| 2. | ZARM | | | Center of Applied Space technology and microgravity, at Bremen University. With specification of the research facilities including a drop tower. www.zarm.uni-bremen.de |
| 3. | Plastics and Space | | | Provides information about the use and history of plastics in applications in space. americanplasticscouncil.org |
| 5. | Space Mechanics Group | | | Space mechanics Group at the University of Pisa. Includes research, and projects. copernico.dm.unipi.it |
| 7. | Space Biology Group | | | Features overview of two Swiss institutes and their research. www.spacebiol.ethz.ch |
| 9. | New Age Spacers | | | Provides material on a project for baloon launched space vehicles and the organization behind it. www.newagespacers.org |
| | |