Intelligent Traffic System Predicts Future Traffic Flow on Multiple Roads

Intelligent Traffic System Predicts Future Traffic Flow on Multiple Roads

Technology / Engineering

created Oct 12, 2009 | popularity 4.3 / 5 (56) | comments 5

(PhysOrg.com) -- In urban areas, there’s almost always more than one way to get somewhere, but often it’s difficult to predict which road will be fastest. In an attempt to improve traffic flow and decrease ...


ultracapacitor buses

Ultracapacitors Make City Buses Cheaper, Greener

Technology / Energy

created Oct 21, 2009 | popularity 4.5 / 5 (45) | comments 31

(PhysOrg.com) -- A fleet of 17 buses near Shanghai has been running on ultracapacitors for the past three years, and today that technology is coming to the Washington, DC, for a one-day demonstration. Chinese ...


New rechargeable zinc-air batteries coming soon

New rechargeable zinc-air batteries coming soon

Technology / Energy

created Oct 29, 2009 | popularity 4.5 / 5 (42) | comments 15

(PhysOrg.com) -- A new breed of rechargeable zinc-air batteries is soon to be available, and may replace lithium-ion batteries in cell phones, laptops and other consumer items. Lithium-ion batteries store ...


Metal air battery

Metal-Air Battery Could Store 11 Times More Energy than Lithium-Ion

Technology / Energy

created Nov 05, 2009 | popularity 4.3 / 5 (41) | comments 11

(PhysOrg.com) -- A spinoff company from Arizona State University plans to build a new battery with an energy density 11 times greater than that of lithium-ion batteries for just one-third the cost. With a ...


Dyson's Bladeless Fan

Dyson Unveils His Bladeless Fan (w/ Videos)

Technology / Hi Tech

created Oct 14, 2009 | popularity 3.9 / 5 (38) | comments 25

(PhysOrg.com) -- James Dyson, inventor of the bag-less vacuum cleaners has taken his invention one step further with the unveiling of the bladeless fan. Using 'Air Multiplier' technology the bladeless fan ...


Cyborg beetles to be the US military's latest weapon

Cyborg beetles to be the US military's latest weapon (w/ Video)

Technology / Hi Tech

created Oct 15, 2009 | popularity 4.7 / 5 (27) | comments 35

(PhysOrg.com) -- A team of scientists funded by the US Defense Advanced Research Projects Agency (DARPA) have implanted miniature neural and muscle stimulation systems into beetles to enable their flight to ...


Sharp Develops Solar Cell with World’s Highest Conversion Efficiency of 35.8%

Sharp Develops Solar Cell with World's Highest Conversion Efficiency of 35.8%

Technology / Energy

created Oct 22, 2009 | popularity 4.5 / 5 (26) | comments 12

Sharp Corporation has achieved the world's highest solar cell conversion efficiency (for non-concentrator solar cells) of 35.8% using a triple-junction compound solar cell.


Solar power generation around the clock

Solar power generation around the clock

Technology / Energy

created Nov 05, 2009 | popularity 4.5 / 5 (26) | comments 15

(PhysOrg.com) -- A Californian company, SolarReserve, is developing a solar power system that can store seven hours' worth of solar energy by focusing mirrors onto millions of gallons of molten salt, allowing ...


Shifting the world to 100 percent clean, renewable energy as early as 2030 -- here are the numbers

Shifting the world to 100 percent clean, renewable energy as early as 2030 -- here are the numbers

Technology / Energy

created Oct 19, 2009 | popularity 3.5 / 5 (31) | comments 21

Most of the technology needed to shift the world from fossil fuel to clean, renewable energy already exists. Implementing that technology requires overcoming obstacles in planning and politics, but doing so ...


Toyota to release solar charger for electric vehicles

Toyota to release solar charger for electric vehicles

Technology / Energy

created Oct 27, 2009 | popularity 4.2 / 5 (25) | comments 10

(PhysOrg.com) -- Toyota is developing a solar charging station for electric cars and plug-in hybrids, making a green technology even greener. It has also designed a battery charger for mounting inside an electric ...


Ubuntu

Ubuntu 9.10 just released

Technology / Software

created Oct 29, 2009 | popularity 4.3 / 5 (24) | comments 4

(PhysOrg.com) -- Canonical is releasing Ubuntu 9.10, the Karmic Koala, the latest version of its open-source operating system, and it aims to attract business and enterprise users to join the growing numbers ...


The explainer: P vs. NP -- The most notorious problem in theoretical computer science remains open

P vs. NP -- The most notorious problem in theoretical computer science remains open

Technology / Computer Sciences

created Oct 29, 2009 | popularity 4.6 / 5 (22) | comments 5

In the 1995 Halloween episode of The Simpsons, Homer Simpson finds a portal to the mysterious Third Dimension behind a bookcase, and desperate to escape his in-laws, he plunges through. He finds himself wander ...


A system of space solar power system (SSPS)

Japan eyes solar station in space as new energy source

Technology / Energy

created Nov 08, 2009 | popularity 4.8 / 5 (21) | comments 26

It may sound like a sci-fi vision, but Japan's space agency is dead serious: by 2030 it wants to collect solar power in space and zap it down to Earth, using laser beams or microwaves.


Sahara

Will Europe Be Powered by the Sahara

Technology / Energy

created Nov 04, 2009 | popularity 4.1 / 5 (23) | comments 27

(PhysOrg.com) -- Europe has long been interested in developing alternative energy sources. And, one of the more interesting places that some Europeans are looking for solar power is the Sahara. With the vast ...


Improved redox flow batteries for electric cars

Improved redox flow batteries for electric cars

Technology / Energy

created Oct 13, 2009 | popularity 4.6 / 5 (20) | comments 14

A new type of redox flow battery presents a huge advantage for electric cars. If the rechargeable batteries are low, the discharged electrolyte fluid can simply be exchanged at the gas station for recharged ...