Khan Academy
Khan Academy: The Industial Revolution
At one time, humans, fueled by the animals and plants they ate and the wood they burned, or aided by their domesticated animals, provided most of the energy in use. All life operated within the fairly immediate flow of energy from the...
Space.com
Space.com: "Nasa Spin Offs: Bringing Space Down to Earth"
This article from January 26, 2005, offers a video and a list of many common items used daily that exist because of NASA innovations. These include Cat Scans and MRIs, more precise and safer breast imaging, artificial limbs using...