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Their electromagnetic lenses
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Secrets of Size: Atoms to Supergalaxies

Their electromagnetic lenses were fundamentally differentfrom glass ones

Their electromagnetic lenses were fundamentally different
from glass ones

Full Transcript

00:00:01.000 --> 00:00:03.159
Their electromagnetic lenses
00:00:03.016 --> 00:00:07.159
were fundamentally different from glass ones.
Duration
7 seconds
Views
17
Timestamp in Movie
00:39:24
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 One of the most common problems that affects lenses - Secrets of Size: Atoms to Supergalaxies 00:07
One of the most common problems that affects lenses
S01 • E02 Do all these galaxies just float around by themselves, - Secrets of Size: Atoms to Supergalaxies 00:11
Do all these galaxies just float around by themselves,
S01 • E01 You see, the way lenses work is that they bend the light - Secrets of Size: Atoms to Supergalaxies 00:11
You see, the way lenses work is that they bend the light
S01 • E02 Or do they come together as part of even larger structures? - Secrets of Size: Atoms to Supergalaxies 00:06
Or do they come together as part of even larger structures?
S01 • E02 And how can we even answer that question? - Secrets of Size: Atoms to Supergalaxies 00:05
And how can we even answer that question?
S01 • E01 So, when I try to focus the sun, for instance, - Secrets of Size: Atoms to Supergalaxies 00:08
So, when I try to focus the sun, for instance,
S01 • E01 Which means, at high magnifications especially, - Secrets of Size: Atoms to Supergalaxies 00:09
Which means, at high magnifications especially,
S01 • E02 Fortunately, to help tackle this puzzle, - Secrets of Size: Atoms to Supergalaxies 00:10
Fortunately, to help tackle this puzzle,
S01 • E01 Electron microscope lenses are exactly the same, - Secrets of Size: Atoms to Supergalaxies 00:08
Electron microscope lenses are exactly the same,
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...