Monitoring HIV on a Cheap Chip
A microfluidic chip could measure effectiveness of patient treatments in resource-poor countries.
Materials
A New Twist on Artificial Muscles
Carbon nanotube yarns produce as much torque as an electric motor.
The Quasicrystal Laureate
Nobel Prize winner Dan Shechtman discusses the potential uses for quasicrystals.
New Metal Deposits Found at Rare Earth Mine
The find could ease U.S. dependence on Chinese supply, but critics consider the announcement premature.
Nanotube Cables Hit a Milestone: As Good as Copper
Researchers achieve a goal they've been after since the 1980s—the advance could make cars and airplanes lighter, and renewable energy more practical.
Companies Put Their Heads Together to Make Chips that Stack Up
IBM and 3M aim to make ultrafast three-dimensional chips that can stay cool enough to be practical in consumer products.
Flash Memory That'll Keep On Shrinking
Using atom-thick carbon instead of silicon could pack ever more data into portable electronics.
High-Tech Demand Sparks Return of Cobalt Mines
Cobalt hasn't been mined in the U.S. in 30 years, but the blue metal's crucial role in energy and communications technologies is changing that.
The First Fully Stretchable OLED
UCLA device is a step toward video displays and phones that could swell or shrink.
Power-Scavenging Batteries
Inexpensive chips harvest mechanical energy to charge batteries for wireless sensors.
