Researchers at The University of Texas at Austin have invented a new flexible smart window material that, when incorporated into windows, sunroofs, or even curved glass surfaces, will have the ability to control both heat and light from the sun. Their article about the new material will be published in the September issue of Nature Materials.
With an eye to the next generation of tech gadgetry, a team of physicists at The University of Texas at Austin has had the first-ever glimpse into what happens inside an atomically thin semiconductor device. In doing so, they discovered that an essential function for computing may be possible within a space so small that it's effectively one-dimensional.
Physicists Xiaoqin "Elaine" Li, Gennady Shvets and their colleagues have been exploring new ways to manipulate light on the nanoscale. In a paper published this week in the journal Proceedings of the National Academy of Sciences, they describe work that could lead to better biological sensors and improved devices for optical communications and computing.
Most modern computers and communications devices use electrons to transmit and process information. But when they're crammed onto smaller and smaller devices, electrons become unruly, generating a lot of heat. Scientists have long dreamed of replacing electrons with particles of light called photons. Because photons don't generate much heat and move at light speed, computer chips could theoretically be made much smaller and faster than current chips.
As traditional electronics begin to reach their physical limits of compactness and speed, scientists and engineers are looking for new ways to stay on track with Moore's Law. One possible solution is to develop spintronics, devices that use a property of electrons known as spin to represent the 0's and 1's in computers. A class of materials called topological insulators (TIs) might have the right properties for spintronics, but since they were discovered less than a decade ago, scientists still know little about their properties.
A team of scientists and engineers from Columbia University, Seoul National University (SNU), Korea Research Institute of Standards and Science (KRISS) and The University of Texas at Austin have demonstrated — for the first time — a visible light source using graphene, an atomically thin form of carbon. This new type of light source could form the basis of faster communications devices and computer displays that are thin, flexible and transparent.
This month marks the 50th Anniversary of Moore's Law, an observation that every couple of years, computer chip manufacturers manage to squeeze twice as many transistors onto a computer chip. Because transistors are the tiny on-off switches that perform calculations and temporarily store information, Moore’s Law also embodies the exponential increase in raw computing power that has unleashed a blizzard of tech innovations.
Have you ever been working on a document on your computer and it suddenly crashes? Maybe the power goes out or there's a software glitch that causes it to freeze and you lose everything you've been working on for the past hour. New research published today in the journal Nature Communications might eventually lead to computers and other electronic devices that don't have this vulnerability.
While the sun and wind provide great alternative energies, the supplies can be highly variable when the sun isn’t shining or the wind isn’t blowing. Also consider the Achilles' heel of electric vehicles: it can take hours to recharge them.
Read our publication, The Texas Scientist, a digest covering the people and groundbreaking discoveries that make the College of Natural Sciences one of the most amazing and significant places on Earth.
