American Institute of Physics
Dr. Gates and the Nature of the Universe
What do Russian nesting dolls have to do with physics? They make a great demonstration tool for explaining Dr. Sylvester James Gates, Jr.'s string theory to young scientists. A two-part lesson first introduces learners to Dr. Gates' life...
Curated OER
A Command Economic System
Students discover the Command Economic System, which is found in countries like the Former Soviet Union, North Korea, and China. Students identify five characteristics unique to the Command Economy.