We get a Moebius strip by taking a long rectangle and pasting the two shortest sides after...
We get a Moebius strip by taking a long rectangle and pasting the two shortest sides after...
We get a Moebius strip by taking a long rectangle and pasting the two shortest sides after...
We can get a Moebius strip by taking a rectangle and pasting together two opposite sides a...
We can get a Moebius strip by taking a rectangle and pasting together two opposite sides a...
We can cut a torus along a simple, closed curve and it won't divide in two parts. See als...
We can cut a torus along a simple, closed curve and it won't divide in two parts. See als...
By identifying two opposite sides of a rectangle, we get a cylinder. See also the interact...
By identifying two opposite sides of a rectangle, we get a cylinder. See also the interact...
A solution of the problem of the three houses on the torus. You can also try to solve this...
