YouTube description: Let's find out how they put 3D images into glass objects. Known as a 'Bubblegram', vitrography or sub-surface laser engraving, this technology has been around for a very long time... continue reading
posted by Aard Vark (oritteropo) 6 years 1 week ago • 308 views • 6:28search results matching tag: CW
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Youtube description: This is a good article for starters: http://physicsworld.com/cws/article/news/2012/sep/13/frog-photoreceptor-counts-photons
posted by Aard Vark (oritteropo) 1 decade 1 year 1 month 2 weeks ago • 215 views • 7:30- 1