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How to Repair the International Space Station With a Toothbrush

Expedition 32 flight engineer Suni Williams
Expedition 32 flight engineer Suni Williams appears to touch the bright Sun during the mission's third spacewalk.

Expedition 32 flight engineer Suni Williams appears to touch the bright Sun during the mission’s third spacewalk. During the six-hour, 28-minute spacewalk, Williams and Japan Aerospace Exploration Agency astronaut Aki Hoshide (visible in the reflections of Williams’ helmet visor), flight engineer, completed the installation of a Main Bus Switching Unit (MBSU) that was hampered last week by a possible misalignment and damaged threads where a bolt must be placed. What did they use? A modified toothbrush. Find out more: https://www.nasa.gov/feature/nasa-hacks-the-real-stories.