News tagged with frequency range


Beyond the looking glass

Beyond the looking glass...

Physics / General Physics

created Aug 13, 2009 | popularity 4.3 / 5 (15) | comments 6

While the researchers can't promise delivery to a parallel universe or a school for wizards, books like Pullman's Dark Materials and JK Rowling's Harry Potter are steps closer to reality now that researchers ...


Two-Antenna Quad-Beam 11-15 GHz Phased Array RFIC Targeted at Satellite Systems and Advanced Radars

Two-Antenna Quad-Beam 11-15 GHz Phased Array RFIC Targeted at Satellite Systems and Advanced Radars

Technology / Semiconductors

created Jul 02, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- The University of California, San Diego (UCSD) and Jazz Semiconductor, a Tower Group Company, today announced that they have collaborated to develop a two-antenna quad-beam RFIC phased array ...





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Turning metal black more than just a novelty

Physics / General Physics

created Dec 08, 2009 | popularity 4.6 / 5 (18) | comments 5

(PhysOrg.com) -- University of Rochester optics professor Chunlei Guo made headlines in the past couple of years when he changed the color of everyday metals by scouring their surfaces with precise, high-intensity laser bursts.


A see-through surprise: Scientists make solid material transparent to terahertz waves

Physics / Condensed Matter

created Dec 07, 2009 | popularity 4.6 / 5 (18) | comments 1

Very often in science, the unexpected discovery turns out to be the most significant. Rice University Professor Junichiro Kono and his team weren't looking for a breakthrough in the transmission of terahertz signals, but ...


New technology could boost disease detection tests' speed and sensitivity

New technology could boost disease detection tests' speed and sensitivity (w/ Video)

Nanotechnology / Bio & Medicine

created Dec 07, 2009 | popularity 5 / 5 (1) | comments 0

A team led by Yale University scientists has developed a way to rapidly manipulate and sort different cells in the blood using magnetizable liquids. The findings, which will be published the week of December ...


Using lasers to cool and manipulate molecules

Using lasers to cool and manipulate molecules

Physics / General Physics

created Dec 07, 2009 | popularity 5 / 5 (9) | comments 0

(PhysOrg.com) -- "For years, we have been using laser cooling to trap and manipulate atoms," David DeMille tells PhysOrg.com. "This has been very useful for both basic science and many applications. Recent ...


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 ...


Improvements in School Nutrition Have Positive Influence on Youth Eating Behaviors

Improvements in School Nutrition Have Positive Influence on Youth Eating Behaviors

Medicine & Health / Health

created Dec 03, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- When schools serve healthier, more nutritious food, students do not compensate by eating more unhealthy food at home, a new Yale University study has found. In addition, the study shows that ...


STPSat-1 successfully completes extended mission

STPSat-1 successfully completes extended mission

Space & Earth / Space Exploration

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

The STPSat-1, built for the Department of Defense (DoD) Space Test Program (STP) and operated by the DoD STP for the first year then transitioned to NRL for the last 16 months, was decommissioned on October ...


Intelligent blood bags

Intelligent blood bags

Technology / Engineering

created Dec 01, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Have the blood supplies got too warm? Do they match the patient?s blood group? In the future, these kinds of questions will be answered by intelligent radio nodes attached to blood bags. These ...


Pickin' Up Good Vibrations to Produce Green Electricity

Pickin' Up Good Vibrations to Produce Green Electricity

Technology / Engineering

created Nov 30, 2009 | popularity 4.1 / 5 (11) | comments 2

(PhysOrg.com) -- Vibrations from the environments we live and work in could be much more widely harnessed as a clean source of electricity, due to cutting-edge UK research.


Too much physical activity may lead to arthritis

Medicine & Health / Health

created Nov 30, 2009 | popularity 4 / 5 (2) | comments 0

Middle-aged men and women who engage in high levels of physical activity may be unknowingly causing damage to their knees and increasing their risk for osteoarthritis, according to a study presented today at the annual meeting ...



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