1990 Photomicrography Competition

Stair-step twinning on superconductor substrate wafer cut from single LaA103 crystal

Michael W. Davidson

Affiliation
Florida State University
Center for Materials Research and Technology
Tallahassee, Florida, USA
Technique
Polarized Light
Magnification
10x

Transversal section of horse’s hoof

Christian Gautier

Affiliation
JACANA Press Agency
Vanves, France
Technique
Polarized Light
Magnification
30x

Flourescien crystals

Norm Barker

Affiliation
Johns Hopkins School of Medicine
Department of Pathology
Baltimore, Maryland, USA
Technique
Polarized Light
Magnification
40x