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Chemistry World
June 12, 2008
Michael Gross |
Light Drives Plastic Motor Chemists in Japan have built a rotary motor driven purely by light shining onto a polymer film.   |
Chemistry World
August 9, 2013
Daniel Johnson |
Mystery of jumping crystals solved The riddle of why a certain type of crystal leaps more than 10,000 times its length when exposed to light may have been solved. The crystals' rapid movement is a result of stresses generated in the crystal when light induces a structural change within it. |
Chemistry World
March 27, 2014
Simon Hadlington |
Popcorn-like explosion of single crystals explained Chemists have created single crystals of metal coordination complexes that explode violently when exposed to UV light, leaping high into the air. |
Chemistry World
October 28, 2013
Jennifer Newton |
Crystal within a crystal Colleagues at the University of Strasbourg used a molecular tectonics strategy to prepare the crystals. |
Technology Research News
April 9, 2003 |
Liquid crystals go 3D Researchers from Sheffield University in England and the University of Pennsylvania have unlocked some of the secrets of liquid crystals, materials that self-assemble into lattices of geometric shapes that are neither solid nor liquid, but somewhere between. |
Chemistry World
September 18, 2012
Phillip Broadwith |
Caffeine crystals with an elastic bent Indian chemists have discovered a highly elastic but crystalline material made from caffeine. The crystals maintain their elasticity down to -100 C. |
Chemistry World
February 10, 2014
Ian Randall |
Polymer puts a new twist on soft robotics Twisted polymer springs capable of turning light energy into mechanical movement have been developed by researchers from the Netherlands and the UK. |
Chemistry World
May 4, 2010
Lewis Brindley |
Nanomachinery gets a spring in its step Molecular springs that always twist the same way are the latest addition to the nanomachinery toolbox. |
Chemistry World
July 27, 2014
Simon Hadlington |
Propeller-shaped molecules give 2D polymers lift-off Crystal engineers have finally succeeded in achieving a goal that has eluded chemists for decades by unambiguously synthesizing two-dimensional polymer crystals, confirmed by single-crystal x-ray diffraction. |
Chemistry World
May 15, 2006
Jon Evans |
Selective DNA Crystals A molecular biologist has developed a molecular sieve using a DNA crystal with nanoscale channels. |
Chemistry World
June 25, 2013
Phillip Broadwith |
Porous materials break out of covalent cage Porous materials made from small molecular cages, rather than rigidly bonded frameworks, could be easier to process and have more tunable performance, say UK researchers. |
Chemistry World
August 23, 2012
Yuandi Li |
Reversible photoswitch a boost for molecular electronics A team of international scientists has made a photocontrollable device, which, they say, shows potential for application in nanocircuits and helps the understanding of electrical conduction in molecular electronics. |
Chemistry World
January 11, 2008
Victoria Gill |
Fish Scales Hold Dazzling Secret Scientists in Israel have discovered the surprising secrets of the specialized crystals in fish skin that allow them to shimmer. |
Chemistry World
January 30, 2008
Lewis Brindley |
Piezoelectric Compound Performs Under Pressure Piezoelectric materials could soon be made far more simply. |
Technology Research News
March 24, 2004 |
Irregular layout sharpens light Aperiodic photonic crystal could improve devices that shape, detect and filter light, including communications devices like photodetectors, demultiplexers, which sort wavelengths of light, and channel drop filters, which filter out different wavelengths. |
Chemistry World
May 19, 2011
Jon Cartwright |
Liquid crystals spot bacteria to order Liquid crystals could one day be used as bio-sensors, detecting the presence of minute amounts of pathogens. That is the claim of a US group of researchers, who have demonstrated how a liquid crystal changes orientation in the presence of bacteria. |
Chemistry World
January 2010
Philip Ball |
Welcome to the machine Molecular machines have promised so much but are they more whimsical than technical? |
Reactive Reports
Issue 33
David Bradley |
Two-faced Liquid Crystals A new class of programmable liquid crystals could be used to make variable optical filters for laboratory instrumentation and digital cameras; they might even be used to treat dyslexia. |
Chemistry World
April 18, 2011
Kate McAlpine |
Shaping crystals with bio-tools Researchers in the US have developed a new approach for controlling crystal growth, borrowing tools from biology. |
Technology Research News
November 19, 2003 |
Liquid Crystal Tunes Fiber Researchers have combined photonic crystal and liquid crystal to make an optical fiber whose properties can change according to temperature. The combination allows the researchers to change the properties of the light inside the fiber. |
Reactive Reports
Issue 72
David Bradley |
Ice Age the Movie The ordered structure of ice dissolves little by little into disorder when a tiny burst of light hits an ice crystal. |
Technology Research News
August 25, 2004
Kimberly Patch |
Liquid Crystal IDs Pathogens Liquid crystal is not only the stuff of computer screens and watch displays, it is also how your cell membranes are structured. Combining the similarly structured artificial and biological materials makes a device that detects viruses and toxins. |
Technology Research News
February 11, 2004 |
Magnets tune photonic crystal Researchers from Fudan University in China have found that it is possible to use a magnetic field to quickly shift or block certain frequencies of electromagnetic signals passing through photonic crystals made from semiconductor material. |
Chemistry World
August 25, 2011
Fiona McKenzie |
Poking Aspirin with a Sharp Stick Scientists have found a way to go one better than x-ray crystallography to examine pharmaceutical crystals at an even deeper level. |
Chemistry World
November 17, 2014
James Urquhart |
Beetle behind breath test for bank notes Simply breathing on money could soon reveal if it's the real deal or counterfeit thanks to a beetle-inspired ink that reversibly changes color in response to humidity. |
Chemistry World
July 4, 2006
Jon Evans |
Colloidal crystals enter period of trial separation The implications of this work could lead to new separation principles and techniques that will have significant impact on chemical separations. |
Chemistry World
November 30, 2007
Lewis Brindley |
Crystal Clear Structure Prediction One team of researchers has hit the jackpot by correctly predicting the crystal structures of four organic molecules in a competition organized by the University of Cambridge. |
Technology Research News
October 6, 2004 |
Crystal structure tunes nanowires A new process that controls the crystal structure of nanowires made from specific semiconductors may enable electronic components, such as light-emitting diodes and laser diodes, with tunable properties. |
Chemistry World
February 7, 2014
Emma Stoye |
Crystal ribbons grow on a curve Colleagues at Harvard University in the US investigated the effects of elastic stress on crystals, which is increased by growing them on a curved surface rather than a flat one. |
Chemistry World
June 2, 2010
Lewis Brindley |
Reactions in a crystal Crystals that can alter their composition without changing the structure of their solid lattice have been developed by US researchers. |
IEEE Spectrum
May 2006
Samuel K. Moore |
Poky Plastic Perks Up Materials scientists have invented the first polymer semiconductor to perform almost as well as the type of silicon used to drive flat-panel displays. |
Technology Research News
November 5, 2003
Eric Smalley |
Crystal bends light back Being able to bend light backwards is extremely useful. This negative refraction is controversial in physics circles and has only been demonstrated using artificial materials containing metal loops. It turns out that a common natural crystal has harbored this capability all along. |
Technology Research News
June 29, 2005 |
Crystal promises more light Spontaneous emission from chip-based devices like light-emitting diodes can lower efficiency and create noise. Researchers have created a device that can harness the energy from the emissions and put them towards positive ends. |
Technology Research News
March 26, 2003 |
Flexible motor takes shape Researchers from Pennsylvania State University have designed a motor that can be made in a range of shapes, including nearly flat. Key to the flexibility of the design is lead zirconate titanate, a piezoelectric material that changes shape in the presence of an electric field. |
Military & Aerospace Electronics
May 2008 |
Market for MEMS oscillators will grow to $140 million by 2012 After a few false starts, MEMS-based oscillators are finally beginning to leave the shelves in series. |
Technology Research News
July 28, 2004
Eric Smalley |
Photonic chips go 3D Computer chips made from photonic crystal promise better communications equipment and ultrafast, all-optical computers |
