News tagged with energetic photons

Image or mirror image? Chiral recognition by femtosecond laser

(PhysOrg.com) -- It is not always easy to distinguish between images and mirror images of molecules, but this knowledge is important when one image of a molecule is a drug and the mirror image is toxic. One ...

Chemistry / Analytical Chemistry

created Mar 09, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

EVE: Measuring the Sun's hidden variability

Every 11 years, the sun undergoes a furious upheaval. Dark sunspots burst forth from beneath the sun's surface. Explosions as powerful as a billion atomic bombs spark intense flares of high-energy radiation. ...

Space & Earth / Space Exploration

created Sep 22, 2009 | popularity 4.1 / 5 (7) | comments 0

Ghost remains after black hole eruption

NASA's Chandra X-ray Observatory has found a cosmic "ghost" lurking around a distant supermassive black hole. This is the first detection of such a high-energy apparition, and scientists think it is evidence ...

Space & Earth / Astronomy

created May 28, 2009 | popularity 4.8 / 5 (17) | comments 15




Search results for energetic photons


Beyond the high-speed hard drive: Topological insulators open a path to room-temperature spintronics

(Phys.org) -- Strange new materials experimentally identified just a few years ago are now driving research in condensed-matter physics around the world. First theorized and then discovered by researchers ...

Physics / Condensed Matter

created May 15, 2012 | popularity 4.9 / 5 (18) | comments 5 | with audio podcast

Gamma ray optics: A viable tool for a new branch of scientific discovery

Scientists at the Institut Laue-Langevin (ILL) have demonstrated for the first time that gamma rays, a highly energetic form of light produced by radioactive decay of atomic nuclei and amongst other used to ...

Physics / General Physics

created May 09, 2012 | popularity 4.3 / 5 (8) | comments 2

New design for nanoparticles that absorb low-energy light, emit high-energy light may find use in biological imaging

The light that a luminescent particle emits is usually less energetic than the light that it absorbs. Some applications require the emitted light to be more energetic, but this so-called upconversion process ...

Nanotechnology / Nanomaterials

created Apr 12, 2012 | popularity not rated yet | comments 1

Neutrons uncover new density waves in fermion liquids

Scientists working at the Institut Laue-Langevin, one of the world's leading centres for neutron science, have carried out the first investigation of two-dimensional fermion liquids using neutron scattering, and discovered ...

Physics / General Physics

created Mar 28, 2012 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Mysterious objects at the edge of the electromagnetic spectrum

The human eye is crucial to astronomy. Without the ability to see, the luminous universe of stars, planets and galaxies would be closed to us, unknown forever. Nevertheless, astronomers cannot shake their ...

Space & Earth / Astronomy

created Mar 19, 2012 | popularity 4.7 / 5 (36) | comments 71 | with audio podcast

Taking a closer look at molecular electronics

Molecules and polymers have unique electronic and optical properties suitable for use in electronic devices. These properties, however, are complex and not well understood. Charge transport, for example, is ...

Physics / General Physics

created Mar 09, 2012 | popularity 4.5 / 5 (4) | comments 0

NuSTAR's mirrors baked in Zhang's glass kitchen

(PhysOrg.com) -- It pays to persevere. No one knows this better than Will Zhang.

Space & Earth / Space Exploration

created Feb 24, 2012 | popularity 4.8 / 5 (5) | comments 2

Can solar flares hurt astronauts?

Solar flares, coronal mass ejections, high-energy photons, cosmic rays… space is full of various forms of radiation that a human wouldn’t want to be exposed to for very long. Energized particles ...

Space & Earth / Space Exploration

created Jan 24, 2012 | popularity 4.7 / 5 (3) | comments 0

The next big step toward atom-specific dynamical chemistry

(PhysOrg.com) -- For Ali Belkacem of Berkeley Lab’s Chemical Sciences Division, “What is chemistry?” is not a rhetorical question.

Chemistry / Analytical Chemistry

created Jan 06, 2012 | popularity 5 / 5 (8) | comments 0 | with audio podcast

MARSIS completes measurement campaign over Martian North Pole

(PhysOrg.com) -- The Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS) instrument on board Mars Express has recently completed a subsurface sounding campaign over the planet's North Pole. ...

Space & Earth / Space Exploration

created Dec 20, 2011 | popularity 2 / 5 (2) | comments 3


List of search results for energetic photons