Cat’s Cradle https://www.mathematische-basteleien.de/catscradle.htm
Matratze, 5 Katzenauge, 6 Schweinchen auf der Leiter, 7 Standuhr The names, which I have
Matratze, 5 Katzenauge, 6 Schweinchen auf der Leiter, 7 Standuhr The names, which I have
I suppose that you have to explain this effect in the same way as a bimetallic bar
The violet triangles are congruent and have the sides sqrt(2)/2*a, sqrt(2)/4*a, and
If you have the choice of the following four drawings most people would choose picture
Some nostalgia: I still have a calculator from 1971 (Quelle "Privileg"), which has
Cube and mirror cube have mirror images, for instance Ab and Ba.
Parallelogram Seven tetrahexes have 28 hexagons altogether.
The radii have the ratios 1 : 1.5 : 2 : 2.5 : 3…..
You have to remove the pegs one after the other by jumping horizontally or vertically
You have to go through it. Fold the module 29 more times. ……