Thursday, December 15, 2016

Red stuff in my eye (right)?

While trying to take my contact lens off tonight, I noticed that there's this red string/cotton looking thing floating in the corner of my right eye. I tried to roll my eyes and take the thing out by hand but couldn't… And there's no pain at all? Is this some kind of infection?

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Wednesday, December 14, 2016

Can we focus infinitely on distant objects?


I was just wondering, is it, theoretically of course, possible to zoom in and see let s say an atom that s 13.8 billion km away?

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