News tagged with crystals
Membrane breaks through performance barrier
Jul 30, 2009 |
4.8 / 5 (5) |
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(PhysOrg.com) -- Engineers have developed a new method for creating high-performance membranes from crystal sieves called zeolites; the method could increase the energy efficiency of chemical separations up ...
New polymer that changes color instantly in response to external magnetic field (w/Video)
Jun 16, 2009 |
4.9 / 5 (19) |
2
A research team led by a chemist at the University of California, Riverside has fabricated microscopic polymer beads that change color instantly and reversibly when external magnetic fields acting upon the microspheres change ...
Andes Mountains Are Older Than Previously Believed
Space & Earth / Earth Sciences
May 15, 2009 |
4.9 / 5 (7) |
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(PhysOrg.com) -- The geologic faults responsible for the rise of the eastern Andes mountains in Colombia became active 25 million years ago—18 million years before the previously accepted start date for the ...
Spitzer Catches Star Cooking Up Comet Crystals (w/Animation)
May 13, 2009 |
4.8 / 5 (6) |
10
(PhysOrg.com) -- Scientists have long wondered how tiny silicate crystals, which need sizzling high temperatures to form, have found their way into frozen comets, born in the deep freeze of the solar system's ...
Vise Squad: Putting the Squeeze on a Crystal Leads to Novel Electronics
May 06, 2009 |
3.5 / 5 (4) |
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(PhysOrg.com) -- A clever materials science technique that uses a silicon crystal as a sort of nanoscale vise to squeeze another crystal into a more useful shape may launch a new class of electronic devices ...
Atmospheric lead causes clouds to form more easily, could change pattern of rain and snow
Space & Earth / Earth Sciences
Apr 19, 2009 |
4.6 / 5 (8) |
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(PhysOrg.com) -- By sampling clouds -- and making their own -- researchers have shown for the first time a direct relation between lead in the sky and the formation of ice crystals that foster clouds. The ...
Cholesterol crystals linked to cardiovascular attacks
Mar 26, 2009 |
5 / 5 (1) |
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For the first time ever, a Michigan State University researcher has shown cholesterol crystals can disrupt plaque in a patient's cardiovascular system, causing a heart attack or stroke.
Silicon Micro-islands and Nano-spikes Channel Water on Glass Slides
Nanotechnology / Nanomaterials
Mar 26, 2009 |
not rated yet |
0
(PhysOrg.com) -- Working at the nanoscale level, University of Arkansas engineering researchers have created stable superhydrophilic surfaces on a glass substrate. The surfaces, made of randomly placed and densely distributed ...
It's raining pentagons
Nanotechnology / Nanomaterials
Mar 08, 2009 |
4.2 / 5 (9) |
2
This week's Nature Materials (09 March 2009) reveals how an international team of scientists led by researchers at the London Centre for Nanotechnology (LCN) at UCL have discovered a novel one dimensional ice ch ...
World first as scientists grow microtubes from crystals (Video)
Mar 02, 2009 |
4.9 / 5 (7) |
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(PhysOrg.com) -- In a world-first, scientists at the University of Glasgow have grown micro-tube structures from crystals of inorganic compounds.
Lovely ‘snowfakes’ mimic nature, advance science
Feb 24, 2009 |
5 / 5 (6) |
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(PhysOrg.com) -- Exquisitely detailed and beautifully symmetrical, the snowflakes that David Griffeath makes are icy jewels of art.
Single Atom Quantum Dots Bring Real Devices Closer (Video)
Jan 27, 2009 |
4.8 / 5 (16) |
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(PhysOrg.com) -- Single atom quantum dots created by researchers at Canada’s National Institute for Nanotechnology and the University of Alberta make possible a new level of control over individual electrons, ...
Fabricating 3D Photonic Crystals
Jan 21, 2009 |
4.3 / 5 (8) |
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(PhysOrg.com) -- “In photonic crystals, the ability to control the structure of a material in full three dimensional space, allows you to control the way that light flows through it,” John Rogers tells PhysOrg.com. “This ...
The Future Is 3-D Liquid Crystals
Jan 15, 2009 |
4.4 / 5 (15) |
6
(PhysOrg.com) -- Dr. Tim Wilkinson from the Department's Photonics Research Group, University of Cambridge, has made an exciting breakthrough, he has combined liquid crystals with vertically grown carbon nanotubes ...
From outer space to the eye clinic: New cataract early detection technique
Jan 12, 2009 |
3 / 5 (1) |
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A compact fiber-optic probe developed for the space program has now proven valuable for patients in the clinic as the first non-invasive early detection device for cataracts, the leading cause of vision loss worldwide.
