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As she did the maths, she realised something extraordinary
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Secrets of Size: Atoms to Supergalaxies

As she did the maths, she realisedsomething extraordinary

As she did the maths, she realised
something extraordinary

Full Transcript

00:00:01.000 --> 00:00:05.016
As she did the maths, she realised something extraordinary.
Duration
5 seconds
Views
22
Timestamp in Movie
00:26:24
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 • E02 OK, so we've shrunk the Milky Way - Secrets of Size: Atoms to Supergalaxies 00:09
OK, so we've shrunk the Milky Way
S01 • E01 Billions of atoms are now in contact. - Secrets of Size: Atoms to Supergalaxies 00:04
Billions of atoms are now in contact.
S01 • E02 Now, Vera Rubin was one of the leading figures - Secrets of Size: Atoms to Supergalaxies 00:09
Now, Vera Rubin was one of the leading figures
S01 • E01 Then the tiny van der Waals forces - Secrets of Size: Atoms to Supergalaxies 00:07
Then the tiny van der Waals forces
S01 • E01 And this was one of the forces - Secrets of Size: Atoms to Supergalaxies 00:07
And this was one of the forces
S01 • E02 We've set it up so we've mapped in - Secrets of Size: Atoms to Supergalaxies 00:05
We've set it up so we've mapped in
S01 • E01 When a tiny stylus - - Secrets of Size: Atoms to Supergalaxies 00:13
When a tiny stylus -
S01 • E02 And now if we just set it rotating - Secrets of Size: Atoms to Supergalaxies 00:07
And now if we just set it rotating
S01 • E02 As the galaxy revolves, - Secrets of Size: Atoms to Supergalaxies 00:07
As the galaxy revolves,
S01 • E01 Just like the spatulae on the foot of a gecko - Secrets of Size: Atoms to Supergalaxies 00:19
Just like the spatulae on the foot of a gecko
S01 • E02 And the problem is, if we just take all the mass that we have here - Secrets of Size: Atoms to Supergalaxies 00:07
And the problem is, if we just take all the mass that we hav...
S01 • E01 Measuring minuscule forces like these can paint a picture - Secrets of Size: Atoms to Supergalaxies 00:08
Measuring minuscule forces like these can paint a picture
S01 • E02 It can't provide enough gravity to stop the galaxy - Secrets of Size: Atoms to Supergalaxies 00:06
It can't provide enough gravity to stop the galaxy
S01 • E01 This is a modern atomic force microscope. - Secrets of Size: Atoms to Supergalaxies 00:04
This is a modern atomic force microscope.
S01 • E01 Dr Georgina Benn is using it - Secrets of Size: Atoms to Supergalaxies 00:06
Dr Georgina Benn is using it
S01 • E02 Either our theories of gravity don't apply universally at large scales, - Secrets of Size: Atoms to Supergalaxies 00:12
Either our theories of gravity don't apply universally ...
S01 • E01 I'm going to be imaging E coli, - Secrets of Size: Atoms to Supergalaxies 00:06
I'm going to be imaging E coli,
S01 • E01 So, with a normal microscope, we could look at just the bacteria. - Secrets of Size: Atoms to Supergalaxies 00:05
So, with a normal microscope, we could look at just the bact...
S01 • E02 It's now thought that perhaps around 85% - Secrets of Size: Atoms to Supergalaxies 00:11
It's now thought that perhaps around 85%
S01 • E01 But we need our atomic force microscope to be able to see - Secrets of Size: Atoms to Supergalaxies 00:05
But we need our atomic force microscope to be able to see