Nautilus_Cutaway_Logarithmic_Spiral-inspire

Nautilus shell cut in half. The chambers are clearly visible and arranged in a logarithmic spiral. Image Chris 7, licenced under a Creative Commons licence [CC BY-SA 3.0] https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons. https://commons.wikimedia.org/wiki/File:NautilusCutawayLogarithmicSpiral.jpg#file

Nautilus shell cut in half. The chambers are clearly visible and arranged in a logarithmic spiral. Image Chris 7, licenced under a Creative Commons licence [CC BY-SA 3.0] http://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons. https://commons.wikimedia.org/wiki/File:NautilusCutawayLogarithmicSpiral.jpg#file