New LED streetlight design curbs light pollution
Streetlights illuminate the night, shining upon roadways and sidewalks across the world, but these ubiquitous elements of the urban environment are notoriously inefficient and major contributors to light ...
Driving a changed approach to shopping
Small suburban shopping centres are disproportionately threatened by policies on climate change and traffic congestion that discourage consumers from using their cars, research shows.
Seeing red: Why cyclists ride through traffic lights
You've probably seen it happen. You're driving your car and you come to a stop at the traffic lights. You're mindful of traffic infringement fines and public safety, then someone on a bike rides past you, ...
Lighting the way in reducing greenhouse gas emissions
Recycling, reusing and reducing are all ways in which Europeans are assisting in efforts to reduce greenhouse gas (GHG) emissions. It is a far cry from the days when we threw everything away without thought. ...
Quantum cryptography goes maintream
(Phys.org)—Researchers from Toshiba and the Department of Engineering have perfected a technique that offers a less expensive way to ensure the security of high-speed fibre-optic cables, protecting communication ...
New instrument that measures LED intensity could help cities with traffic light maintenance
(Phys.org)—In many of the nation's traffic lights, light-emitting diodes or LEDs with their brighter light and longer life have replaced standard bulbs. But knowing when to replace the signal heads has remained a guessing ...
Length of yellow caution traffic lights could prevent accidents: study
A couple of years ago, Hesham Rakha misjudged a yellow traffic light and entered an intersection just as the light turned red. A police officer handed him a ticket.
US, university test cars that can communicate
In a few weeks, about 2,800 cars, trucks and buses will start talking to each other on the streets of Ann Arbor, Michigan, in a giant experiment that government officials are hoping will lead to safer roads.
Routine justice: Research shows how racial and gender profiling can affect outcome of traffic stops
(Phys.org) -- Racial profiling has gained national attention in recent years, and a Kansas State University researcher is finding that it can involve an additional factor: gender.
Smart highways to avoid traffic jams
(Phys.org) -- Traffic lights on highway access ramps can help prevent traffic jams. Swiss engineers are testing this approach to increase the capacity of Swiss highways.
Researchers develop technique to keep cool high-power semiconductor devices used in wireless applications, electric cars
A group of researchers at the University of California, Riverside Bourns College of Engineering have developed a technique to keep cool a semiconductor material used in everything from traffic lights to electric cars.
The 'twilight zone' of traffic costs lives at stoplight intersections
(PhysOrg.com) -- Hundreds of lives are being lost each year in the United States because of mistakes made in what engineers call the "dilemma zone" that area before a stoplight intersection where the ...
Generating electricity from vibrations in road surface works
A pilot research project into vibration energy on the N34 provincial motorway near Hardenberg in the eastern Netherlands has shown that vibration energy as a local energy source is a sustainable alternative ...
Research warns drivers about most deadly, accident-prone intersections
(PhysOrg.com) -- The difference between an intersection controlled by flashing lights and one controlled by a stop sign can play a big role in accident prevention, according to a new study by researchers at The University of Texas at Austin. ...