Comment by dtgriscom 5 hours ago Isn't infrared, by definition, wavelengths beyond what people can see? 1 comment dtgriscom Reply jibal 2 minutes ago Which people? And no, it's not defined that way: "radiation having a wavelength between about 700 nanometers and 1 millimeter"
jibal 2 minutes ago Which people? And no, it's not defined that way: "radiation having a wavelength between about 700 nanometers and 1 millimeter"
Which people? And no, it's not defined that way: "radiation having a wavelength between about 700 nanometers and 1 millimeter"