Using a composite metamaterial to deliver a complex set of instructions to a beam of light, Boston College physicists have created a device to guide electromagnetic waves around objects such as the corner of a building or ...
Optics & Photonics
Jul 31, 2009
8
0
(PhysOrg.com) -- A team of Yale University researchers has discovered a "repulsive" light force that can be used to control components on silicon microchips, meaning future nanodevices could be controlled by light rather ...
Optics & Photonics
Jul 13, 2009
10
0
(PhysOrg.com) -- The great science fiction writer Arthur C. Clarke famously noted the similarities between advanced technology and magic. This summer on the big screen, the young wizard Harry Potter will once again don his ...
General Physics
May 1, 2009
19
0
The next time an overnight snow begins to fall, take two bricks and place them side by side a few inches apart in your yard.
Optics & Photonics
Mar 15, 2009
5
0
Imaging the hot turbulence of aircraft propulsion systems may now be possible with sturdy sheets of composite materials that twist light beams, according to research led by the University of Michigan and Air Force Research ...
Nanomaterials
May 30, 2024
0
66
Both literally and figuratively, light pervades the world. It banishes darkness, conveys telecommunications signals between continents and makes visible the invisible, from faraway galaxies to the smallest bacterium. Light ...
Optics & Photonics
May 23, 2024
0
137
A new fabrication process for helical metal nanoparticles provides a simpler, cheaper way to rapidly produce a material essential for biomedical and optical devices, according to a study by University of Michigan researchers.
Nanophysics
Mar 18, 2024
0
169
Scientists are getting a more detailed look than ever before at the electrons they use in precision experiments.
General Physics
Feb 26, 2024
0
40
The European Space Agency gave the green light to two missions on Thursday, one to detect ripples in spacetime called gravitational waves and another to probe the secrets of Earth's closest neighboring planet Venus.
Space Exploration
Jan 25, 2024
0
2590
NASA on Monday announced it had used a state-of-the-art laser communication system on a spaceship 19 million miles (31 million kilometers) away from Earth—to send a high-definition cat video.
Space Exploration
Dec 19, 2023
0
217
