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Dr Georgina Benn is using it
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Secrets of Size: Atoms to Supergalaxies

Dr Georgina Benn is using it to understandone of our deadliest enemies

Dr Georgina Benn is using it to understand
one of our deadliest enemies

Full Transcript

00:00:01.000 --> 00:00:03.399
Dr Georgina Benn is using it
00:00:03.004 --> 00:00:06.036
to understand one of our deadliest enemies.
Duration
6 seconds
Views
24
Timestamp in Movie
00:27:34
Uploaded
May 06, 2025
Season
1
Episode
1
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 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 ...
S01 • E02 That's because many astronomical objects give off radiation - Secrets of Size: Atoms to Supergalaxies 00:10
That's because many astronomical objects give off radia...
S01 • E01 Right. My scan's going to be 500 nanometres wide. - Secrets of Size: Atoms to Supergalaxies 00:05
Right. My scan's going to be 500 nanometres wide.
S01 • E01 So we're now looking at the surface of the bacteria? Yes. Yes. - Secrets of Size: Atoms to Supergalaxies 00:04
So we're now looking at the surface of the bacteria? Ye...
S01 • E01 This is really impressive. - Secrets of Size: Atoms to Supergalaxies 00:04
This is really impressive.
S01 • E01 What we're looking at here is bacteria skin - Secrets of Size: Atoms to Supergalaxies 00:14
What we're looking at here is bacteria skin
S01 • E02 On this end you have gamma rays, - Secrets of Size: Atoms to Supergalaxies 00:06
On this end you have gamma rays,
S01 • E02 Then X-rays and then ultraviolet. - Secrets of Size: Atoms to Supergalaxies 00:04
Then X-rays and then ultraviolet.