News tagged with optical antennas


Can a single molecule behave as a mirror?

Nanotechnology / Nanophysics

created Nov 18, 2008 | popularity 4.4 / 5 (59) | comments 7

(PhysOrg.com) -- “We have shown for the first time, theoretically, that a single molecule can behave as a perfect mirror,” Mario Agio tells PhysOrg.com. “Imagine that your mirror at home becomes a single molecule and that y ...





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Steering the Ares Rockets on a Straight Path

Steering the Ares Rockets on a Straight Path

Space & Earth / Space Exploration

created 17 hours ago | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- The Ares I-X rocket stood more than 325 feet tall on the launch pad at NASA's Kennedy Space Center, Fla. Spectators watched in awe as its massive solid rocket motor blazed to life with a thunderous ...


Studying a Star Before it is Born

Studying a Star Before it is Born

Space & Earth / Astronomy

created 17 hours ago | popularity 4.7 / 5 (3) | comments 1

(PhysOrg.com) -- The first phase of a star's formation are thought to begin deep inside a natal cloud of gas and dust. In the earliest stages, material coalesces under the influence of gravity into so-called ...


Fine-tuned

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

Physics / Optics & Photonics

created 20 hours ago | popularity 4.8 / 5 (6) | comments 1

(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 21 hours ago | popularity 4.7 / 5 (3) | 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.


Nature's fine designs: Scientists find modern lessons in ancient creations

Nature's fine designs: Scientists find modern lessons in ancient creations

Biology / Other

created 23 hours ago | popularity 4.5 / 5 (4) | comments 0

(PhysOrg.com) -- Nature and its bottom-up processes for creating robust and responsive materials are inspiring new generations of synthetic materials and creative design.


Lifelong memories linked to stable nerve connections

Lifelong memories linked to stable nerve connections

Medicine & Health / Neuroscience

created Dec 03, 2009 | popularity 5 / 5 (1) | comments 0

Our ability to learn new information and adapt to changes in our daily environment, as well as to retain lifelong memories, appears to lie in the minute junctions where nerve cells communicate, according to ...


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 ...


A Superbright Supernova That’s the First of Its Kind

A Superbright Supernova That’s the First of Its Kind

Space & Earth / Astronomy

created Dec 02, 2009 | popularity 4.7 / 5 (24) | comments 6

(PhysOrg.com) -- An extraordinarily bright, extraordinarily long-lasting supernova named SN 2007bi, snagged in a search by a robotic telescope, turns out to be the first example of the kind of stars that first ...


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 ...


Researchers Identify Key Molecules in Photosynthesis

Researchers Identify Key Molecules in Photosynthesis

Chemistry / Biochemistry

created Dec 02, 2009 | popularity 5 / 5 (8) | comments 0

(PhysOrg.com) -- Chemistry professor Harry Frank led an international group of researchers that identified the molecules in algae which direct the organisms to convert sunlight into oxygen. The findings may ...



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