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Technology Research News April 23, 2003 |
Juiced liquid jolts metal into shapes One strategy for constructing microscopic devices is finding ways to make materials assemble themselves. Researchers from Argonne National Laboratory and the Russian Academy of Sciences have found a way to use electricity to drive metal microparticles into patterns. |
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. |
AboutSafety October 17, 2001 |
EMFs In The Workplace Everyone in our modern society is exposed to the electric and magnetic fields (EMFs) that surround all electric devices. This fact sheet answers frequently asked questions about EMFs in the workplace... |
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. |
Technology Research News January 28, 2004 |
Nanorings promise big memory Researchers have found a way to cause magnetic cobalt nanoparticles to spontaneously assemble into rings that are less than 100 nanometers across. Because the molecule is small, memory made from it could hold a great deal of information. |
Technology Research News July 30, 2003 |
See-through magnets hang tough Researchers from the Independent University of Barcelona (UAB) and the University of Zaragoza in Spain have found a way to form transparent, durable, lightweight magnets that maintain their magnetism in magnetic fields and high temperatures. |
Chemistry World October 22, 2013 Simon Hadlington |
Virtual molds cast colloid Blue Mosque A way to direct colloids to self-assemble in an almost infinite variety of configurations has been devised. The technique relies on the creation of a pre-determined pattern of magnetic fields to generate a 'virtual mold' to dictate the final position of the particles. |
Technology Research News December 31, 2003 |
Shape key to strong sensors Researchers have found a possible explanation for why a pair of semiconducting compounds -- mixes of silver and selenium or tellurium -- are strong magnetic sensors over a wide range of magnetic field strengths. |
Technology Research News May 18, 2005 |
Nanoparticles Drive Display Researchers have developed a technology that has the potential to provide inexpensive, low-power, color electronic paper. The new scheme uses neutral rather than charged particles dispersed in liquid. |
Technology Research News November 3, 2004 |
Square Rings Promise Reliable MRAM Researchers are working on magnetic random access memory chips that hold as much data as standard electronic memory chips. The key to a promising design is a nanowire bent into a circle. |
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. |
Chemistry World May 13, 2015 Heather Powell |
Electricity harvested from magnetic noise Wireless battery charging may benefit from a new generator that harnesses magnetic energy from our environment. |
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. |
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. |
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. |
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. |
Technology Research News October 22, 2003 |
Process prints nanoparticles Researchers have coaxed tiny particles of gold, silver and carbon to assemble into patterns on silicon wafers over areas as large as a square centimeter by using electrical charge patterns to attract and position the nanoparticles. |
Chemistry World August 23, 2010 Lewis Brindley |
Microscopic barcodes with extra stirring A way to label molecules with colourful barcodes has been developed by chemists in South Korea. |
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. |
Chemistry World June 7, 2007 Lionel Milgrom |
Resonance Boost for Truly Wireless Electronics Recharging electronic gadgets requires wired connection to the nearest available mains socket. Now, researchers at MIT have developed a technology they call WiTricity - wireless electricity. |
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. |
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 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. |
Technology Research News March 9, 2005 |
Avalanches up Disk Storage Researchers have constructed a spin-valve transistor that is more sensitive to microscopic magnetic fields than the devices that read today's commercial hard drives. |
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 July 25, 2014 Emma Stoye |
Magnetic nanocubes self-assemble into spirals Scientists have been coaxing nano-sized cubes of magnetite (Fe 3O 4) into larger, more complex structures like helices without using a template by exposing them to a magnetic field. |
Popular Mechanics August 23, 2007 Erin McCarthy |
How MIT's Wireless Power Could Replace Cables and Outlets This past June, MIT researchers announced their own coil-based breakthrough in wireless electricity -- called WiTricity -- that's mercifully plasma-free. |
Technology Research News December 1, 2004 |
Smart Dust Gets Magnetic One of the main challenges in making labs-on-a-chip is finding ways to control and mix tiny amounts of liquids. Researchers are using minuscule silicon particles to carry out these tasks. |
Technology Research News March 26, 2003 |
Rubber stamp writes data Scientists from IBM's Almaden research center have found a way to quickly transfer information from a magnetic mask to a magnetic disk. The method promises to make it considerably quicker to format and copy magnetic media in bulk. |
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. |
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 February 25, 2004 |
Hot tip boosts disk capacity Many research efforts are aimed at increasing the amount of information that can be stored in a given area of magnetic media like computer disks. One challenge is making smaller magnetic bits that are stable at room temperature. |
Popular Mechanics February 2008 Joe Pappalardo |
Plasma Plaything Warms Up for Sun-Level Work on Fusion Fusion reactors -- the near-mythic energy sources that have been on the horizon for half a century -- may be coming one step closer. |
Science News December 11, 2004 |
From the December 8, 1934, Issue Goose Barnacles Exist, Though Not Hatching Geese... Elements in Earth's Crust Caused by Cosmic Rays... Cosmic Rays Deflected in Strong Electric Fields... |
Wired April 2001 |
Verge A coalition of 14 fusion-research institutions funded by the US Department of Energy will test whether new generation methods can make magnetic fusion an efficient, affordable source of energy... |
IEEE Spectrum August 2011 Hadjipanayis & Gabay |
The Incredible Pull of Nanocomposite Magnets Nanotechnology could make rare earth magnets even stronger. |
Technology Research News September 10, 2003 Eric Smalley |
Electron teams make bigger qubits Making quantum computers from electronic chips rather than cumbersome laboratory equipment requires control over individual electrons. A scheme that has a string of electrons acting as one could ease the task by expanding the target to a whopping 250 millionths of a millimeter. |
Chemistry World July 21, 2011 Serin Dabb |
Small Wires Swim Through Serum for Drug Delivery US researchers have made nanowires that can be propelled through liquids with an external magnetic field. The wires could be used to deliver drugs in the human body. |
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 May 5, 2004 |
Nano Wires Make Tiny Compasses Researchers have built compass needles as small as 20 by 200 nanometers, which could be used to measure magnetic fields at the nanoscale and to orient nanosized wires during the process of building molecular-sized structures. |
Chemistry World August 3, 2010 Lewis Brindley |
Nanoparticles and ultrasound team up to treat tumors A new, non-invasive method to deliver drugs to the brain has been developed by Taiwanese researchers. |
Reactive Reports December 2003 David Bradley |
Mo' Better Blues Vesicles form from molybdenum wheels, giving rise to deep blue water. |
Chemistry World June 27, 2012 Steve Down |
Single particles take flight An international team of researchers has developed a way to study the shape and structure of individual aerosol particles in their native environment. This should help climate modellers and toxicologists to get a better handle on why aerosols behave in the way they do. |
Chemistry World August 14, 2015 Matthew Gunther |
CERN takes aim at proton and antiproton A Penning trap was used to determine that charge-to-mass ratio difference between a proton and antiproton |
Technology Research News November 5, 2003 |
Electrons spin magnetic fields Spintronics researchers are looking for ways to control and use electron spin. Researchers from Cornell University and Yale University have brought the field a step forward by showing that a flow of electrons that all have the same spin can transfer angular momentum to magnetic material. |
Technology Research News May 4, 2005 |
Noisy Snapshots Show Quantum Weirdness Researchers have devised a relatively simple way to detect a pair of entangled, or linked atoms. The detection ability advances quantum computer and quantum communications research. |
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. |
Chemistry World January 26, 2012 Simon Hadlington |
The world's first magnetic soap Researchers have created a liquid surfactant that can be moved by a magnet. |
Chemistry World March 20, 2009 Jon Cartwright |
Medical Probes Get Easy to Spot Scientists in the US have created nano-scale medical probes that are visible via both magnetic resonance imaging (MRI) and optical microscopy. |
Home Toys June 2004 Kathy Gornik |
Short Coil/Long Gap Thiel's short coil/long gap driver technology is heard by the listener as cleaner, clearer sound reproduction that does not disappoint for ease, naturalness and effortlessness. |