Light micrograph of Zygnema pseudogedeanum, a freshwater filamentous green alga. Culture material of the Culture Collection of Algae at the University

---

Light micrograph of Zygnema pseudogedeanum, a freshwater filamentous green alga. Culture material of the Culture Collection of Algae at the University of Cologne. Microscopic contrast method: Differential interference contrast. Magnification 580x when printed at 10 centimetres width.

---

Size: 5120px × 3414px
Photo credit: © GERD GUENTHER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1956, america, american, black--white, books, british, desk, dyson, electrodynamics, freeman, future, futurology, historical, history, john, male, man, monochrome, office, papers, physicist, physics, portraits, prediction, prophesy, prophet, qed, quantum, scientist, seated, sitting, speculation, speculative, surname, theoretical, theorist, theory, unification, unified, working