Vi Hart Connects the Dots
Vi Hart doodles her way to connecting the dots in math class.
mathematics
Math Monday: Try a Torus
Learn how to make a torus model and then how to create a 7-color Ungar-Leech map on it.
Math Monday: Hula Hoop Geometry, Part II
Playing around with mathematics using the ubiquitous hula hoop.
Math Monday: Hula Hoop Geometry
Playing around with mathematics using the ubiquitous hula hoop.
Math for Makers
I’m excited to see that Greg Borenstein has launched Makematics, a blog that covers his own exploration of advanced math topics that are found in new creative applications by and for makers.
Happy Tau Day
Vi Hart pushes back on Pi and whole Pi Day thingy.
Math Monday: Passing a Cube Through Another Cube
It is an amazing fact that it’s mathematically possible to pass a cube through a hole in another cube of the same size. If you stand a cube up on a corner (with a diagonal vertical) and shine a light down on it, its shadow is a regular hexagon. If you calculate carefully, you’ll find that a square face of the cube can fit inside this hexagon with a bit of room to spare on all sides.
