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kottke.org posts about Martin John Callanan

Huge photos of small currencies

For a project called The Fundamental Units, Martin John Callanan used a very powerful 3D microscope to take 400-megapixel images of the lowest denomination coin from each of the world’s 166 active currencies. This is the 1 stotinki coin from Bulgaria:

Fundamental Units

And this is a small part of that same coin at tremendous zoom:

Fundamental Units Close

More information is available here.