American Chemical Society
Man and Materials Through History
From the start of the Industrial Revolution, it only took 147 years for someone to invent plastic. This may seem like a long time, but in the history of inventing or discovering new materials, this is incredibly fast. An informative and...
TryEngineering
Computing in the Cloud
What and where is "the cloud"? The lesson teaches scholars about the history of cloud computing and about its current uses. It also teaches how to install a multiple guest OS in a host OS and how to use cloud computing services.
Teach Engineering
Bridging the Gaps
The London Bridge should not have fallen down. And here's why. After a brief history of bridges and the three main types, class members are introduce to the concepts of tension and compression, the two main forces acting upon bridges.
TryEngineering
Networks
Ever wonder how the Internet works? The lesson teaches scholars the basics of graph theory and how it applies to the Internet. They perform simulations to see how information is sent on the Internet.
National WWII Museum
A New War Weapon to Save Lives
Young historians view and analyze photos and documents from WWII that are related to blood transfusions and blood plasma. A demonstration of correct and incorrect blood donors visually shows the importance of knowing blood...
International Technology Education Association
Telescope as Time Machine
This resource provides an explanation of NASA's GALEX mission and how the space-based telescope can view distant galaxies as they were billions of years ago. The resource also discusses the other aspects of galaxies that GALEX...
Civil War Home
Home of the American Civil War: Military Telegraph Service
Ciphers, codes, and wiretaps were all part of the telegraph service in both the Union and Confederacy. Read about the importance of the telegraph in relaying information and obtaining plans surreptitiously. From "Photographic History of...