News tagged with crystals
Freezing: a phenomenon that 'jumps'
Nanotechnology / Nanomaterials
3 hours ago |
not rated yet |
0
(PhysOrg.com) -- The freezing of suspensions of particles is not always a uniform phenomenon; in certain conditions it leads to a modification of the redistribution of particles and the growth of crystals.
Researchers take the lead out of piezoelectrics
Nov 13, 2009 |
3 / 5 (2) |
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There is good news for the global effort to reduce the amount of lead in the environment and for the growing array of technologies that rely upon the piezoelectric effect. A lead-free alternative to the current ...
Scientists visualize assembly line gears in ribosomes, cell's protein factory
Oct 15, 2009 |
4.5 / 5 (4) |
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Even as research on the ribosome, one of the cell's most basic machines, is recognized with a Nobel Prize, scientists continue to achieve new insights on the way ribosomes work.
Scientists use low-gravity space station lab to study crystal growth
Sep 21, 2009 |
4.6 / 5 (8) |
1
A research project 10 years in the making is now orbiting the Earth, much to the delight of its creator Rohit Trivedi, a senior metallurgist at the U.S. Department of Energy's Ames Laboratory. Equipment recently ...
Chemists Reach from the Molecular to the Real World with Creation of 3-D DNA Crystals
Sep 02, 2009 |
4.7 / 5 (6) |
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(PhysOrg.com) -- New York University chemists have created three-dimensional DNA structures, a breakthrough bridging the molecular world to the world where we live. The work, reported in the latest issue of ...
Researchers grow nanowire crystals for 3-D microchips
Aug 26, 2009 |
5 / 5 (4) |
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(PhysOrg.com) -- Stanford researchers have developed a method of stacking and purifying crystal layers that may pave the way for three-dimensional microchips.
'Nanospears' could lead to better solar cells, lasers, lighting
Nanotechnology / Nanomaterials
Aug 11, 2009 |
5 / 5 (14) |
2
(PhysOrg.com) -- Growing - and precisely aligning - microscopic, spear-shaped zinc oxide crystals on a surface of single-crystal silicon, researchers at Missouri University of Science and Technology may have ...
A plant's arsenal of crystalline darts and sand
Aug 06, 2009 |
not rated yet |
2
Pet owners have heard the warnings to keep certain poisonous houseplants away from their pets, such as Dieffenbachia (dumbcane), Philodendron, peace lily, and pothos. For houseplants like these and others, ...
Researchers discover breakthrough method for chemical separations
Aug 03, 2009 |
5 / 5 (2) |
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A team of researchers, led by chemical engineering and materials science professor Michael Tsapatsis in the University of Minnesota's Institute of Technology, have developed a more energy-efficient method of chemical separations ...
Magnetic Measurements Question Assumptions About High-Tc Superconductors
Aug 03, 2009 |
4.7 / 5 (7) |
1
(PhysOrg.com) -- Conquering one of the biggest challenges in the study of high-temperature (high-Tc) superconductors, scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have grown ...
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) |
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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) |
1
(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 ...
