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.

Concepts

welding, nasa, nanotechnology

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Additional Tags

science

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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

• This video is hosted on YouTube

Pros

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

Cons

• None

Common Core

SL.9-10.2 SL.11-12.2 RST.9-10.4 RST.11-12.4