What is this?

Guess…

a) False color picture of a small piece of moon rock

b) Schematic illustration of bone tissue

c) Electron microscopy-based image of an coated tin oxide particle

Send us the correct answer

Deadline: September 30, 2020

and win!

Pure Green Energy

A Solar charger with 2 USB ports for powerbanks, mobiles, tablets,… Compact, light and high charging speed.

The winner will be drawn from all participants providing the correct answer. There is no entitlement to a prize. Your e-mail address will only be used to run this competition and will be deleted after the winner has been determined.