Could you use up all the energy in the universe?

Moment of Um

American Public Media

Kids & Family, Education For Kids

4.4 • 1.5K Ratings

🗓️ 20 January 2025

⏱️ 6 minutes

🔗️ Recording | iTunes | RSS

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Summary

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!

Transcript

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0:00.0	From Brains on, this is the moment of um.
0:05.8	Answering those questions that make you go um.
0:09.9	Um.
0:10.0	Moment of um um, comes to you from APM Studios. I'm Mr. Brisket.
0:29.9	Is this video recording? What's up, fam? It's me, your hype monster, Mr. Brisket. And you know what I'm up to?
0:37.2	Recording another completely unhinged air. Last week, your hype monster, Mr. Brisket. And you know what I'm up to? Recording another completely unhinged dare.
0:40.6	Last week, y'all dared me to eat 16 ghost peppers with no milk and boy, was that a bad
0:46.6	idea.
0:47.5	Here's the clip.
0:48.8	Ah, my brain is lava!
0:52.0	So what is your dude, Mr. Brisket up to now?
0:55.0	Y'all dared me to make the biggest holiday light display ever.
1:00.0	So I came through with not 100, not a thousand, but 100,000 lights.
1:08.0	Peep this jingletastic setup. Every centimeter of my house is covered in lights, yo!
1:14.6	Let's fire this bad boy up. Three, two, one.
1:21.6	So much light.
1:25.6	Oh, they said it couldn't be done.
1:29.2	They said it would be too bright.
1:32.2	They said it would use up all the energy in the universe.
1:36.3	Wait, I am using a lot of energy.
1:39.9	If I use it all, then...
1:42.5	Then I wouldn't be able to charge my phone.
	...

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