in a nutshell

Smartphone Experiments

Most measurements are performed with smartphones (and external sensors), but can also be performed with classic school materials. We publish all experiments in German as well as in English.

Open Educational Ressources

All resources published on are open educational resources and can be downloaded and used for teaching free of charge.


To make it easier to get started and increase understanding, matching explanatory videos and tutorial videos are linked to each experiment.

About is a free physics educational resource with the main topics astronomy and space travel and is mainly aimed at people interested in astronomy as well as teachers and students.

On, innovative teaching-learning arrangements in the field of astronomy and space travel are offered, such as smartphone experiments, board games, etc., which can be used in class or for homeschooling. Most experiments are available in English as well as in German.

We are always working on new materials to continuously improve our portfolio.

Publications and Presentations

Team are the two physicists and astronomy enthusiasts
Sebastian J. Spicker

Sebastian J. Spicker

Physicist, Developer

Sebastian is a freelance e-learning developer and works in IT at the Cologne University of Music. Previously, he worked for the Future Strategy of Teacher Education at the University of Cologne.

Dr. Alexander Küpper

Dr. Alexander Küpper

Physicist, Teacher

Alexander is working as a teacher at a secondary school near Cologne. Before, Alexander worked as a scientist at the Institute of Physics Education at the University of Cologne.

Contact us

Do you have any questions, suggestions or ideas? We are looking forward to your feedback! Please use the contact form.

How to find us

Cologne, Germany.

Would you like to participate?

We are happy to receive inquiries! Please use the contact form and send us a message.

Contact Form