Dictionary
infrared
Electromagnetic radiation in the frequency region between a hundred billion and a trillion oscillations per second, corresponding to wave-lengths between 0.8 micrometres and 1 millimetre. The thermal radiation associated with everyday temperatures is infrared radiation.
Further Articles
Relativity and the Quantum / Elementary Tour part 4: Loop quantum gravity
Relativity and the Quantum / Elementary Tour part 3: The need for quantum gravity
Black Holes & Co. / Elementary tour: Conclusion
Black holes & Co. / Elementary tour part 2: Black holes
Gravitational waves / Elementary tour part 3: Gravitational wave astronomy
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