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And now if we just set it rotating
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Secrets of Size: Atoms to Supergalaxies

And now if we just set it rotating at the speed we know it's rotatingat, we can see what...

And now if we just set it rotating at the speed we know it's rotating
at, we can see what happens

Full Transcript

00:00:01.000 --> 00:00:03.119
And now if we just set it rotating
00:00:03.012 --> 00:00:06.056
at the speed we know it's rotating at, we can see what happens.
Duration
7 seconds
Views
23
Timestamp in Movie
00:26:54
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 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 As the galaxy revolves, - Secrets of Size: Atoms to Supergalaxies 00:07
As the galaxy revolves,
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
S01 • E01 So, E coli are really good at resisting antibiotics - Secrets of Size: Atoms to Supergalaxies 00:18
So, E coli are really good at resisting antibiotics
S01 • E02 We can't detect it directly, - Secrets of Size: Atoms to Supergalaxies 00:07
We can't detect it directly,
S01 • E02 Most cosmologists now think our galaxy is surrounded - Secrets of Size: Atoms to Supergalaxies 00:11
Most cosmologists now think our galaxy is surrounded
S01 • E01 So this is the full cell? The full bacteria? Yeah. - Secrets of Size: Atoms to Supergalaxies 00:05
So this is the full cell? The full bacteria? Yeah.
S01 • E02 Some estimates say it could be up to two million light years across. - Secrets of Size: Atoms to Supergalaxies 00:06
Some estimates say it could be up to two million light years...
S01 • E01 So you can sort of start to see features on the surface. - Secrets of Size: Atoms to Supergalaxies 00:06
So you can sort of start to see features on the surface.
S01 • E02 The light we can see with our own eyes - Secrets of Size: Atoms to Supergalaxies 00:08
The light we can see with our own eyes
S01 • E01 And these are already well below optical microscopy kind of sizes. - Secrets of Size: Atoms to Supergalaxies 00:06
And these are already well below optical microscopy kind of ...