Redesigned NASA door after Apollo 1 fire.
Previously:
NASA technology to fold airplane wings in flight - video
Pivoting wing NASA airplane - GIF and video
NASA Technical Publication: Can you weld on Mars?
NASA fastener design manual
NASA technical standard document: Crimping, Interconnecting Cables, Harnesses, Wiring
NASA Tire Assault Vehicle (TAV), made from a German World War II tank model
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