News articles tagged with "materials_science"

03/18/2015 03:40:02
Ker Than
Material's unique properties in strength and electrical mobility far outpace silicon, with the potential to revolutionize an array of different engineering and scientific fields.
10/29/2012 09:16:50
Brian Bell

Julia Greer is going to need to find space in her office for all of the awards, medals, and grant acceptance letters she has been receiving lately.

10/01/2012 15:50:43
Kimm Fesenmaier
Caltech engineers and scientists often work at the frontiers of science—pushing the limits of what is known and what is possible. Now, with its eighth annual Breakthrough Awards, Popular Mechanics magazine is recognizing two projects that fall into this category and in which Caltech faculty members have played major roles—the development of ultralight micro-lattices by materials scientist Julia Greer and colleagues, and the Voyager 1 and 2 missions, whose project scientist, physicist Ed Stone, has been at Caltech for the missions' entire 35-year ride.
05/22/2012 07:00:00
Kimm Fesenmaier

As part of a newly-funded Army collaboration, six Caltech engineers and applied scientists will investigate what happens to protective materials during intense impact.

03/22/2012 07:00:00
Marcus Woo

In the continual quest for better thermoelectric materials—which convert heat into electricity and vice versa—researchers have identified a liquid-like compound whose properties give it the potential to be even more efficient than traditional thermoelectrics.

12/15/2011 08:00:00
Kimm Fesenmaier

Caltech chemists have developed a hypothesis to explain strange behavior of high-temperature superconductors—copper oxides, or cuprates, that conduct electricity without a shred of resistance at temperatures much higher than other superconducting metals.

11/17/2011 19:00:00
Kimm Fesenmaier

Julia Greer, assistant professor of materials science and mechanics at Caltech, is part of a team of researchers who have developed the world’s lightest solid material, with a density of just 0.9 milligrams per cubic centimeter, or approximately 100 times lighter than Styrofoam™. Though the material is ultra-low in density, it has incredible strength and absorbs energy well, making it potentially useful for applications ranging from battery electrodes to protective shielding.

 

11/04/2011 07:00:00
Marcus Woo

They shrink when you heat 'em. Most materials expand when heated, but a few contract. Now engineers at the California Institute of Technology (Caltech) have figured out how one of these curious materials, scandium trifluoride (ScF3), does the trick—a finding, they say, that will lead to a deeper understanding of all kinds of materials. 

 

10/05/2011 17:00:00
Kimm Fesenmaier

For the first time, researchers at Caltech, in collaboration with a team from the University of Vienna, have managed to cool a miniature mechanical object to its lowest possible energy state using laser light. The achievement paves the way for the development of exquisitely sensitive detectors as well as for quantum experiments that scientists have long dreamed of conducting.

08/12/2011 07:00:00
Kimm Fesenmaier

In the last couple of years, researchers have observed that water spontaneously flows into extremely small tubes of graphite or graphene, called carbon nanotubes. However, no one has managed to explain why. Now, using a novel method to calculate the dynamics of water molecules, Caltech researchers believe they have solved the mystery. It turns out that entropy, a measurement of disorder, has been the missing key.

05/23/2011 07:00:00
Dave Zobel

Caltech scientists have concocted a recipe for a thermoelectric material—one that converts heat energy into electricity—that might be able to operate off nothing more than the heat of a car's exhaust. In a paper published in Nature this month, G. Jeffrey Snyder and his colleagues reported on a compound that shows high efficiency in a temperature range of around 260 to 1160 degrees Fahrenheit. In other words, the heat escaping out your car's tailpipe could be used to help power its electrical components.

Subscribe to Caltech News tagged with "materials_science"