Welding in Space

After the first American space walk, the hatch would not close on the spacecraft. Engineers later identified the problem as cold welding. An out-of-this-world video shows scholars how this discovery led to many changes in space crafts as well as new methods for nanotechnologies.

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CCSS: Adaptable
Instructional Ideas

  • Review the difference between welding and cold welding before watching the video
  • Go into more depth with the applications of cold welding for nanotechnology
Classroom Considerations

  • Relies on prior knowledge of NASA missions, specifically Gemini IV

  • Provides closed captioning in 10 languages for the hearing impaired
  • Includes references and audio from the Gemini IV mission
  • Requires very little class time

  • None