A mechanical device mimics how fish harness energy from water flow.
Stories Tagged "electricity"
A design that draws on jet engine technology could halve the cost of generating electricity from wind.
Ener-G-Rotors' system harvests energy at lower temperatures.
A more efficient generator could convert more of the wind's energy into electricity.
Improved dyes and electrolytes could make the Grätzel solar-cell design more practical.
With catalysts created by an MIT chemist, sunlight can turn water into hydrogen. If the process can scale up, it could make solar power a dominant source of energy.
Smart grid player GridPoint snaps up $120 million in financing.
Integrating solar cells into building materials could make solar power more attractive to homeowners.
We need to apply information technology to the energy grid.
Installations planned for California step up the scale of solar, but more is needed.