Sentences with phrase «consumed about a tenth»

Fusion is more efficient than fission, but even if we enclose the sun in a perfect Dyson sphere, we'll still never convert more than about 0.08 percent of the sun's mass to energy we can use, because once the sun has consumed about a tenth of its hydrogen fuel, it will end its lifetime as a normal star, expand into a red giant, and begin to die.

Not exact matches

Only about one - tenth of 1 percent of the energy consumed in the United States came from solar sources in 2008.

LEDs consume about one - tenth of the power of an incandescent and half of the power of fluorescents.