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Use "wavelengths" in a sentence
"Part of my job as a statistical field and stress analyzer meant that I needed to see in wavelengths that other people could not."
"The visible spectrum operates in wavelengths that have no effects to people (since they are light) whilst the arguments against cellphones, Wi-Fi and cellphone mast radiation is building to a point that medical effects are being looked into and people becoming extremely concerned."
"Fluorescent colours are produced by cells responding to certain wavelengths of light hitting them - causing the cell to emit its own light on a different wavelength, which creates a different colour."