While we think of metals as smooth and cold metarials with shiney polished surfaces, that's not accurate most of the time.
Just as humans grow hair in all sorts of weird places, metals almost feel alive when viewed through a time lapse camera. Metals can grow little strands that look a... read more lot like hair over months or years.
Learn more- https://www.cirris.com/learning-center/general-testing/special-topics/238-the-mystery-of-metal-whiskers
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