Veritasium

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

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:
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

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