Phone companies slash carbon footprint with green phone solution
Avaya and this year's favourite technology partner, Extreme Networks, have launched green telephony solutions that save as much as 75 per cent of the energy normally burnt keeping phone systems going.
New fuel cells double efficiency
Nippon Oil is among the developers - including BT and BP- testing a new type of residential fuel cell that has 25 per cent higher generation efficiency than current offerings, the New Energy Foundation told Ecological-IT on Monday.
Free energy: is it as bogus as a BBC competition winner?
Steorn made headlines around the world when it claimed to have developed a device that produced "free energy".
Throughout early July, the company planned to display the device to the public for the first time.
Professor Sir Eric Ash, electrical engineer and former rector of Imperial College London, visited the demonstration for the Ecological-IT.
A Vibrator could be just the tonic for patients with irregular heart beats
A tiny generator powered by natural vibrations could soon be helping keep heart pacemakers working.
Created by scientists at the University of Southampton, UK, the generator has been developed to power devices where replacing batteries is very difficult.
Solar power doubles in the land of the rising sun
The Japs have the answer to global warming and oil dependency: photovoltaic cell based on quantum dots.
Boffin Yoshitaka Okada, at the University of Tsukuba, says quantum-dot solar cells will eventually be able to convert light into electrical energy with more than double the efficiency of today's best silicon-based solar cells.