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Introduction
Light fantastic
Now you see it, now you don't
The green planet and the red heat
Hot rays
Ultraviolet brings the blues
Danger beyond the violet
Energy rhythms
The exploding sun
No soap
Turning on and tuning in
The speed that destroyed space and time
Microwaves everywhere
The man with the X-ray vision
Röntgen rays for everyone
What's in your basement?
The atomic quartet
Gamma rays : the impossible light
Cell-phone radiation
Cosmic rays
Beams from the universe's birth
Energy from our minds
Ray guns
The next frontier : zero-point and dark energies
Total solar eclipse : when the rays stop
ETs may be broadcasting, but what's their number?
Does light have a bright future?

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