Examlex
In many cases, a magstripe reader is part of a POS terminal.
Photon Energy
The energy carried by a single photon, proportional to its frequency and inversely proportional to its wavelength.
Vacuum
A space devoid of matter, where the pressure is much less than atmospheric pressure.
Increasing Energy
Refers to a process or trend where the amount of energy in a system or particle becomes higher over time.
Electromagnetic Spectrum
The range of all types of electromagnetic radiation, from radio waves to gamma rays, including visible light.
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