Princeton University engineers have developed a new laser sensing technology that may allow soldiers to detect hidden bombs from a distance and scientists to better measure airborne environmental pollutants and greenhouse gasses.
“We are able to…
Rice University researchers have discovered a simple way to make carbon nanotubes shine brighter.
The Rice lab of researcher Bruce Weisman, a pioneer in nanotube spectroscopy, found that adding tiny amounts of ozone to batches of single-walled car…
Cleveland — Materials scientists from Case Western Reserve University and the Institute of Solid State Research in Jülich, Germany have produced particularly clear changes in the atomic structure of sapphire following deformation at high temperatu…
Rice University scientists have created the first two-terminal memory chips that use only silicon, one of the most common substances on the planet, in a way that should be easily adaptable to nanoelectronic manufacturing techniques and promises to e…
For their look into the nanoworld, the Jülich researchers used a scanning tunneling microscope. Its thin metal tip scans the specimen surface like the needle of a record player and registers the atomic irregularies and differences of approxim…
The structure of a key energy-releasing enzyme found in all animals is designed to minimise free radical production, an international team of researchers has reported in the journal Science. In a startling feat of structural biology, the team visualised the entire molecular structure of succinate dehydrogenase in the bacterium E. coli, allowing them to see for the first time how the protein’s three-dimensional shape helps prevent the formation of large quantities of these destructive oxygen atoms.
This image from the Chandra X-ray Observatory has given scientists their first look at X-rays from Mars. In the sparse upper atmosphere of Mars, about 75 miles above its surface, the observed X-rays are produced by fluorescent radiation from oxygen atoms. X-rays from the Sun impact oxygen atoms, knock electrons out of the inner parts of their electron clouds, and excite the atoms to a higher energy level in the process. The atoms almost immediately return to their lower energy state and may emit a fluorescent X-ray in this process with an energy characteristic of the atom involved ? oxygen in this case. A similar process involving ultraviolet light produces the visible light from fluorescent lamps.