Mandelbrot

Mandelbrot is an app for Android for drawing a Mandelbrot set. Zoom in or out and change the colors accordingly to your imagination. Save the calculation parameters or the complete picture to see it later again.

Picture Puzzle

Picture Puzzle is a puzzle app for Android. One picture is broken down into small rectangles and displayed in random order. You have to put the rectangles in the right order.

What's this?

What's this? is a rebus app for Android. One picture at a time is slowly fading in and you have to guess what's on it.

Electricity

Learn about measure of direct current and direct voltage and differences between series connection and parallel connection.

South Tyrol

Time laps movie from Eppan and Peitlerkofel in South Tyrol.

Moselle

Time laps movie from Bernkastel-Kues located at Central Moselle.