Its current 50% discount off light, sweet crude was, until recently, unheard of.
About 60 to 200 miles overhead, the particles bump into the Earth's atmosphere and become electrically "excited" -- throwing off light of various colors, said Prof.
That happens because, provided those electrons that have given off light are quickly pumped back to their excited states, the light bouncing around between the mirrors will stimulate the production of yet more light and a powerful, coherent beam will emerge.
If so, how much sleep do you get, and when do you turn off the light?
It's a shingled house, embedded in a grove of redwoods and cut off from light.
They ricocheted off a traffic light above him and off the open door of the booth.
The benefit of studying white dwarfs, though, is that they give off less light than other types of stars.
Lighthouse authority Trinity House plans to switch off Godrevy light on the edge of St Ives Bay by 2010.
BBC: NEWS | UK | England | Cornwall | Lighthouse switch-off considered
Since then Deisseroth and Boyden have discovered other microbial proteins that can be used to turn brain cells off with light.
When she climbed into bed, he had already turned off the light on his side, and he closed his eyes as if he were asleep.
There are some points of value, such as turning off a light from afar, adjusting a thermostat or checking if you left the oven on.
More and more people are taking their tablets to bed with them to surf the web, check Facebook or email before switching off the light.
FORBES: Links 11 Sept: Apple's iPhone 5 Could Add Half A Percent to US GDP
We tend to manage what we measure, and by identifying a specific bedtime, you might find yourself developing the habit of turning off the light earlier.
The power needed to run such a small chip is so low that it could be done off stray light in a room, or even body heat.
However, if the solution is a simple DIY remedy like tightening your gas cap, you can go ahead and turn off the light with the app itself, saving you time and money.
ENGADGET: Automatic Link connects phone and car for better driving, we go hands-on (video)
Although the exact mechanism is still not entirely understood, it turns out that illuminating the liquid crystal, applying a voltage across a small region of it, and then turning off the light source causes a small amount of charge to be stored in that region.
We bounce light off of visible parts into hidden parts and then measure the time and direction of returned light.
It uses a small spectrometer to bounce infrared light off particles in the sample.
Changes in the ions' vibration rate were measured by bouncing laser light off them.
ECONOMIST: Scientists measure a few yoctonewtons for the first time
She just seemed to take it, never gave anything off, not light, not heat.
On and off blips of light were used to represent the 1s and 0s of binary computer code.
On and off blips of light were used to represent the ones and zeros of binary computer code.
Will the last one out please remember to turn off the black light?
Holographic images are created by reflecting light off carefully sculpted plastic surfaces.
Well one of the consequences of all this row is that it's taken the spot light off the issue that you're dealing with - pensions.
BBC: NEWS | Programmes | Politics Show | Jon Sopel interview
And even before she had allowed half an inch of morning light to show itself she was aware of a dark stripe cutting that light off.
Light off: Listlessness and indifference to sweets return.
WSJ: Scientists Cast Light Onto Roots of Illness Deep in the Brain
About 20 feet down the garden was a Puma as the dogs started barking it looked towards me its eyes glowing it then jumped over the fence to the next door garden setting off their security light.
MOLA, which works by bouncing beams of light off the planet's surface, has found mountains twice as high as Everest, a crater ten kilometres deep, and huge valleys carved by more water than scientists believed had ever existed on Mars.
应用推荐