Why Metals Spontaneously Fuse Together In Space

In space, metals can weld together without heat or melting.
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Written by Joh Howes and Derek Muller

Yes, it’s pronounced Gemini (ee not eye) because that’s the way everyone pronounced this mission.

Thanks to Patreon supporters:
Bryan Baker, Donal Botkin, Tony Fadell, Saeed Alghamdi

Gemini IV transcripts:

Gemini IV recordings: (relevant clip is 1297 at about 2:00)

ESA cold welding recommendations:

Cold welding gold nanowire:

Music by Kevin MacLeod “Intrepid”

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