News tagged with tetrahedra
Princeton researchers solve problem filling space -- without cubes
(PhysOrg.com) -- Whether packing oranges into a crate, fitting molecules into a human cell or getting data onto a compact disc, wasted space is usually not a good thing.
Jun 28, 2011 |
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Mathematicians set world record in packing puzzle
(PhysOrg.com) -- Finding the best way to pack the greatest quantity of a specifically shaped object into a confined space may sound simple, yet it consistently has led to deep mathematical concepts and practical ...
Aug 12, 2009 |
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Search results for tetrahedra
Linking geometric problems to physics could open door to new solutions
(PhysOrg.com) -- A Princeton scientist with an interdisciplinary bent has taken two well-known problems in mathematics and reformulated them as a physics question, offering new tools to solve challenges relevant to a host ...
Nov 16, 2010 |
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Cow Brain Protein May Hold Alternative Energy Promise
(PhysOrg.com) -- Of all the ideas that hold promise in alternative energy, cow brains are an odd candidate. They do not fit into the list of usual plant-based subjects, such as corn or switch grass. But cow ...
Apr 20, 2010 |
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Researchers Rediscover the Structure of Water
(PhysOrg.com) -- A team of researchers at the Stanford Synchrotron Radiation Lightsource has found the molecular structure of water to be more complex than recently thought, suggesting that molecular models ...
Feb 26, 2010 |
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Entropy alone creates complex crystals from simple shapes, study shows
(PhysOrg.com) -- In a study that elevates the role of entropy in creating order, research led by the University of Michigan shows that certain pyramid shapes can spontaneously organize into complex quasicrystals.
Dec 09, 2009 |
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Creating 3D models with a simple webcam (w/ Video)
(PhysOrg.com) -- Constructing virtual 3D models usually requires heavy and expensive equipment, or takes lengthy amounts of time. A group of researchers at the University of Cambridge, Qi Pan, Dr Gerhard Reitmayr ...
Technology / Computer Sciences
Nov 11, 2009 |
5 / 5 (28) |
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Cement's basic molecular structure finally decoded
(PhysOrg.com) -- In the 2,000 or so years since the Roman Empire employed a naturally occurring form of cement to build a vast system of concrete aqueducts and other large edifices, researchers have analyzed the molecular ...
Nanotechnology / Nanomaterials
Sep 09, 2009 |
4.2 / 5 (16) |
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Platinum nanocrystals boost catalytic activity for fuel oxidation, hydrogen production
A research team composed of electrochemists and materials scientists from two continents has produced a new form of the industrially-important metal platinum: 24-facet nanocrystals whose catalytic activity ...
May 03, 2007 |
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Nanoscale Cubes and Spheres
Porous nano-objects with defined sizes and structures are particularly interesting, for example, as capsules for enzymes, a means of transport for pharmaceutical agents, or building blocks for larger nanostructures.
Nanotechnology / Nanomaterials
Jan 03, 2007 |
3.9 / 5 (13) |
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To catch an intermediate
A new technique for capturing the short-lived but critical "intermediate" compounds that help carry chemical reactions which take place in aqueous solution from their starting point to the final product has been developed ...
Dec 21, 2006 |
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Physicists create first robust DNA building blocks
Physicists from the University of Oxford have designed the first structurally robust, self-assembling DNA building blocks. The DNA tetrahedra, 10,000,000,000 (ten thousand million) of which could fit on the ...
Dec 09, 2005 |
4.3 / 5 (12) |
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List of search results for tetrahedra
