Search Results


Showing results 1 to 2 of 2

Source Institutions
Add to list Details
This activity about cryptographic techniques illustrates how to accomplish a simple, but nevertheless seemingly impossible task—making a fair, random choice by flipping a coin between two people who d

$1 - $5 per group Ages 8 - 18 30 to 45 minutes
Source Institutions
Add to list Details
This activity about cryptographic techniques illustrates a situation where information is shared, and yet none of it is revealed.

1 cent - $1 per group Ages 11 - adult 5 to 10 minutes