News tagged with long wavelength


Galaxy Cluster A521

Ghostly glow reveals galaxy clusters in collision

Space & Earth / Astronomy

created Oct 15, 2008 | popularity 4.5 / 5 (15) | comments 1

A team of scientists, including astronomers from the Naval Research Laboratory (NRL), have detected long wavelength radio emission from a colliding, massive galaxy cluster which, surprisingly, is not detected ...





Search results for long wavelength


Miracle light: Can lasers solve the energy crisis?

Technology / Energy

created Dec 15, 2009 | popularity 4.3 / 5 (12) | comments 3

Next year will mark the 50th birthday of the laser, one of the most productive and widely used mega-inventions of the last century. Scientists hope that 2010 also will see the launch of laser technology's greatest challenge: ...


New structure could produce efficient semiconductor laser sources

New structure could produce efficient semiconductor laser sources

Physics / General Physics

created Dec 14, 2009 | popularity 4.7 / 5 (3) | comments 1

(PhysOrg.com) -- University of Wisconsin-Madison researchers have achieved a nanoscale laser structure they anticipate will produce semiconductor lasers in the next two years that are more than twice as efficient ...


Research is shattering traditioinal notions of laser limits

Research is shattering traditioinal notions of laser limits

Physics / Optics & Photonics

created Dec 07, 2009 | popularity 5 / 5 (2) | comments 1

Air Force Office of Scientific Research and National Science Foundation-funded professor, Dr. Xiang Zhang has demonstrated at the University of California, Berkeley the world's smallest semiconductor laser, ...


Fine-tuned

Fine-tuned: A wholly new approach to tuning a laser's frequency

Physics / Optics & Photonics

created Dec 04, 2009 | popularity 4.5 / 5 (10) | comments 2

(PhysOrg.com) -- For more than 30 years, scientists have been trying to harness the power of terahertz radiation. Tucked between microwaves and infrared rays on the electromagnetic spectrum, terahertz rays ...


New laser -- it's a gas, gas, gas... sensor

New laser -- it's a gas, gas, gas... sensor

Technology / Engineering

created Dec 04, 2009 | popularity 4.8 / 5 (4) | comments 0

(PhysOrg.com) -- A new generation of optical sensors is enabling the development of robust, long-lasting, lighting-fast trace gas detectors for use in a wide range of industrial, security and domestic applications.


Combining nanotubes and antibodies for breast cancer 'search and destroy' missions

Combining nanotubes and antibodies for breast cancer 'search and destroy' missions

Medicine & Health / Cancer

created Dec 02, 2009 | popularity 5 / 5 (1) | comments 0

cylinders of carbon about a nanometer in diameter -- have been highly touted for potential applications such as ultrastrong fibers, electrical wires in molecular devices, or hydrogen storage components for ...


A Tiny Cage of Gold Responds to Light, Opening to Empty Its Contents

Nanotechnology / Bio & Medicine

created Nov 19, 2009 | popularity 5 / 5 (3) | comments 0

(PhysOrg.com) -- Researchers at Washington University in St. Louis have developed a polymer-coated gold nanocage that not only opens in response to light to release a small amount of a drug payload, but then closes when the ...


SOFIA Seeks Secrets of Planetary Birth

SOFIA Seeks Secrets of Planetary Birth

Space & Earth / Space Exploration

created Nov 19, 2009 | popularity not rated yet | comments 1

You don't always have to have a rocket to do rocket science. Sometimes a mere airplane will do - that is, a mere Boeing 747 toting a 17-ton, 9-foot wide telescope named SOFIA.


Small optical force can budge nanoscale objects

Small optical force can budge nanoscale objects

Nanotechnology / Nanophysics

created Nov 17, 2009 | popularity 4.9 / 5 (14) | comments 0

(PhysOrg.com) -- Engineering researchers have used a very tiny beam of light with as little as 1 milliwatt of power to move a silicon structure up to 12 nanometers.


NASA's Great Observatories Celebrate International Year of Astronomy

NASA's Great Observatories Celebrate International Year of Astronomy

Space & Earth / Astronomy

created Nov 10, 2009 | popularity 4.3 / 5 (6) | comments 3

(PhysOrg.com) -- A never-before-seen view of the turbulent heart of our Milky Way galaxy is being unveiled by NASA on Nov. 10. This event will commemorate the 400 years since Galileo first turned his telescope ...



List of search results for long wavelength