Power grid upgrades may cause blackouts, warns Braess's paradox
Evolution shapes new rules for ant behavior
In ancient Greece, the city-states that waited until their own harvest was in before attacking and destroying a rival community's crops often experienced better long-term success.
Engineers enable 'bulk' silicon to emit visible light for the first time
Electronic computing speeds are brushing up against limits imposed by the laws of physics. Photonic computing, where photons replace comparatively slow electrons in representing information, could surpass ...
UK explores TV transmitter option to track aircraft
Euclid Zero debuts to capture in-store shopper behavior
Toyota, Audi driverless demos will pull up to CES
Silicon nanophotonics: Using light signals to transmit data
(Phys.org)—IBM announced today a major advance in the ability to use light instead of electrical signals to transmit information for future computing. The breakthrough technology – called "silicon nanophotonics" ...
Calgary rolls out Bluetooth travel time system
Biophysicists unravel cellular 'traffic jams' in active transport
UMass Amherst biophysicists, using a unique microscope, have improved upon earlier studies that used too-simple models not able to account for the densely crowded, dynamic conditions of a active transport ...
Researchers find way to boost WiFi performance 400-700 percent
As many WiFi users know, WiFi performance is often poor in areas where there are a lot of users, such as airports or coffee shops. But researchers at North Carolina State University have developed a new software program, ...
Alaska volcano shoots ash 15,000 feet into the air
(AP)—One of Alaska's most restless volcanoes has shot an ash cloud 15,000 feet into the air in an ongoing eruption that has drawn attention from a nearby community but isn't expected to threaten air traffic.
Robotic refueling mission practices new tasks
(Phys.org) —With a historic robotic refueling demo ticked off its checklist, NASA's Robotic Refueling Mission (RRM) put down the hose and picked up the screwdriver and utility knife. This latest round of ...
Facebook eyes $1bn deal for GPS app Waze
Facebook is in talks on a potential $1 billion deal to buy the Israel-based GPS mobile navigation app Waze, The Wall Street Journal reported.
UK budget airline to test ash cloud detector
A U.K. budget airline will create an artificial volcanic ash cloud over Europe this summer to test ash detection technology. The experiment aims to avoid the kind of chaos that paralyzed air traffic during ...