2023-11-20 09:44:52
The HAT tessellation
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 with these? Could a tile setter pull this off? Use “Hat Puzzle Pieces” to cut out the tile pieces and play with.
Comments (0)
Display 1 - 10 Of total 0
Betsy Ross's 5-pointed star
Flag of the United States from 1777 to 1795....
Immigration numbers
Here's an opportunity to work with calculating p...
Shamrock Shake
For Saint Patrick's Day add a little nutrition m...
Mardi Gras, 2023
Updated for 2023!
Tuesday, February 21, 202...
Operation Gratitude – Halloween candy buy back
This is a great idea! Moti...
Leslie's socially-distanced party
I risked infecting my friends or becoming infect...
Happy 14th B'ak'tun!
Luckily, we’ve passed 12/21/2012 and the...
Fireworks on your calculator
Let your students experiment wit...
Whole lot of cookies
This activity has been u...
Souvenirs and concessions
Brian has introduced systems of equations with e...