Harnessing Hotspots
Electronic devices often develop ‘hot spots’ that can become detrimental to performance. Much research has focused on developing methods to cool the system, or,...
New quantum-dot LED design
By nestling quantum dots in an insulating egg-crate structure, researchers at the Harvard School of Engineering and Applied Sciences (SEAS) have demonstrated a robust...
Silicon and graphene for better batteries
Imagine a cellphone battery that stayed charged for more than a week and recharged in just 15 minutes. That dream battery could be closer...
Dye-sensitized solar cells more efficient than silicon cells
Dye-sensitized Grätzel solar cells have just set a new efficiency benchmark. By changing the composition and color of the cells, an EPFL team has...
Scientists to develop cheap fuel cells
Fuel cells seem like an ideal energy source—they’re clean, efficient, silent and don’t require transmission lines.
The hitch? They can be costly. Now scientists at...
Converting the energy of waste heat occurring in integrated circuits
The heat which occurs in tiny computer processors might soon be no longer useless or even a problem. On the contrary: It could be...
Display screens with colored solar cells
A new kind of screen pixel doubles as a solar cell and could boost the energy efficiency of cell phones and e-readers. The technology...
Power source for implants by breathing energy
Instead of using traditional batteries as a power source which require to be cut for replacing them with new ones, now there are various...
New cheap nanomaterial to convert heat into electricity
Waste heat is a byproduct of nearly all electrical devices and industrial processes, from driving a car to flying an aircraft or operating a...
The energy efficiency star is the attribute to a quarter of single American homes
According to the Environmental Protection Agency –EPA, the 25% of all single family homes were energy efficiency star certified in the US last year.
EPA...