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News tagged with spheres

'Transformer' protein makes different sized transport pods

These spheres may look almost identical, but subtle differences between them revealed a molecular version of the robots from Transformers. Each sphere is a vesicle, a pod that cells use to transport materials ...

Biology / Cell & Microbiology

created May 25, 2012 | popularity 5 / 5 (1) | comments 0

What is the best way of stacking apples?

When stacking apples on a market stall, fruit sellers "naturally" adopt a particular arrangement: a regular pyramid with a triangular base. A French-German team, which includes in particular the Laboratoire ...

Physics / General Physics

created Apr 25, 2012 | popularity 5 / 5 (1) | comments 0

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

High-tech tactic may expose stealthy salmonella

Even the smallest quantity of Salmonella may, in the future, be easily detected with a technology known as SERS, short for "surface-enhanced Raman scattering." U.S. Department of Agriculture (USDA) scientist ...

Biology / Cell & Microbiology

created Apr 10, 2012 | popularity not rated yet | comments 0

Establishing a new scalar curvature flow method

Mathematically, is it possible to continuously deform a rough sphere into a perfect sphere? Under what situations can we solve the differential equations?

Other Sciences / Mathematics

created Feb 27, 2012 | popularity 5 / 5 (1) | comments 0

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

To make better fuel cells, study the defects

Engineers trying to improve fuel-cell catalysts may be looking in the wrong place, according to new research at Cornell.

Nanotechnology / Nanomaterials

created Feb 20, 2012 | popularity 4.7 / 5 (3) | comments 1 | with audio podcast

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

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

New microtweezers may build tiny 'MEMS' structures

Researchers have created new "microtweezers" capable of manipulating objects to build tiny structures, print coatings to make advanced sensors, and grab and position live stem cell spheres for research.

Technology / Engineering

created Jan 17, 2012 | popularity 5 / 5 (2) | comments 3 | with audio podcast

NASA 'Smart SPHERES' tested successfully on international space station

(PhysOrg.com) -- In November, a free-flying robot on the International Space Station successfully gathered and delivered motion data to its astronaut handler for the first time via a new smartphone controller. ...

Space & Earth / Space Exploration

created Dec 20, 2011 | popularity 5 / 5 (3) | comments 0

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

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

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

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