What is this?

Guess…

     Microscopy image of porous crystalline organic polymers, so-called COFs Transmission electron image of a stony coral from the pacific sea Complex structure of the inner material of a light bulb

    Closing date: September 15th, 2021

    and win!

    An extraordinary and energy efficient LED desk lamp

    This LED lamp not only perfectly lights your desk but is also a very fashionable piece of furniture.
    The light element has three brightness levels and can be tilted in various positions – as well as the whole lamp.

    NOTE: Your e-mail address will only be used to run this competition and will be deleted after the winner has been determined. The winner will be drawn from all participants providing the correct answer.