Learners examine a quote from George W. Bush's recent speech on space exploration. They evaluate one writer's stance on Bush's space exploration goals by reading and discussing "Plea to Policy Makers: Let's Take Another Giant Step." In...

At this site from The Nobel Foundation you can read about the scientist who won the Nobel Prize in Physics in 1907, Albert A. Michelson (1852-1931 CE). Here, you can read a detailed biography which provides information on Michelson's...