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According to our current theory
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Secrets of Size: Atoms to Supergalaxies

According to our current theory, a similar principleapplies to the universe

According to our current theory, a similar principle
applies to the universe

Full Transcript

00:00:01.000 --> 00:00:03.359
According to our current theory,
00:00:03.036 --> 00:00:06.559
a similar principle applies to the universe.
Duration
7 seconds
Views
15
Timestamp in Movie
00:52:32
Uploaded
May 06, 2025
Season
1
Episode
2
Genres
documentary

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Movie Summary

In this mind-bending series, Jim Al-Khalili explores the vast range of size in the universe, from tiny atoms to gigantic, interconnected galaxies.
S01 • E01 So what we're looking at now is the same image - Secrets of Size: Atoms to Supergalaxies 00:07
So what we're looking at now is the same image
S01 • E02 After the Big Bang, - Secrets of Size: Atoms to Supergalaxies 00:10
After the Big Bang,
S01 • E01 You can already recognise there's two shadows here, - Secrets of Size: Atoms to Supergalaxies 00:06
You can already recognise there's two shadows here,
S01 • E01 But in the middle here, you recognise what you also saw - Secrets of Size: Atoms to Supergalaxies 00:12
But in the middle here, you recognise what you also saw
S01 • E02 The power of gravity brought together galaxies - Secrets of Size: Atoms to Supergalaxies 00:06
The power of gravity brought together galaxies
S01 • E02 But over a certain size, - Secrets of Size: Atoms to Supergalaxies 00:06
But over a certain size,
S01 • E02 Like my sandpaper, the universe should appear featureless. - Secrets of Size: Atoms to Supergalaxies 00:06
Like my sandpaper, the universe should appear featureless.
S01 • E01 Slowly getting closer and closer and closer. - Secrets of Size: Atoms to Supergalaxies 00:06
Slowly getting closer and closer and closer.
S01 • E02 This is what's called the cosmological principle - Secrets of Size: Atoms to Supergalaxies 00:08
This is what's called the cosmological principle
S01 • E01 We're going to be zooming into graphene much further in. - Secrets of Size: Atoms to Supergalaxies 00:05
We're going to be zooming into graphene much further in...
S01 • E01 This is a patch of graphene that's about 500 nanometres across. - Secrets of Size: Atoms to Supergalaxies 00:05
This is a patch of graphene that's about 500 nanometres...
S01 • E02 But recent findings have cast some doubt - Secrets of Size: Atoms to Supergalaxies 00:06
But recent findings have cast some doubt
S01 • E01 How does this, then, compare to the thickness of a human hair? - Secrets of Size: Atoms to Supergalaxies 00:04
How does this, then, compare to the thickness of a human hai...
S01 • E02 Remarkably, one of those discoveries was made by a student. - Secrets of Size: Atoms to Supergalaxies 00:05
Remarkably, one of those discoveries was made by a student.
S01 • E01 And so what we're trying to do, really, is zoom in even further - Secrets of Size: Atoms to Supergalaxies 00:07
And so what we're trying to do, really, is zoom in even...
S01 • E02 Alexia teaches violin to students - Secrets of Size: Atoms to Supergalaxies 00:11
Alexia teaches violin to students
S01 • E01 So we'll start reducing the magnification slowly. - Secrets of Size: Atoms to Supergalaxies 00:05
So we'll start reducing the magnification slowly.
S01 • E01 I'll go to magnify it ten times this time, - Secrets of Size: Atoms to Supergalaxies 00:07
I'll go to magnify it ten times this time,
S01 • E02 It was really exciting, but completely accidental. - Secrets of Size: Atoms to Supergalaxies 00:04
It was really exciting, but completely accidental.
S01 • E02 My supervisor had this idea of using this new technique - Secrets of Size: Atoms to Supergalaxies 00:14
My supervisor had this idea of using this new technique