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Reactive Reports Issue 67 David Bradley	Attractive Changing Colors Chemists have discovered that a simple magnet can be used to change the color of nanoparticles of iron oxide in aqueous suspension.
Technology Research News February 11, 2004 Eric Smalley	Light-storing chip charted Storing light, even briefly, was considered impossible until recently. Since scientists have proved it could be done, they've been finding different ways of accomplishing the feat. A proposal for slowing and stopping light in photonic crystal promises to bring these experiments to the chip level.
Chemistry World July 13, 2007 Tom Westgate	Colourful Colloids A simple mixture of iron oxide, a polymer and water can take on any color simply by applying a magnetic field.
Technology Research News November 3, 2004	Photonic Crystal Lasers Juiced Researchers have made a photonic crystal laser that is driven by electric current. The device could eventually be used as a source of single photons for quantum cryptography and communications devices.
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.
Technology Research News December 31, 2003 Eric Smalley	Light frozen in place Researchers at Harvard University have trapped and held a light pulse still for a few hundredths of a millisecond.
IEEE Spectrum October 2005 Paniccia & Koehl	The Silicon Solution In the future, ordinary silicon chips will move data using light rather than electrons, unleashing nearly limitless bandwidth and revolutionizing computing
Technology Research News December 15, 2004	Light Writes Info Into Atoms Researchers have demonstrated that it is possible to transfer information encoded in the properties of photons to atoms.
Technology Research News December 1, 2004 Eric Smalley	Pure Silicon Laser Debuts Researchers have made a prototype laser from silicon. The laser is tunable, meaning it can lase in a range of wavelengths, or colors, and it works at room temperature.
IEEE Spectrum December 2008 Saswato R. Das	Physicists Invent a Chip That Stores a Photon's Quantum State A step toward the "quantum repeaters" needed to make long-distance quantum-cryptography networks
Chemistry World February 18, 2009 Lewis Brindley	Nanomaterials Blossom US researchers have found a new way to use magnetic fields to encourage nanoparticles to self-assemble into unique shapes.
Technology Research News November 3, 2004 Eric Smalley	Single Field Shapes Quantum Bits Researchers have recently realized that it may be possible to control the electrons in a quantum computer using a single magnetic field rather than having to produce extremely small, precisely focused magnetic fields for each electron.
Reactive Reports December 2003 David Bradley	Airy magnets Spanish researchers have created a new type of magnetic material that is ultra-light and transparent. The airy magnets could have applications in flat screen displays and magneto-optical memory devices for computers.
Technology Research News April 6, 2005 Eric Smalley	Scheme Reverses Light Pulses Researchers have developed a method for accurately time-reversing electromagnetic pulses, making it possible to receive a light pulse and return a replica of exactly the same size, shape and wavelength.
Wired September 2000 Charles Platt	Bright Switch A tiny crystal full of holes is about to smash the electronic speed limit, and in the coming photonics era, superfast optical networking is only the beginning.
Chemistry World January 28, 2008 Lewis Brindley	Colourful Crystals Monitor Humidity Chinese chemists have developed a material that changes color according to the humidity of the air around it.
Chemistry World July 13, 2010 Lewis Brindley	Magnetic micro-machines made from liquid iron Chinese researchers have made microscopic springs and turbines by shining light through ferrofluids - liquids containing iron nanoparticles.
Industrial Physicist Eric Lerner	Briefs Penetrating the fog... Plasma self-organization... Stronger than spider silk... Slow light... etc.
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.
Technology Research News April 21, 2004 Eric Smalley	Optical Quantum Memory Designed Quantum computers that use photons rather than atoms or electrons are appealing because the equipment needed to handle them can be relatively simple. A scheme for trapping photons in fiber-optic loops and replacing the photons that the loops absorb could be the answer.
Technology Research News April 6, 2005	Optics Demo Does Quantum Logic Researchers from the University of Science and Technology of China and the University of Heidelberg in Germany have demonstrated a method of using four photons to form a logic gate that can be used for quantum computing.
Chemistry World April 7, 2009 Lewis Brindley	Cells get in line Magnetic nanoparticles that 'shepherd' cells into neat lines have been designed by American scientists.
Technology Research News January 1, 2003 Kimberly Patch	Aligned fields could speed storage Researchers from three institutes in Germany and Russia have found a material whose electric and magnetic domains line up together. The work could bring together the currently separate fields of magnetic and electronic data storage, which would give both methods more flexibility.
Industrial Physicist Aug/Sep 2004 Eric J. Lerner	News: Plasmon microscopy A new technique allows far-field optical microscopy with resolutions well below the wavelength of light.
Technology Research News November 17, 2004	Atom Flip Energy Measured Scientists have measured the energy required to flip the magnetic orientation, or spin of a single atom trapped on a surface.
Chemistry World July 17, 2012 Harriet Brewerton	Pinning down cancer US scientists have synthesized pin-shaped nanoparticles with magnetic and optical properties. The nanoparticles could be used for magnetic resonance imaging, early detection and photothermal therapy of cancer and other diseases.
IEEE Spectrum November 2010 Bedair et al.	Spintronic Memories to Revolutionize Data Storage Superdense MRAM chips based on the bizarre property of electron spin could replace all other forms of data storage
Technology Research News December 19, 2005	Quantum computing: qubits Quantum bits, or qubits, are the quantum equivalent of the transistors that make up today's computers. There are four established qubit candidates: ion traps, quantum dots, semiconductor impurities, and superconducting circuits.
Technology Research News February 9, 2005	All-silicon chip laser demoed Researchers from Intel have moved a step forward in the push to meld lasers and silicon chips, which could eventually be used in portable biological and chemical sensors, to amplify communications signals, and to convert light to different wavelengths.
Technology Research News April 9, 2003 Eric Smalley	Fiber loop makes quantum memory A relatively simple device that sends individual photons cycling through a fiber-optic loop could provide the memory needed to make ultra powerful computers that use the quantum states of light as bits.
IEEE Spectrum August 2011 Hadjipanayis & Gabay	The Incredible Pull of Nanocomposite Magnets Nanotechnology could make rare earth magnets even stronger.
Technology Research News April 21, 2004	Magnets Align Nanotubes in Resin Carbon nanotubes have great potential as components of new materials but aligning the tiny tubes can be tricky. Researchers from the Georgia Institute of Technology and Florida State University have developed a way to orient the nanotubes in a polymer mix using a magnetic field.
Chemistry World July 19, 2011 Jon Cartwright	Magnetic Sponge Can Squeeze Itself Out Researchers in Japan and Singapore have created a sponge that can wring itself out upon application of a magnetic field.
Scientific American August 2005 Steven Ashley	Making Light of Silicon Scientists at UCLA and Intel have obtained coherent photons of light from silicon. This low cost alternative to "exotic" semiconductor materials currently used as lasers will pave the way for many technological advances.
IEEE Spectrum September 2006 Charles Q. Choi	Nanomagnets to the Rescue If, as seems possible, magnetic nanocomposites can be manufactured directly on chips, engineers could design computers that are smaller and, equally important, cooler than anything available today.
Chemistry World October 28, 2014 Simon Hadlington	Molecular magnet goes ultracool Researchers have succeeded in cooling a molecular magnet to below 1K, the first time this has been achieved with a nanomagnet.
Technology Research News June 4, 2003 Eric Smalley	Shock waves tune light Researchers from the Massachusetts Institute of Technology have used a computer simulation to show that sending shock waves through photonic crystals could lead to faster and cheaper telecommunications devices, more efficient solar cells, and advances in quantum computing.
Reactive Reports September 2005 David Bradley	Liquid Magnets Nickel gallium sulfide (NiGa 2S 4) may behave as a highly unusual "liquid" magnetic material at near absolute zero, according to Japanese and US researchers.
Technology Research News October 17, 2005	Data storage technologies Today's magnetic disk drives could be improved by incorporating much larger magnetoresistance or replaced by microelectromechanical systems (MEMS), near-field optics, holographic systems, or even molecules for better data storage solutions.
Chemistry World November 28, 2007 Richard Van Noorden	Magnetic Field Detectors for Less Than a Penny Cheap electronic components industrially manufactured in their millions every year are also smart materials that can sense magnetic fields without any external power supply, UK scientists have discovered.
Industrial Physicist Feb/Mar 2004 Eric J. Lerner	Briefs Opening the x-ray water window... Zero thermal expansion... Magnetoresistor computing... A pressure-driven battery
Industrial Physicist Eric J. Lerner	News Superlenses... Self-organizing device... Silicon photonics... Millennia of global warming...
Technology Research News December 11, 2002 Eric Smalley	Microscopic mix strengthens magnet Magnets are usually an either-or proposition. They either generate a strong magnetic field or they hold up well in the presence of external magnetic fields. A method that mixes the two types of magnets at the nanoscale could pave the way for smaller electric motors and generators.
IEEE Spectrum May 2010 Neil Savage	The Laser at 50 It's the golden anniversary of this fundamental technology
Chemistry World November 21, 2012 James Urquhart	Two-faced particles self-assemble in sync US scientists have synchronized the motion of colloidal magnetic spheres with a rotating magnetic field and found that the particles self-organize into micrometer-sized tubes.
Chemistry World January 16, 2012 Kate McAlpine	Stripped down spectroscopy to probe single molecules Spectroscopy, a key method of identifying atoms and molecules with light, has been taken to its most fundamental level - a single photon absorbed by a single molecule.
Chemistry World June 27, 2010 Simon Hadlington	Nanoparticles allow remote control of cells In an experiment reminiscent of the mind-control rays that featured prominently in B-movies from the 1950s, scientists in the US have used a magnetic field to alter the behavior of an animal.
Industrial Physicist Eric J. Lerner	News Briefs Detecting a Single Spin... Handheld Chem Lab... Superprisms... Growing Nanotrees...
Technology Research News February 23, 2005	Metal atoms make silicon magnetic Devices made from magnetic semiconductors can make use of the spin of the electron in addition to its charge. These spintronics devices are potentially faster and consume less power than today' electronics.
Chemistry World July 20, 2012 Simon Hadlington	New type of chemical bond around dwarf stars The work, led by Trygve Helgaker at the University of Oslo in Norway, not only provides insights into fundamental aspects of electronic interactions with magnetic fields, but also sheds light on the exotic chemistry that exists in stellar environments.