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713 days ago
New to me: use photoshop to invert colours on water going down a plughole. Hey presto: the spiral galaxy.
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Science writer and broadcaster, author of 13 Things That Don't Make Sense
Rotate photo
View full size
50
713 days ago
New to me: use photoshop to invert colours on water going down a plughole. Hey presto: the spiral galaxy.
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