Technology
Smart-grid ‘stockbrokers’ to manage your power
Software agents that get the best price by buying and selling electricity on your behalf could increase grid efficiency and help you cut costs
News
Earth
Power of cool: Liquid air to store clean energy
News
Technology
Magnetic ‘battery’ to report on century-old nuke waste
News
Physics
Nuclear agency plans for futuristic waste option
News
Earth
A blue-green revolution: Upgrading photosynthesis
Features
Technology
Cellphone signals get personal to save power
News
Earth
Green Machine: Fill up your car with hydrogen beads
News
Earth
Efficiency could cut world energy use over 70 per cent
News
Technology
Cooperative cellphone networks could cut energy waste
News
Earth
Christmas trees could make a great green fuel
An air-free roasting process readies trees and other biomass to replace coal as fuel for power plants
News
Earth
2011 preview: Charge of the electric car
News
Earth
Is night falling on classic solar panels?
News
Earth
Sun and sand breed Sahara solar power
News
Earth
Cloud lasers: Hunting quantum secrets in the skies
Features