The problem of getting light from Point A to Point B as been solved by the fascinating invention of Optical Fibres. We look as using mirrors, then look a lenses but how do we get glass so clear light can travel through it for 600 km? Podcast
The problem of getting light from Point A to Point B as been solved by the fascinating invention of Optical Fibres. We look as using mirrors, then look a lenses but how do we get glass so clear light can travel through it for 600 km? Podcast