Light is electromagnetic radiation with a wavelength that is visible to the eye, or in a more general sense, any electromagnetic radiation in the range from infrared to ultraviolet. The three basic dimensions of light (and of all electromagnetic radiation) are:
• intensity (or brilliance or amplitude, perceived by humans as the brightness of the light),
• frequency (or wavelength, perceived by humans as the colour of the light), and
• polarization (or angle of vibration and not perceivable by humans under ordinary circumstances)
Due to wave-particle duality, light simultaneously exhibits properties of both waves and particles.
What have I noticed?
The most exciting bit of light for me is how we can control it for any mood any emotion and any space. I feel light is space in itself. A space that can be altered, adjusted according to our need. A simple way of doing so is the way its been done on the south bank where a translucent piece of glass is placed on the front as a protector for the light bulb. Since the light is located on the side wall a normal piece of glass would do the job but the light would be too sharp for the people walking past. Having said that the translucent glass piece diminishes the amount of light that passes through it. Hence despite peaceful to the eye the light is not enough.
see the very basic difference in the diagrams below:
The above example shows you the difference between open and controlled light. The difference between the output just by placing a piece of glass changes drastically. It does not travel as far as it can.
Since I wanted to explain what I mentioned earlier in detail I did the following experiment where I observed the movement of light:
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