The Electromagnetic Spectrum
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0:18 Reflection
1:02 X-rays
3:07 X-ray Scans
0:06 Waves
0:27 Wavelength
0:55 Visible Light
1:01 Ultraviolet
3:16 Sterilization
1:47 Satellites
0:19 Refraction
1:22 Communication
3:20 Radiotherapy
0:32 Radio Waves
2:21 Optical Fibres
0:51 Microwaves
3:40 Ionizing Radiation
0:53 Infrared
1:03 Gamma Rays
0:26 Frequency
0:20 Diffraction
