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In this video I grow opals in my parent's garage by experiencing hell with silicon tetrachloride, making TEOS, and playing Sherlock Holmes to find a good procedure for opal production while synthesizing rare tar and having my Dad build me a cute little centrifuge.
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Here's the main paper I reference throughout the video - https://link.springer.com/content/pdf/10.1007/s11051-016-3691-8.pdf
Also, excuse me for my poor speaking, English is not my native language so I have some trouble with pronunciation, in case you don't understand something there are always subtitles made by me.
0:00 Intro
5:39 Making TEOS (Tetraethyl orthosilicate)
21:23 Figuring out how to make silica nanospheres and opal
34:21 Making dirt opals for real this time
40:50 Upgrading the opals using alcohol
48:10 Outro
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#chemistry
#experiment
#beautiful
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#science
#interesting
#cool
#reaction
#opal
#gemstone
#silicon
#sand
#dirt