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News tagged with spheres

Spacetime May Have Fractal Properties on a Quantum Scale

(PhysOrg.com) -- Usually, we think of spacetime as being four-dimensional, with three dimensions of space and one dimension of time. However, this Euclidean perspective is just one of many possible multi-dimensional ...

Physics / Quantum Physics

created Mar 25, 2009 | popularity 4.7 / 5 (57) | comments 40 feature

Researchers investigate mysterious stone spheres in Costa Rica

The ancient stone spheres of Costa Rica were made world-famous by the opening sequence of "Raiders of the Lost Ark," when a mockup of one of the mysterious relics nearly crushed Indiana Jones.

Other Sciences / Archaeology & Fossils

created Mar 22, 2010 | popularity 4.2 / 5 (20) | comments 19 | with audio podcast

New 3-D photonic crystal has both electronic, optical properties

In an advance that could open new avenues for solar cells, lasers, metamaterials and more, researchers at the University of Illinois have demonstrated the first optoelectronically active 3-D photonic crystal.

Chemistry / Materials Science

created Jul 24, 2011 | popularity 5 / 5 (15) | comments 4 | with audio podcast

Spitzer finds solid buckyballs in space

(PhysOrg.com) -- Astronomers using data from NASA's Spitzer Space Telescope have, for the first time, discovered buckyballs in a solid form in space. Prior to this discovery, the microscopic carbon spheres ...

Space & Earth / Astronomy

created Feb 22, 2012 | popularity 4.7 / 5 (15) | comments 13 | with audio podcast

Physicist makes new high-res panorama of Milky Way

Cobbling together 3000 individual photographs, a physicist has made a new high-resolution panoramic image of the full night sky, with the Milky Way galaxy as its centerpiece. Axel Mellinger, a professor at ...

Space & Earth / Astronomy

created Oct 28, 2009 | popularity 4.6 / 5 (14) | comments 3

Glass that cleans itself

Eyeglasses need never again to be cleaned, and dirty windscreens are a thing of the past! Researchers at the Max Planck Institute for Polymer Research in Mainz and the Technical University Darmstadt are now ...

Nanotechnology / Nanomaterials

created Dec 07, 2011 | popularity 4.7 / 5 (10) | comments 4

Hollow spheres made of metal

Producing metallic hollow spheres is complicated: It has not yet been possible to make the small sizes required for new high-tech applications. Now for the first time researchers have manufactured ground hollow ...

Chemistry / Materials Science

created Oct 13, 2009 | popularity 4.9 / 5 (9) | comments 5

Nanoshell whispering galleries improve thin solar panels

Visitors to Statuary Hall in the U.S. Capitol Building may have experienced a curious acoustic feature that allows a person to whisper softly at one side of the cavernous, half-domed room and for another on ...

Nanotechnology / Nanomaterials

created Feb 07, 2012 | popularity 4.4 / 5 (7) | comments 6 | with audio podcast

NASA's Dawn collects a bounty of beauty from Vesta

(PhysOrg.com) -- A new video from NASA's Dawn spacecraft takes us on a flyover journey above the surface of the giant asteroid Vesta.

Space & Earth / Space Exploration

created Sep 16, 2011 | popularity 5 / 5 (6) | comments 26 | with audio podcast

Robot competition in zero-gravity

(PhysOrg.com) -- School teams from Europe and America have been commanding robots competing in the Spheres ZeroRobotics tournament in space. The arena: 400 km above Earth on the International Space Station.

Space & Earth / Space Exploration

created Jan 25, 2012 | popularity 5 / 5 (6) | comments 2 | with audio podcast

Researchers transform iPhone into high-quality medical imaging device

In a feat of technology tweaking that would rival MacGyver, a team of researchers from the University of California, Davis has transformed everyday iPhones into medical-quality imaging and chemical detection ...

Physics / Optics & Photonics

created Oct 03, 2011 | popularity 3.5 / 5 (8) | comments 3 | with audio podcast

New method for making tiny catalysts holds promise for air quality

Fortified with iron: It's not just for breakfast cereal anymore. University of Illinois researchers have demonstrated a simpler method of adding iron to tiny carbon spheres to create catalytic materials that ...

Nanotechnology / Nanomaterials

created Dec 15, 2010 | popularity 4.3 / 5 (6) | comments 3 | with audio podcast

Life Sticks: Bioengineer Publishes Sticky Insights in journal Science

(PhysOrg.com) -- Sticky is good. A University of California, San Diego bioengineer is the first author on an article in the journal Science that provides insights on the “stickiness of life.” The big idea i ...

Biology / Biotechnology

created Apr 10, 2009 | popularity 4 / 5 (6) | comments 2

Rethinking equilibrium: In nature, large energy fluctuations may rile even 'relaxed' systems

An international research team led by the University at Buffalo has shown that large energy fluctuations can rile even a "relaxed" system, raising questions about how energy might travel through structures ranging from the ...

Physics / General Physics

created Oct 31, 2011 | popularity 4.8 / 5 (5) | comments 3 | with audio podcast

Trinity physicist finds new way to pack spheres efficiently

(Phys.org) -- New collaborative research has revealed the most efficient method to date for packing spherical objects into a cylinder. Dr Ho-Kei Chan, a Research Fellow from the Foams and Complex Systems ...

Physics / General Physics

created Apr 24, 2012 | popularity 4.5 / 5 (4) | comments 0