In Space, No One Can Stop You From Welding
The welding process usually involves pretty extreme levels of heat. But it turns out that in the cold vacuum of space, metals can weld together... automatically. Hosted By: Hank Green SciShow has a spinoff podcast! It s called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Support SciShow Space by becoming a patron on Patreon: https://www.patreon.com/SciShowSpace ---------- Huge thanks go to the following Patreon supporter for helping us keep SciShow Space free for everyone forever: GrowingViolet & Jason A Saslow! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://esmat.esa.int/Publications/Published_papers/STM-279.pdf https://sites.psu.edu/siowfa15/2015/10/23/cold-welding%EF%BC%8D%EF%BC%8Dspace-operations-nightmare/ https://core.ac.uk/download/pdf/42768209.pdf https://trs.jpl.nasa.gov/handle/2014/32404 https://www.nasa.gov/audience/formedia/factsheet/Galileo_communication_factsheet.html https://chem.libretexts.org/Courses/Bellarmine_University/BU%3A_Chem_103_(Christianson)/Phase_3%3A_Atoms_and_Molecules_-_the_Underlying_Reality/9%3A_Chemical_Bonding/9.5%3A_Metallic_Bonding https://www.feynmanlectures.caltech.edu/I_12.html http://everyspec.com/ESA/download.php?spec=ECSS-E-ST-33-01C.048198.pdf https://www.laserfocusworld.com/optics/article/16546805/optical-fabrication-optical-contacting-grows-more-robust https://web.archive.org/web/20090331235008/http://www.precisionphotonics.com/vitem_axpd.asp?id=16&itemtype=Technicalpapers https://www.nature.com/articles/nnano.2010.4 https://www.twi-global.com/technical-knowledge/faqs/what-is-cold-welding https://link.springer.com/chapter/10.1007/978-94-007-0874-7_1 https://royalsocietypublishing.org/doi/10.1098/rspa.1936.0151 https://iopscience.iop.org/article/10.1088/1464-4258/3/1/314 https://asmedigitalcollection.asme.org/tribology/article-abstract/103/2/169/423515/Friction-The-Present-State-of-Our-Understanding https://www.sciencedirect.com/science/article/pii/B9780121038021500113 https://royalsocietypublishing.org/doi/abs/10.1098/rspa.1974.0167 https://www.britannica.com/technology/welding Images: https://commons.wikimedia.org/wiki/File:Galileo_spacecraft_leaves_the_Orbiter.jpg https://commons.wikimedia.org/wiki/File:Galileo_in_1983.jpg https://www.storyblocks.com/video/stock/close-up-slow-motion-welding-of-a-metal-part-in-an-auto-repair-shop-bpdt8rtrokn60ew0l https://www.istockphoto.com/photo/worker-welding-parts-of-stell-construction-gm678821660-124372509 https://www.istockphoto.com/photo/old-stainless-steel-spoons-background-gm1168849327-322882976 https://www.storyblocks.com/video/stock/machine-workpieces-metallurgical-plant-hiwbmehbinq614w8 https://commons.wikimedia.org/wiki/File:Galileo_spacecraft_%26_IUS_deployment_sequence_in_OV-104%27s_payload_bay_on_STS-34_(S34-71-000AK).jpg https://www.istockphoto.com/photo/abstract-background-gm495067894-77795073 https://www.istockphoto.com/photo/abstract-sparks-background-gm1251201142-365075401
