The Internet is powered by light. Light has an immense capacity to carry information and can be guided along thin strands of glass called optical fibres.
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It’s thought that blue light has the ability to calm people down. In fact, studies suggest that blue light can help to tone down aggression and feelings of helplessness. In some territories such as Scotland, blue light is used in street lighting to help quell crime rates.
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Humans can’t actually see all colours that exist. We actually have very limited vision when it comes to light! Many animals – such as chickens, believe it or not – can see many more colours than we can.
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