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Understanding science: what we cannot know
Understanding science: what we cannot know

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This is a diagram of the electromagnetic spectrum. It isn’t comprehensive but charts electromagnetic waves with a wide range of frequencies, corresponding to wavelengths from 1000 m down to 0.1 nm. Labelled electromagnetic waves includes: long-waves, radio and TV, microwaves, thermal IR, infra-red, visible light, ultraviolet, x-rays and gamma-rays.
Figure 5 The electromagnetic spectrum

 2.3 Electromagnetic waves