How active are you?

Can you hear me xenon? despite that i'm not talking and that you live thousands of kilometres a way?
 
Not literally. But I can hear you metaphorically, which is what I thought you meant.
 
Did you guys know it's possible to see a lighted match a mile away, if everything else was in darkness?
 
But did you know that, if everything was bright white, you could see someone with a black shirt miles away.
 
Mr. Dark said:
But did you know that, if everything was bright white, you could see someone with a black shirt miles away.
You don't understand how colour and light works do you?
 
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