5 Green NASA Inventions

NASA has a long tradition of generating spin-off technologies. See more rocket pictures.

Over the course of the United States' decades-long dash in the Space Race, and during the many years since, lots of NASA-related innovations have proven useful down here on Earth. From medicine to public safety and sports equipment to transportation, there are all sorts of examples of products invented or improved upon by the work of NASA researchers and the various companies they contract with on projects.

In this article, we'll learn more about five technologies driven forward by the work of NASA, ones that have also helped green the planet in the process.