Talk:Frequency/to do

Restructure according to guidelines in Wikipedia:WikiProject Science, ie. with the following sections:

• Introduction : add daily life examples (music, vibration, radio, light)
• Frequency in practice
  • Types of frequencies: in statistics, frequency modulation, of waves
  • Units of frequency: Hz, per day,...
  • Frequency in everyday life : give examples with typical values: heartbeat, light, radio, sound, computer clock ...
  • Frequency in industry: how to generate various frequencies
  • Frequency in science: how to measure it, interferometry
• Frequency in theory: period, wavelength, relation to energy in quantum theory, Fourier Transform, frequency of interferences, ...
• History of frequency : cps → Hertz, relation to quanta, ...