PBS
Pbs: Who Made America? Willis Carrier
Find information about the life and work of Willis Carrier, the inventor of the air conditioner, at this PBS site devoted to the role of technology in society. Site visitors can locate Carrier on a timeline, along with other...
TeachEngineering
Teach Engineering: Copycat Engineers
This lesson introduces middle schoolers to the idea of biomimicry, or looking to nature for engineering ideas. Biomimicry involves solving human problems by mimicking natural solutions, and it works well because the solutions exist...