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Outlining his energy priorities, he said the country would not be held "hostage to dwindling resources, hostile regimes, and a warming planet". He called for greater fuel efficiency and an "energy economy" aimed at creating millions of jobs.
 Barack Obama USA energy environment oil
A new method of examining the inner workings of plants has shed light on how they harvest the Sun's energy.


 energy photosynthesis solar
If a steady stream of mini-stars can be created, then a power station could be constructed.


 energy nuclear fusion Iter clean star hydrogen helium tritium deuterium
A car that runs on just hydrogen and solar power has completed a journey through Australia - the first crossing of a continent for a car of this type.


 energy solar hydrogen car
The world's first purpose-built hydrogen-powered bike could be fitted with an artificial "vroom" because of worries its silence might be dangerous.


 travel energy motorcycle hydrogen sound transport silence stealth
Record-breaking aviators Brian Jones and Bertrand Piccard hope to harness the Sun's power to fly round the world. The pair gained worldwide recognition in 1999 when they became the first to circumnavigate the globe in a balloon. Now they plan to repeat the journey in a solar-powered aeroplane which will have to use batteries to fly at night.


 energy solar circumnavigation flying
... solar films on buildings with enough left over to feed a surplus back into the grid. Tomáš J. Fülöpp 20071113: I expected something very similar to this. I thought bricks (or other construction materials) could be mass made with photovoltaic capabilities. they'd be modular, so large walls would produce more energy. and they could be cheap, because even low efficiency technology would be enough to provide enough...


 energy solar
Scientists believe that this helium 3 could be used to create a new source of almost inexhaustible, clean, pollution-free energy on Earth. ... If we had gold bricks stacked up on the surface of the Moon, we couldn't afford to bring them back. This material - at several billion dollars a ton - is what makes it all worthwhile.


 The Moon energy
If we could harness 0.1 per cent of the energy in the ocean, we could support the energy needs of 15 billion people.


 energy ocean current
Cold fusion, first announced 20 years ago on Monday, was claimed to be a boundless source of clean energy by Martin Fleischmann and Stanley Pons. Attempts to replicate their experiments failed, but a number of researchers insist that cold fusion is possible.


 energy cold fusion fusion
The US has finished constructing a huge physics experiment aimed at recreating conditions at the heart of our Sun. The US National Ignition Facility is designed to demonstrate the feasibility of nuclear fusion, a process that could offer abundant clean energy. The lab will kick-start the reaction by focusing 192 giant laser beams on a tiny pellet of hydrogen fuel. To work, it must show that more energy can be extracted from the process...


 physics laser nuclear fusion energy
When the world's most powerful laser facility flicks the switch on its first full-scale experiments later this month, a tiny star will be born on Earth.


 physics laser fusion astronomy nuclear star diamond energy