Posts Tagged ‘crystals’
‘Bed of nails’ shapes defects in liquid crystals
U. PENNSYLVANIA (US) — Researchers have learned to control defects on the surface of liquid crystals by manipulating microscopic posts underneath. Continue…
Tuesday, January 8, 2013 10:29 - 0 Comments
Science & Technology - Oct 2, 2012 15:04 - 0 Comments
Crystal with defect heals its own ‘scars’
U. CHICAGO / SYRACUSE U. / NYU (US) — Scientists have created a defect in the structure of a single-layer crystal by simply inserting an extra particle, and then watching as the crystal “heals” itself. (more…)
Science & Technology - Jan 6, 2012 8:10 - 1 Comment
‘Pack’ semiconductors to boost efficiency
STANFORD (US) — A new way of packing molecules could boost the electrical conductivity of organic semiconductors, paving the way for foldable smartphones and clothing that uses sunlight to charge iPads. (more…)
Top Stories - Dec 9, 2011 11:26 - 7 Comments
Snowflake science: Why so thin and flat?
CALTECH (US) — New research from “snowflake guru” Kenneth Libbrecht sheds light on the mystery of why “stellar” snowflakes wind up so thin and flat. (more…)
Science & Technology - Sep 8, 2011 15:47 - 0 Comments
Crystal takes temperatures to extremes
U. WARWICK (UK) — Researchers have developed a form of crystal that can deliver highly accurate temperature readings, ranging from -120 to +680 degrees centigrade. (more…)
Top Stories - Feb 15, 2011 9:38 - 0 Comments
Revealing organic LEDs’ true colors
U. MICHIGAN (US) — Pure organic compounds that glow in jewel tones have the potential to lead to cheaper, more efficient, and flexible display screens, among other applications. (more…)
Health & Medicine - Oct 14, 2010 14:46 - 1 Comment
Agent curbs kidney stone crystals
NYU (US) — A new method that stops the growth of crystals that form cystine kidney stones suggests a pathway to prevention. (more…)
Science & Technology - Oct 14, 2010 14:09 - 2 Comments
In chemistry, size does matter
UC DAVIS (US) — Particle size has a far more dramatic impact on chemical reactivity than previously thought, according to a new study. (more…)
Science & Technology - Jul 19, 2010 11:09 - 0 Comments
Twisted crystals unravel as they grow
NYU (US)—Scientists from the U.S. and Russia have created crystals that can twist and untwist, pointing to a much more varied process of crystal growth than previously thought. (more…)
Science & Technology - Jun 14, 2010 16:53 - 0 Comments
‘Mind-bending’ crystals color butterfly wings
YALE (US)—At the very heart of some of the most brilliant colors on the wings of butterflies lie bizarre structures that may be of use in harnessing the power of light. (more…)
Health & Medicine - May 24, 2010 22:59 - 3 Comments
Cholesterol crystals form early in heart disease
MICHIGAN STATE (US)—Cholesterol crystals, known to be a catalyst for heart attacks and strokes, also cause cells to send out danger signals that can lead to the inflammation and hardening of arteries. (more…)
Science & Technology - Dec 14, 2009 12:26 - 2 Comments
How ho-hum crystals turn into shells
CORNELL (US)—Single crystals of the mineral calcite—the chief material in limestone—are predictable, homogeneous, and, well, a little boring. (more…)
Science & Technology - Sep 22, 2009 12:01 - 0 Comments
Crystals to grow in low gravity on Space Station
IOWA STATE (US)—An experiment to study crystal growth patterns in a microgravity environment that is on its way to the International Space Station may have important implications for developing new materials. (more…)
Science & Technology - Sep 11, 2009 17:00 - 1 Comment
DNA crystals—now showing in 3D
NYU (US)—Chemists have created three-dimensional DNA structures, a breakthrough bridging the molecular world to the world where we live. The technique could help researchers build better nanoelectronics and design more effective drugs. (more…)
Science & Technology - Aug 31, 2009 11:06 - 0 Comments
Dancing with high-temp superconductors
CORNELL (US)—High-temperature superconductors may have the potential to go even higher, according to new measurements. The finding opens the door to creating room-temperature superconductors, or at least those that will work with conventional refrigeration. (more…)
Science & Technology - Aug 13, 2009 13:27 - 0 Comments
Water finally caught in the icy act
Lead author Jessica Hernández-Guzmán says when she finally saw the transition from liquid state to crystal, “I felt like I had won the lottery.”
