News tagged with efficiency

results timeline


UN climate official warns of Indian energy 'crisis'

Space & Earth / Environment

created Dec 23, 2009 | popularity 3.4 / 5 (8) | comments 3

India's reliance on coal means the country is heading for an energy crisis unless it diversifies its sources of power, the chairman of the UN's top climate change panel predicted on Wednesday.


Method makes refineries more efficient

Chemistry / Other

created Dec 22, 2009 | popularity 4.5 / 5 (6) | comments 0

(PhysOrg.com) -- Refineries could trim millions of dollars in energy costs annually by using a new method developed at Purdue University to rearrange the distillation sequence needed to separate crude petroleum into products.


Hot electron solar cell

Hot Electrons Could Double Solar Cell Power Efficiency

Nanotechnology / Nanophysics

created Dec 18, 2009 | popularity 4.3 / 5 (15) | comments 2

Scientists have experimentally verified a theory suggesting that hot electrons could double the output of solar cells. The researchers, from Boston College, have built solar cells that successfully use hot ...


Elusive 'hot' electrons captured in ultra-thin solar cells

Physics / General Physics

created Dec 11, 2009 | popularity 4.5 / 5 (12) | comments 3

Boston College researchers have observed the "hot electron" effect in a solar cell for the first time and successfully harvested the elusive charges using ultra-thin solar cells, opening a potential avenue to improved solar ...


New techniques make carbon-based integrated circuits more practical

New techniques make carbon-based integrated circuits more practical

Nanotechnology / Nanophysics

created Dec 09, 2009 | popularity 4.9 / 5 (13) | comments 4

(PhysOrg.com) -- Stanford engineers have built what they believe is a chip with the most advanced computing and storage elements made of carbon nanotubes to date by devising a way to root out the stubborn ...


Innovation puts next-generation solar cells on the horizon

Chemistry / Materials Science

created Dec 01, 2009 | popularity 4.3 / 5 (30) | comments 12

In a world first, a Monash University-led international research team has developed an innovative way to boost the output of the next generation of solar cells.


Flying dinosaur controversy resolved

Flying dinosaur controversy resolved

Other Sciences / Archaeology & Fossils

created Dec 10, 2009 | popularity 3.5 / 5 (17) | comments 2

(PhysOrg.com) -- New research appears to have ended a scientific debate that has vexed palaeontologists for almost 100 years.


Turning heat to electricity

Turning heat to electricity... efficiently

Physics / General Physics

created Nov 18, 2009 | popularity 4.8 / 5 (65) | comments 9

(PhysOrg.com) -- In everything from computer processor chips to car engines to electric powerplants, the need to get rid of excess heat creates a major source of inefficiency. But new research points the way ...


The Physics of Pizza Tossing

The Physics of Pizza Tossing

Physics / General Physics

created Apr 09, 2009 | popularity 3.6 / 5 (13) | comments 6

(PhysOrg.com) -- As dough flies through the air, transforming from a ball into a disk in the chef’s experienced hands, pizza tossing can definitely be thought of as an art. But, as a recent study shows, pizza ...


Jellyfish Robot Swims Like its Biological Counterpart

Jellyfish Robot Swims Like its Biological Counterpart

Electronics / Robotics

created Jun 26, 2009 | popularity 4.4 / 5 (9) | comments 1

(PhysOrg.com) -- "Jellyfish are one of the most awesome marine animals, doing a spectacular and psychedelic dance in water," explain engineers Sung-Weon Yeom and Il-Kwon Oh from Chonnam National University ...


3-D system based on optical fiber could provide new options for photovoltaics

3-D system based on optical fiber could provide new options for photovoltaics

Nanotechnology / Nanomaterials

created Nov 02, 2009 | popularity 4.4 / 5 (10) | comments 0

Converting sunlight to electricity might no longer mean large panels of photovoltaic cells atop flat surfaces like roofs.


NREL Uncovers Clean Energy Leaders State by State

NREL Uncovers Clean Energy Leaders State by State

Technology / Energy

created Nov 24, 2009 | popularity 3.4 / 5 (5) | comments 2

(PhysOrg.com) -- That California and Texas still lead the United States in generating renewable energy probably is no surprise. But, NREL's 2009 State of the States report shows that several smaller states ...


Is Tetris good for the brain?

Is Tetris good for the brain?

Medicine & Health / Neuroscience

created Sep 01, 2009 | popularity 4.3 / 5 (11) | comments 21

Brain imaging shows playing Tetris leads to a thicker cortex and may also increase brain efficiency, according to research published in the open access journal BMC Research Notes. A research team based in ...


Home heating efficiencies offer 'hat trick' of savings: study

Space & Earth / Environment

created Dec 15, 2009 | popularity 3 / 5 (1) | comments 0

Improving the energy efficiency of Maryland homes heated by natural gas would generate a "hat trick" of economic and environmental benefits over the next 10 years, including more than 80,000 new jobs, savings of hundreds ...


Hydrogen Storage Gets New Hope

Hydrogen Storage Gets New Hope from Rechargeable 'Chemical Fuel Tank'

Chemistry / Materials Science

created Sep 01, 2009 | popularity 3.9 / 5 (18) | comments 19

(PhysOrg.com) -- A new method for "recycling" hydrogen-containing fuel materials could open the door to economically viable hydrogen-based vehicles.