The HAT tessellation
An Einstein aperiodic tile has just been discovered. Find out what that means and why it is significant. Plus - play with the tiles. Do you want to tile your shower floor wi...
Geometry
Genres
Grade
Lighting the 2022 Olympic Torch
On October 18th, 2021 the Olympic Torch was lit in Greece. It was lit without the help of a flame or a match. It was lit by concentrating the rays of our Sun. From Olympi...
Inauguration Date
The date of the Presidential Inauguration this year can be written in an interesting way.
What do you notice? What do you wonder? Do you think that this happens often in a yea...
Point of view
If you have a set of cubes for your classroom, this would make a great group hands-on project. Its an old puzzle but the activity deserves a revisit.
Below are two straight-on images of my ...
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