DiscoverMoment of UmCould you use up all the energy in the universe?
Could you use up all the energy in the universe?

Could you use up all the energy in the universe?

Update: 2025-01-20
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Energy powers our entire universe, whether it’s light from a star or energy stored in the food we eat. But could we ever run out? Will there be a time, far in the future, when the last drop of energy is used up?  We asked physicist Dr. Kiley Kennedy to help us find the answer.


Got a question that’s draining your mental battery? Send it to us at BrainsOn.org/contact and we’ll find the answer for you, because knowledge is power!

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Could you use up all the energy in the universe?

Could you use up all the energy in the universe?

American Public Media