A Dinosaur Bone
A dinosaur bone in transmitted light under a polychromatic polarization microscope with a 4× objective lens and illuminating white polarized light with a spectral fan of polarization ellipses (nature.com/articles/srep17340). Image size 2.1 mm × 1.6 mm.
[OPN 2022 After Image Photo Contest]
—Michael Shribak, Marine Biological Laboratory, Woods Hole, MA, USA; Specimen provided by Bernardo Cesare, Padua University, Italy