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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. mark for My Articles similar articles
Chemistry World
August 14, 2009
Jon Cartwright
Nanomotors detect trace silver Researchers in the US and Germany have found that the speed of synthetic 'nanomotors' responds to nearby concentrations of silver. mark for My Articles similar articles
Technology Research News
June 2, 2004
Plastic Nanowires Sense Gasses Cornell University researchers have devised a simple way to position conducting polymer nanowires on an electrode, and have made a prototype high-speed chemical detector that is capable of sensing minuscule amounts of ammonia gas. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Technology Research News
July 13, 2005
Magnetics Drives Particle Patterns Researchers have devised a way to use electric and magnetic fields to assemble magnetic microparticles into a wide variety of patterns, including clusters, rings, chains and networks. mark for My Articles similar articles
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. mark for My Articles similar articles
Technology Research News
March 26, 2003
Hydrogen yields smaller nanowires Researchers from City University of Hong Kong in China have produced silicon wires that are smaller than any made before. mark for My Articles similar articles
Chemistry World
March 3, 2009
Lewis Brindley
Sweet-toothed bacteria make their own vaccine With careful feeding, bacteria can produce vaccines against themselves, scientists in the US and China have found. mark for My Articles similar articles
Chemistry World
February 13, 2008
Simon Hadlington
Clothes Power up Thanks to Nanowires Researchers in the US have invented a yarn that can generate electricity simply by being bent or twisted. mark for My Articles similar articles
Chemistry World
August 11, 2006
Tom Westgate
Nanomachines Power up with Piezoelectricity Nanomachines sound like a great idea, but where is the nanobattery to power them? The problem could be solved with piezolelectric nanowires (NWs), tiny strips of matter a few atoms wide that give out electricity when they are flexed. mark for My Articles similar articles
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. mark for My Articles similar articles
Technology Research News
October 8, 2003
Process orders nanowire arrays Harvard University researchers have found a way to neatly layer and pattern rows of nanowires. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
February 24, 2010
Hayley Birch
Marine microbes wired up A new study provides evidence for the existence of naturally occurring electric circuits orchestrated by marine bacteria. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
February 4, 2011
MOF magnets deliver drugs German scientists have encapsulated nanomagnets inside metal organic frameworks. The MOF magnets can be filled with a drug, which is released when a magnetic field is applied. mark for My Articles similar articles
Chemistry World
June 24, 2011
Rebecca Brodie
Nanogenerators for environmental sensors A nanomaterial-based, self-powered sensor that detects mercury in water has been developed by teams from the US and Korea. mark for My Articles similar articles
Technology Research News
January 28, 2004
Eric Smalley
Chemicals map nanowire arrays There are two challenges to getting nanowire arrays ready for prime time -- finding ways of accessing any particular nanowire junction, and connecting the devices to the outside world. Chemically modifying the right junctions could solve both problems. mark for My Articles similar articles
Technology Research News
July 30, 2003
Crystal cracks nurture nanowires Researchers from the University of Tokyo in Japan have devised a way to form titanium nanowires within an intentionally flawed sapphire. mark for My Articles similar articles
Chemistry World
August 29, 2006
Simon Hadlington
Bacteria Put New Spin on Micromotors Researchers have used motile bacteria to rotate a microscopic motor made from silicon. The team believes that their system -- fuelled by glucose -- is the first micromechanical device to integrate inorganic materials with living bacteria. mark for My Articles similar articles
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. mark for My Articles similar articles
Scientific American
May 2007
Charles Q. Choi
Structured Settings Researchers have taken big steps in creating and using nanostructures that have eluded manipulation in the past. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
June 24, 2014
Elisabeth Ratcliffe
Human protein cleans drinking water Researchers in Japan have shown that they can remove Escherichia coli from drinking water using tiny tubes made of human serum albumin. mark for My Articles similar articles
Chemistry World
January 14, 2011
Laura Howes
Size matters in piezoelectric materials Nanowires that produce current when bent and deformed can show huge improvements in efficiency as their diameters are shrunk. The findings will help advance research to power technology at the nanoscale. mark for My Articles similar articles
Chemistry World
October 30, 2015
Cesar Palmero
Microscopic pumps made from trapped bacteria Scientists in China have trapped bacteria in 3D-printed structures and used them to pump materials along customized paths. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
April 5, 2007
Lewis Brindley
Ultrasonic Waves to Power Future Nanomachines A team of materials scientists has developed an innovative nano-scale power supply which is fueled by ultrasonic waves. The scientists predict that their nanogenerator could power the next generation of nanomachines. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
October 7, 2012
David Bradley
Magnetic nanoparticles zap cancer Nanoparticles can be used as a remote-controlled magnetic death switch to kill cancer cells, according to researchers from Korea. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
March 21, 2014
Richard Massey
Magnetic field and pH synergy controls therapeutic burst Australian researchers have shown how alternating magnetic fields could be used to localize the release of cancer-fighting drugs to cancer cells, limiting side effects in the rest of the body. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
April 30, 2008
Lewis Brindley
Chemical compass clue to migration mystery Trying to identify the mysterious innate compass that many animals use to navigate the globe, chemists at the University of Oxford, UK, have shown for the first time that the Earth's magnetic field can influence the outcome of a chemical reaction. mark for My Articles similar articles
Technology Research News
March 24, 2004
Nanowires span silicon contacts One challenge in making electronics at the size-scale of molecules is finding ways to position and attach nanowires to the tiny components. Researchers from Hewlett-Packard Laboratories have succeeded in growning nanowires between electrodes. mark for My Articles similar articles
Technology Research News
October 8, 2003
Eric Smalley
Magnetic memory makes logic Magnetic memory will soon put an end to the daily annoyance of waiting while your computer boots up from its hard disk. These chips that hold data when the power is off might also be capable of a lot more. Adding a few extra wires to each memory cell could turn the chips into efficient computer processors. mark for My Articles similar articles
Geotimes
June 2007
Kathryn Hansen
So, When Did Earth Become Attractive? Ever since Earth's protective field was discovered in 1958, scientists have been wondering when did the planet grow up and become attractive? mark for My Articles similar articles
Technology Research News
March 26, 2003
Tilted trenches turn out tiny wires Researchers from UCLA, UCSB, and Cal Tech have found a way to make arrays of closely-spaced and crossed metal and semiconductor nanowires. mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
Chemistry World
July 26, 2012
Phillip Broadwith
Remote controlled omniphobic surface Chemists in the US have developed a material that normally resists wetting by both aqueous and organic liquids, but can have this property 'switched off' using a magnet, allowing liquids to soak the surface. mark for My Articles similar articles
Technology Research News
December 11, 2002
Kimberly Patch
Laser pulses could speed memory Researchers from the Research Institute for Materials in the Netherlands and Siemens AG in Germany have found a way to switch a magnetic bit more quickly. The potential payoff is faster computer memory. mark for My Articles similar articles