If you look trough a gap between your fingers or near the edge of any object and put it close to your eye then look past it to a plain white surface, use tiny movements like your shaking and you should see what appears to be tiny dark lines that fork out like lightning.
Now at first i thought it must be blood vessels but after trying different things like doing it up to 20cm away they still show plus they follow the edge's direction, i've always wondered what the cause was for years now, maybe some sort of interference pattern?
Now at first i thought it must be blood vessels but after trying different things like doing it up to 20cm away they still show plus they follow the edge's direction, i've always wondered what the cause was for years now, maybe some sort of interference pattern?