Photometers or light meters are radiometers that include a filter and photodiode and responds based on the average human eye: the CIE 1924 luminosity function V λ. However, the light sensitive diode ...
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Dark light experiments!
In this video I test if light can be black. I show you several experiments that show you cases of light that is black and then I talk about what color actually is and why mixing pain and light give ...
White light is made of a spectrum of different colours. Light can be split up into these separate colours using a prism. There are three primary colours of light, which can be combined to make ...
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