Energy
in sentence
8191 examples of Energy in a sentence
And the more you understand that, the better you would understand what this dark
energy
that the universe is made of is all about.
And after, as I reflected on that, I decided to eliminate negative
energy
from my life.
How would you change your relationships and the negative
energy
in them?
I became enamored of the power of evolution, and I realized something very fundamental: in most of the existence of life in single-celled organisms, each cell simply divides, and all of the genetic
energy
of that cell is carried on in both daughter cells.
And very rapidly, they became multi-cellular, they could replicate, they could use photosynthesis as a way of getting their
energy
source.
Later in a lecture that he gave on clean energy, he pulled it out and said, "And people at MIT, they give out periodic tables."
And what we've been able to do is engineer a virus to basically take dye-absorbing molecules and line them up on the surface of the virus so it acts as an antenna, and you get an
energy
transfer across the virus.
We can do the same for geothermal
energy
and solar power.
So this shows ... (Laughter) (Applause) When the wind is blowing, any excess
energy
coming from the windmill is diverted into the battery.
But you know, when there is a political churning of society, it unleashes a lot of
energy.
We can actually do the same thing with much less
energy.
Unlike the low entropy of the early universe, even though we don't know the answer for this, we at least have a good theory that can explain it, if that theory is right, and that's the theory of dark
energy.
It's just the idea that empty space itself has
energy.
In every little cubic centimeter of space, whether or not there's stuff, whether or not there's particles, matter, radiation or whatever, there's still energy, even in the space itself.
And this energy, according to Einstein, exerts a push on the universe.
Because dark energy, unlike matter or radiation, does not dilute away as the universe expands.
The amount of
energy
in each cubic centimeter remains the same, even as the universe gets bigger and bigger.
But if there's dark energy, and the dark
energy
does not go away, the universe is just going to keep expanding forever and ever and ever.
A precisely similar calculation by Hawking and Gary Gibbons showed that if you have dark
energy
in empty space, then the whole universe radiates.
The
energy
of empty space brings to life quantum fluctuations.
If the dark
energy
remains around, the stars around us will use up their nuclear fuel, they will stop burning.
And what scientists didn't predict is that, as this ice melts, these big pockets of black water are forming and they're grabbing the sun's
energy
and accelerating the melting process.
The brief is that the bus should use 40 percent less
energy.
And to make the project affordable, we focused our
energy.
And the government agreed to do that and not do anything else, and focus our
energy
on that.
But capitalizing on their enthusiasm, capitalizing on their
energy
means finishing the job that they started 20 years ago.
Structures are continuously built, they are decomposed and recycled, and all of that is powered by solar
energy.
Yes, yes, I know, I know, our world is based on fossil fuels, but we can adjust our society to run on renewable
energy
from the Sun to create a more sustainable and secure future.
Solar energy, on the other hand, is distributed around the whole globe, and no one can blockade the sun.
We need that same kind of passion and
energy
to attack global gridlock.
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