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Because opposite charges attract
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Secrets of Size: Atoms to Supergalaxies

Because opposite charges attract, the negative end of one molecule is pulled towardsthe...

Because opposite charges attract, the negative end of one molecule is pulled towards
the positive end of another

Full Transcript

00:00:01.000 --> 00:00:03.719
Because opposite charges attract,
00:00:03.072 --> 00:00:05.919
the negative end of one molecule
00:00:05.092 --> 00:00:08.999
is pulled towards the positive end of another.
Duration
9 seconds
Views
24
Timestamp in Movie
00:25:41
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 The force that an individual atom feels is, of course, minuscule. - Secrets of Size: Atoms to Supergalaxies 00:05
The force that an individual atom feels is, of course, minus...
S01 • E02 But by studying the operation of gravity at a galactic scale, - Secrets of Size: Atoms to Supergalaxies 00:07
But by studying the operation of gravity at a galactic scale...
S01 • E01 But these effects can add up. - Secrets of Size: Atoms to Supergalaxies 00:04
But these effects can add up.
S01 • E01 And this, in turn, means that the molecules on the surface - Secrets of Size: Atoms to Supergalaxies 00:11
And this, in turn, means that the molecules on the surface
S01 • E02 As our galaxy revolves around the centre, - Secrets of Size: Atoms to Supergalaxies 00:14
As our galaxy revolves around the centre,
S01 • E01 And that's what the gecko is taking advantage of. - Secrets of Size: Atoms to Supergalaxies 00:05
And that's what the gecko is taking advantage of.
S01 • E02 During the second half of the 20th century, - Secrets of Size: Atoms to Supergalaxies 00:09
During the second half of the 20th century,
S01 • E01 A gecko's feet are covered with billions of tiny structures - Secrets of Size: Atoms to Supergalaxies 00:08
A gecko's feet are covered with billions of tiny struct...
S01 • E02 She worked with instruments that could measure it - Secrets of Size: Atoms to Supergalaxies 00:06
She worked with instruments that could measure it
S01 • E01 When these press against the glass, - Secrets of Size: Atoms to Supergalaxies 00:07
When these press against the glass,
S01 • E02 As she did the maths, she realised something extraordinary. - Secrets of Size: Atoms to Supergalaxies 00:05
As she did the maths, she realised something extraordinary.
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,