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Electron microscope lenses are exactly the same
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Secrets of Size: Atoms to Supergalaxies

Electron microscope lensesare exactly the same, they also sufferfrom spherical aberration

Electron microscope lenses
are exactly the same, they also suffer
from spherical aberration

Full Transcript

00:00:01.000 --> 00:00:04.399
Electron microscope lenses are exactly the same,
00:00:04.004 --> 00:00:07.999
they also suffer from spherical aberration.
Duration
8 seconds
Views
18
Timestamp in Movie
00:40:02
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 • E01 And at high magnification, - Secrets of Size: Atoms to Supergalaxies 00:07
And at high magnification,
S01 • E02 What you heard there was the famous Doppler effect. - Secrets of Size: Atoms to Supergalaxies 00:04
What you heard there was the famous Doppler effect.
S01 • E01 Now, for glass lenses, this issue can be minimised. - Secrets of Size: Atoms to Supergalaxies 00:05
Now, for glass lenses, this issue can be minimised.
S01 • E02 As the car approaches, the pitch of the trumpet is high. - Secrets of Size: Atoms to Supergalaxies 00:04
As the car approaches, the pitch of the trumpet is high.
S01 • E01 You add a second lens, a concave lens, - Secrets of Size: Atoms to Supergalaxies 00:10
You add a second lens, a concave lens,
S01 • E02 The effect happens because, as the car approaches me, - Secrets of Size: Atoms to Supergalaxies 00:11
The effect happens because, as the car approaches me,
S01 • E01 But this solution doesn't work with electron microscopes. - Secrets of Size: Atoms to Supergalaxies 00:05
But this solution doesn't work with electron microscope...
S01 • E01 The lenses of electron microscopes are fundamentally different - Secrets of Size: Atoms to Supergalaxies 00:09
The lenses of electron microscopes are fundamentally differe...
S01 • E02 As the car drives away from me, - Secrets of Size: Atoms to Supergalaxies 00:07
As the car drives away from me,
S01 • E01 The physics of electrons and electromagnetic fields forbids it. - Secrets of Size: Atoms to Supergalaxies 00:06
The physics of electrons and electromagnetic fields forbids ...
S01 • E02 When a source of light is moving towards us, its waves shorten, - Secrets of Size: Atoms to Supergalaxies 00:09
When a source of light is moving towards us, its waves short...
S01 • E01 So it seemed that electron microscopes - Secrets of Size: Atoms to Supergalaxies 00:08
So it seemed that electron microscopes
S01 • E02 When it's moving away, - Secrets of Size: Atoms to Supergalaxies 00:06
When it's moving away,
S01 • E02 So, by measuring the spectrum of light given off by a cosmic object, - Secrets of Size: Atoms to Supergalaxies 00:11
So, by measuring the spectrum of light given off by a cosmic...
S01 • E01 The question was whether we could delve deeper to see even smaller. - Secrets of Size: Atoms to Supergalaxies 00:07
The question was whether we could delve deeper to see even s...
S01 • E01 Well, the next breakthrough that changed everything - Secrets of Size: Atoms to Supergalaxies 00:07
Well, the next breakthrough that changed everything
S01 • E02 It's one of the uses of a technique called spectroscopy. - Secrets of Size: Atoms to Supergalaxies 00:05
It's one of the uses of a technique called spectroscopy...
S01 • E02 I'd like to give you an example of how spectroscopy works in practice. - Secrets of Size: Atoms to Supergalaxies 00:05
I'd like to give you an example of how spectroscopy wor...
S01 • E01 Two teams of headstrong scientists started to question the orthodoxy. - Secrets of Size: Atoms to Supergalaxies 00:07
Two teams of headstrong scientists started to question the o...
S01 • E02 A few days ago, I asked my local astronomy club - - Secrets of Size: Atoms to Supergalaxies 00:10
A few days ago, I asked my local astronomy club -