind and sun is only a question of time. Because wind and solar radiation vary in strength, the increase in renewable energy sources will cause significant fluctuations ...
Nanomaterials
Jun 7, 2011
0
0
As the nation's nuclear weapons are aging (think the beginning of the Cold War), the U.S. government is turning to researchers and scientists at universities such as UC San Diego to figure out safe and reliable ways to estimate ...
General Physics
Aug 31, 2009
1
0
(PhysOrg.com) -- A team of Brookhaven and Argonne National Laboratory researchers has demonstrated a reliable path for sculpting an intricate x-ray focusing lens out of diamond. Their technique, which was published in the ...
Nanophysics
Aug 3, 2009
2
0
A new study shows that annual carbon emissions from lakes in the Qingzang Plateau (QZP)—a vast elevated plateau at the intersection of Central, South, and East Asia—have declined, with some lakes shifting from carbon ...
Earth Sciences
Feb 2, 2024
0
1
