News tagged with traffic light

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.

Nanotechnology / Nanophysics

created May 08, 2012 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

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.

Technology / Engineering

created May 21, 2012 | popularity 2.5 / 5 (2) | comments 0

IROS gets earful on Google's self-driving cars (w/ video)

(PhysOrg.com) -- Lots of people now know about Google's self-driving car project. The latest stats find Google's fleet of robotic vehicles have done over 190,000 miles with only occasional human interventio ...

Technology / Engineering

created Oct 19, 2011 | popularity 5 / 5 (9) | comments 12 | with audio podcast report

IBM wants traffic lights to stop your car

(PhysOrg.com) -- IBM has filed a patent application for a traffic light system that can remotely stop and start the engines of vehicles, with the aim of increasing fuel consumption efficiency at busy intersections.

Technology / Hi Tech & Innovation

created May 26, 2010 | popularity 2.4 / 5 (16) | comments 37 | with audio podcast report

Two new studies suggest ways of improving traffic flow

(PhysOrg.com) -- Two studies have just been published that may help improve traffic flows. The first, presented as a Santa Fe Institute working paper for September, concluded that if traffic lights responded ...

Technology / Engineering

created Sep 21, 2010 | popularity 5 / 5 (5) | comments 15 | with audio podcast report

What causes traffic gridlock?

Everyday life enters a different phase on the Tuesday after Labor Day, the unofficial start of autumn in the United States. As students and employees return from vacation, and vehicles fully flood roadways ...

Physics / General Physics

created Sep 07, 2011 | popularity 4.2 / 5 (5) | comments 5 | with audio podcast

City-wide sensor system could make cities run more smoothly

(PhysOrg.com) -- By installing millions of sensors throughout a city and hooking them up to an urban operating system, the Portuguese-based company Living PlanIT envisions that, in the future, cities could ...

Technology / Hi Tech & Innovation

created Oct 04, 2011 | popularity 3 / 5 (1) | comments 5 | with audio podcast weblog

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 ...

Technology / Engineering

created Mar 14, 2012 | popularity 2.4 / 5 (5) | comments 15 | with audio podcast

Data from savvy cabbies to help improve online mapping

(PhysOrg.com) -- Microsoft is planning to tap into the intimate knowledge taxi drivers have of their cities to improve their online mapping systems and help drivers navigate to their destinations faster.

Technology / Hi Tech & Innovation

created Nov 08, 2010 | popularity 3.6 / 5 (5) | comments 2 | with audio podcast report

Power grid change may disrupt clocks

A yearlong experiment with the nation's electric grid could mess up traffic lights, security systems and some computers - and make plug-in clocks and appliances like programmable coffeemakers run up to 20 ...

Technology / Other

created Jun 24, 2011 | popularity 4.3 / 5 (11) | comments 20

Researchers roll out a new form of lighting

In this month's edition of Physics World, Paul Blom and Ton van Mol from the Holst Centre in Eindhoven describe a way of creating thin, flexible sheets of organic light-emitting diodes (OLEDs) using a cheap, newspaper-style "roll- ...

Physics / General Physics

created Nov 01, 2011 | popularity 4.7 / 5 (11) | comments 3 | with audio podcast

At a crossroads: New research predicts which cars are likeliest to run lights at intersections

In 2008, according to the National Highway Traffic Safety Administration, 2.3 million automobile crashes occurred at intersections across the United States, resulting in some 7,000 deaths. More than 700 of ...

Technology / Engineering

created Nov 30, 2011 | popularity 4.5 / 5 (2) | comments 9 | with audio podcast

Pioneer to sell augmented reality navigation system for cars

(PhysOrg.com) -- Virtual reality may take us to worlds that worlds that we have never been to before, but augmented reality can make the world that we already live in a better, or at least a more digital, ...

Electronics / Consumer & Gadgets

created May 10, 2011 | popularity 4 / 5 (5) | comments 14 | with audio podcast weblog

A mathematical model for moving bottlenecks in road traffic

Serious traffic gridlocks, like the jam on Beijing's national expressway a few months ago which brought vehicles to a halt for days, are a real-world issue needing attention. Unfortunately, such standstills are not uncommon ...

Other Sciences / Mathematics

created Jan 19, 2011 | popularity 1 / 5 (1) | comments 0 | with audio podcast

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 ...

Technology / Energy & Green Tech

created Mar 01, 2012 | popularity 3.7 / 5 (3) | comments 0