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Invisible hand in invisible matter

Invisible hand in invisible matter

Space & Earth / Astronomy

created Oct 06, 2009 | popularity 4.6 / 5 (50) | comments 38

(PhysOrg.com) -- An international team of astronomers have found an unexpected link between mysterious 'dark matter' and the visible stars and gas in galaxies that could revolutionise our current understanding ...


Chinese scientists create metamaterial black hole

Chinese scientists create metamaterial black hole

Physics / Optics & Photonics

created Oct 16, 2009 | popularity 4 / 5 (56) | comments 20 weblog

(PhysOrg.com) -- Two physicists in China have used metamaterials to create the first artificial electromagnetic black hole. The scientists, Qiang Cheng and Tie Jun Cui from the Southeast University in Nanjing, ...


Violent flickering in Black Holes

Violent flickering in Black Holes

Space & Earth / Astronomy

created Oct 15, 2008 | popularity 4.7 / 5 (31) | comments 7

(PhysOrg.com) -- Unique observations of the flickering light from the surroundings of two black holes provide new insights into the colossal energy that flows at their hearts. By mapping out how well the variations ...


New 'broadband' cloaking technology simple to manufacture

New 'broadband' cloaking technology simple to manufacture

Physics / General Physics

created May 20, 2009 | popularity 4.9 / 5 (24) | comments 4

(PhysOrg.com) -- Researchers have created a new type of invisibility cloak that is simpler than previous designs and works for all colors of the visible spectrum, making it possible to cloak larger objects ...


New nanolaser key to future optical computers and technologies

New nanolaser -- spaser -- key to future optical computers and technologies

Physics / Optics & Photonics

created Aug 16, 2009 | popularity 5 / 5 (23) | comments 2

(PhysOrg.com) -- Because the new device, called a "spaser," is the first of its kind to emit visible light, it represents a critical component for possible future technologies based on "nanophotonic" circuitry, ...


Discovery of an Unexpected Boost for Solar Water-Splitting Cells

Discovery of an Unexpected Boost for Solar Water-Splitting Cells

Nanotechnology / Nanomaterials

created Apr 22, 2009 | popularity 5 / 5 (22) | comments 1

(PhysOrg.com) -- A research team from Northeastern University and the National Institute of Standards and Technology has discovered, serendipitously, that a residue of a process used to build arrays of titania ...


LEDs may help reduce skin wrinkles, researchers report

LEDs may help reduce skin wrinkles, researchers report

Chemistry /

created Oct 20, 2008 | popularity 4 / 5 (26) | comments 3

Researchers in Germany are describing a potential alternative to Botox and cosmetic surgery for easing facial wrinkles. Their study, scheduled for the November 5 issue of ACS' Crystal Growth & Design report ...


Hearts of Galaxies Close in for Cosmic Train Wreck

Galaxy Cores to Crash in a Few Million Years

Space & Earth / Astronomy

created Mar 16, 2009 | popularity 4.5 / 5 (23) | comments 3

(PhysOrg.com) -- A new image from NASA's Spitzer Space Telescope offers a rare view of an imminent collision between the cores of two merging galaxies, each powered by a black hole with millions of times the ...


A clear separation between dark and ordinary matter during a clash 5.7 billion light years from Earth

Dark matter: Physicists may have found piece of the puzzle

Physics / General Physics

created Apr 01, 2009 | popularity 3.9 / 5 (26) | comments 29

European astronomers said on Wednesday that an anomalous energy signal detected by an orbiting satellite could be a telltale of the enigmatic substance known as dark matter.


Mantis shrimps could show us the way to a better DVD

Mantis shrimps could show us the way to a better DVD

Physics / Optics & Photonics

created Oct 25, 2009 | popularity 4.9 / 5 (19) | comments 5

(PhysOrg.com) -- The remarkable eyes of a marine crustacean could inspire the next generation of DVD and CD players, according to a new study from the University of Bristol published today in Nature Photonics.


Turning metal black more than just a novelty

Physics / General Physics

created Dec 08, 2009 | popularity 4.6 / 5 (20) | 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.


Astrophysicists solve mystery in Milky Way galaxy

Astrophysicists solve mystery in Milky Way galaxy

Space & Earth / Astronomy

created Jul 09, 2009 | popularity 4.7 / 5 (19) | comments 7

A team of astrophysicists has solved a mystery that led some scientists to speculate that the distribution of certain gamma rays in our Milky Way galaxy was evidence of a form of undetectable "dark matter" ...


The Cloak

Next generation cloaking device demonstrated

Physics / General Physics

created Jan 15, 2009 | popularity 4.6 / 5 (19) | comments 10

A device that can bestow invisibility to an object by "cloaking" it from visual light is closer to reality. After being the first to demonstrate the feasibility of such a device by constructing a prototype ...


CNT Film

Transparent Carbon Nanotube Films Likely Successor to ITO for Commercial Applications

Nanotechnology / Nanomaterials

created Apr 10, 2009 | popularity 4.5 / 5 (19) | comments 12 weblog

(PhysOrg.com) -- Will the legacy of Nobel prize winner Richard Smalley finally be fulfilled? Ever since his pioneering work in the mid 1990's on the synthesis of carbon nanotubes, companies have been struggling ...


Dark Matter in a Galaxy

Dark Matter in a Galaxy

Space & Earth / Astronomy

created Oct 30, 2009 | popularity 4.1 / 5 (20) | comments 19

(PhysOrg.com) -- Stars, the most familiar objects in the night sky, make up only a tiny percentage of the total amount of matter in the universe -- about 2%.