News tagged with light guide

A guide star lets scientists see deep into human tissue

Astronomers have a neat trick they sometimes use to compensate for the turbulence of the atmosphere that blurs images made by ground-based telescopes. They create an artificial star called a guide star and ...

Physics / Optics & Photonics

created Feb 11, 2011 | popularity 4.9 / 5 (25) | comments 10 | with audio podcast




Search results for light guide


How the zebra got its stripes

If there was a 'Just So' story for how the zebra got its stripes, I'm sure that Rudyard Kipling would have come up with an amusing and entertaining camouflage explanation. But would he have come up with the explanation that ...

Biology / Plants & Animals

created Feb 09, 2012 | popularity 4.3 / 5 (3) | comments 0

NASA small explorer mission celebrates ten years and forty thousand X-ray flares

(PhysOrg.com) -- On February 5, 2002, NASA launched what was then called the High Energy Solar Spectroscopic Imager (HESSI) into orbit. Renamed within months as the Ramaty High Energy Solar Spectroscopic Imager ...

Space & Earth / Space Exploration

created Feb 09, 2012 | popularity 4.5 / 5 (2) | comments 0

Researchers create 3-D laser maps that show how earthquake changes landscape

Geologists have a new tool to study how earthquakes change the landscape down to a few inches, and it's giving them insight into how earthquake faults behave. In the Feb. 10 issue of the journal Science, a team ...

Space & Earth / Earth Sciences

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

Building mountains in a bottle

(PhysOrg.com) -- Scientists are preparing to launch a 10-year project to study water resources, gas exchange and carbon cycling in three man-made landscapes built in a half-acre laboratory at the University ...

Space & Earth / Environment

created Feb 08, 2012 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

Molecular path from internal clock to cells controlling rest and activity revealed in new study

(PhysOrg.com) -- The molecular pathway that carries time-of-day signals from the body's internal clock to ultimately guide daily behavior is like a black box, says Amita Sehgal, PhD, the John Herr Musser Professor ...

Biology / Cell & Microbiology

created Feb 07, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

With single laser pulses on single molecules

(PhysOrg.com) -- Physicists at MPQ (Max Planck Institute) succeed in resolving the internal dynamics of individual molecules using UV femtosecond laser pulses.

Physics / General Physics

created Feb 07, 2012 | popularity 5 / 5 (1) | comments 1 | with audio podcast

New insight from whole-genome sequencing of Europe's 2011 E. coli outbreaks

Using whole-genome sequencing, a team led by researchers from Harvard School of Public Health (HSPH) and the Broad Institute has traced the path of the E. coli outbreak that sickened thousands and killed over 50 people in Ger ...

Biology / Biotechnology

created Feb 06, 2012 | popularity 4.5 / 5 (4) | comments 0 | with audio podcast

Crystalline materials enable high-speed electronic function in optical fibers

Scientists at the University of Southampton, in collaboration with Penn State University have, for the first time, embedded the high level of performance normally associated with chip-based semiconductors ...

Physics / Optics & Photonics

created Feb 05, 2012 | popularity 4.7 / 5 (14) | comments 3 | with audio podcast

New kind of high-temperature photonic crystal could someday power everything from smartphones to spacecraft

A team of MIT researchers has developed a way of making a high-temperature version of a kind of materials called photonic crystals, using metals such as tungsten or tantalum. The new materials — which ...

Physics / Optics & Photonics

created Feb 03, 2012 | popularity 4.9 / 5 (16) | comments 5 | with audio podcast

STAR TRAK for February 2012

As evening twilight fades during February, the two brightest planets, Venus and Jupiter, will highlight the sky as they come into view in the southwest.

Space & Earth / Space Exploration

created Feb 02, 2012 | popularity 5 / 5 (1) | comments 0


List of search results for light guide