Welding in Space

YouTube description:

In space, metals can weld together without heat or melting.

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

References:
Gemini IV transcripts: http://www.jsc.nasa.gov/history/mission_trans/gemini4.htm

Gemini IV recordings:
https://archive.org/details/Gemini4 (relevant clip is 1297 at about 2:00)

ESA cold welding recommendations:
http://esmat.esa.int/Publications/Published_papers/STM-279.pdf

Cold welding gold nanowire:
http://www.nature.com/nnano/journal/v5/n3/full/nnano.2010.4.html

Music by Kevin MacLeod "Intrepid" http://www.incompetech.com

(H/T @eric3579)

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