Texas Instruments
Texas Instruments: Numb3 Rs: Dial the Phone
Based off of the hit television show NUMB3RS, this lesson gives students some insight into the connection between graph theory and triangular numbers, using telephone networks. Similar to the famous Handshake Problem, students will find...
University of Houston
University of Houston: Engines of Our Ingenuity: No. 587: Alexander Graham Bell
A discussion of the life and achievements of Canadian inventor, Alexander Graham Bell. Focuses on the two fascinations that marked Bell's whole life: his concern for the deaf and for flight, and the inventions that resulted. This is a...