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Not Another NAND!

Prove that you can make any type of logic gate using just NAND gates.

Advanced STEM

This collection of resources is designed for developing STEM at Post-16.

Core Scientific Mathematics

This is the area of the advanced stemNRICH site devoted to the core applied mathematics underlying the sciences.

Stonehenge Is Going Nowhere

Age 14 to 16 Challenge Level:
Think about the directions the logs are trying to go