This is the 3d-data for the 3d-printing of four small math sculptures, whose shape is described by precise mathematical formulas. All four represent classical mathematical curves or surfaces,...
C. F. Gauss (1777-1855) showed that it is impossible to preserve all ratios of distances when drawing a planar map of a region of the...
Have you already remarked that the middle of the day (or solar noon) is not always at the same time on your watch? The sunset is sooner on December 10 than at the winter solstice. If you observe...
From the inner core to the surface the Earth temperature decreases. This induces convection movements in the Earth’s mantle. The warmer magma moves closer to the surface where it cools down. It...
Telecommunications, navigation, meterorology, etc., but also cell phones, GPS, Internet, provide numerous reasons to install satellites orbiting around the Earth. For...
The study of the diffusion of liquids in the soil, also called percolation, allows scientists measuring how water is diffused in the soil, how fast aquifers refill, and to understanding the...