Tech
- Tech
Reading Faces
Facial expressions can convey emotional nuances that words fail to communicate. Researcher Terrence Sejnowski has developed a computer program that analyzes images of human faces, purportedly matching the skills of professionals trained to read fleeting expressions of emotion. Learn more in an online article from the Howard Hughes Medical Institute’s HHMI Bulletin and at the […]
- Computing
New initiatives scale up supercomputing
Several government efforts aim to give researchers access to computing power in the range of 12 trillion operations per second or more.
- Computing
Web worms: Code Red to Warhol
Using an efficient infection strategy, a malicious programmer could deploy a rogue computer program far more voracious than the Code Red worm that struck on July 19.
- Tech
New method lights a path for solar cells
Using a technique in which chemical ingredients assemble themselves, a research team has developed a potentially inexpensive way of making solar cells.
- Tech
Soaking Up Rays
Although light shines through body parts of a primitive marine sponge much as it does through sophisticated optical fibers for telecommunications, scientists differ on whether sponges hold clues to better fibers for humankind.
- Tech
Setting electronics in artificial stone
Electronics components made of Portland cement may one day be part of buildngs and roadways that double as gargantuan sensors or other current-carrying devices.
- Tech
Having gathered moss, water drops roll
A coating of water-repellent powder transforms water droplets into remarkably mobile and resiliant balls, hoops, or peanut-shaped blobs.
- Tech
Biotechnology may fortify U.S. Army
A government-sponsored study says the U.S. Army may benefit from advances in biotechnology during the next 25 years, including sensors that identify soldiers by the food they ate, protein-based computers, near-instant vaccines, and automated wound treatments.
- Tech
Optics oddity challenges microchip makers
An obscure optical effect called instrinsic birefringence has suddenly appeared as a threat to technology for making denser, faster microchips.
- Tech
Dances with Robots
Soldiers, rescue workers, and others may attain superhuman strength, speed, and endurance as a result of a new military program to develop powered robotic exoskeletons contoured to a person's body.
- Tech
Device fingers chemical thugs at scene
A compact, new instrument exploits quantum mechanics to rapidly identify illegal drugs, pollutants, and other chemicals, on the spot.
- Tech
Robosaur roams with spring in its step
The novel dinosaur robot Troodon takes two-legged walking machines onto new terrain.
