News tagged with lighting systems

How engineers revamped Spitzer to probe exoplanets

(Phys.org) —Now approaching its 10th anniversary, NASA's Spitzer Space Telescope has evolved into a premier observatory for an endeavor not envisioned in its original design: the study of worlds around ...

Sep 25, 2013
4.9 / 5 (14) 1 | with audio podcast

Tiny dust particles in the solar system

(Phys.org) —In our solar system, dust particles are abundant, created by asteroid collisions and by the evaporation of comets. These particles are the source of the zodiacal light, a diffuse glow in the ...

Sep 09, 2013
5 / 5 (6) 4 | with audio podcast

Free-floating planets may be born free

Tiny, round, cold clouds in space have all the right characteristics to form planets with no parent star. New observations, made with Chalmers University of Technology telescopes, show that not all free-floating ...

Aug 19, 2013
5 / 5 (21) 13 | with audio podcast

Researchers use nanoparticles to fight cancer

Researchers at the University of Georgia are developing a new treatment technique that uses nanoparticles to reprogram immune cells so they are able to recognize and attack cancer. The findings were published ...

Aug 14, 2013
5 / 5 (10) 0 | with audio podcast

Spitzer discovers young stars with a 'hula hoop'

(Phys.org) —Astronomers using NASA's Spitzer Space Telescope have spotted a young stellar system that "blinks" every 93 days. Called YLW 16A, the system likely consists of three developing stars, two of ...

Jul 31, 2013
4.3 / 5 (6) 0 | with audio podcast

Pushing microscopy beyond standard limits

Engineers at the California Institute of Technology (Caltech) have devised a method to convert a relatively inexpensive conventional microscope into a billion-pixel imaging system that significantly outperforms ...

Jul 29, 2013
4.6 / 5 (16) 0 | with audio podcast

New test bed probes the origin of pulses at LCLS

It all comes down to one tiny spot on a diamond-cut, highly pure copper plate. That's where every X-ray laser pulse at SLAC's Linac Coherent Light Source gets its start. That tiny spot must be close to perfect or it can impair ...

Jul 24, 2013
3 / 5 (2) 0 | with audio podcast

The color of the ocean: The SABIA-Mar mission

By monitoring the color changes in the ocean, such as those caused by photosynthetic pigments in phytoplankton, scientists learn more about the overall health and functioning of our planet. Such studies also ...

Jul 16, 2013
not rated yet 0

True colour of exoplanet measured for the first time

(Phys.org) —Astronomers using the NASA/ESA Hubble Space Telescope have, for the first time, determined the true colour of a planet orbiting another star. If seen up close this planet, known as HD 189733b, ...

Jul 11, 2013
4.8 / 5 (23) 9 | with audio podcast