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Narrator: THE INCANDESCENT LIGHT
BULB IS A RATHER SIMPLE DEVICE. ITS BASE HAS TWO METAL CONTACTS WHICH CONNECT
TO A METAL FILAMENT. THE ELECTRIC CURRENT'S ELECTRONS COLLIDE WITH THE ATOMS IN THE
FILAMENT, MAKING THEM VIBRATE. THIS ENERGY HEATS THE ATOMS
TO 4,000 DEGREES FAHRENHEIT, AT WHICH TEMPERATURE
THEY EMIT VISIBLE LIGHT
BULB IS A RATHER SIMPLE DEVICE. ITS BASE HAS TWO METAL CONTACTS WHICH CONNECT
TO A METAL FILAMENT. THE ELECTRIC CURRENT'S ELECTRONS COLLIDE WITH THE ATOMS IN THE
FILAMENT, MAKING THEM VIBRATE. THIS ENERGY HEATS THE ATOMS
TO 4,000 DEGREES FAHRENHEIT, AT WHICH TEMPERATURE
THEY EMIT VISIBLE LIGHT
Full Transcript
00:00:01.000 --> 00:00:04.263
Narrator: THE INCANDESCENT LIGHT
BULB IS A RATHER SIMPLE DEVICE.
00:00:04.265 --> 00:00:05.931
ITS BASE HAS TWO METAL CONTACTS
00:00:05.933 --> 00:00:07.797
WHICH CONNECT
TO A METAL FILAMENT.
00:00:07.799 --> 00:00:09.531
THE ELECTRIC CURRENT'S ELECTRONS
00:00:09.533 --> 00:00:12.797
COLLIDE WITH THE ATOMS IN THE
FILAMENT, MAKING THEM VIBRATE.
00:00:12.799 --> 00:00:16.197
THIS ENERGY HEATS THE ATOMS
TO 4,000 DEGREES FAHRENHEIT,
00:00:16.199 --> 00:00:19.999
AT WHICH TEMPERATURE
THEY EMIT VISIBLE LIGHT.
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Movie Summary
Television series that documents how various everyday products are made.