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Author: Subject: Rainbow in a test tube - thin film interference

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[*] posted on 3-3-2013 at 09:22
Rainbow in a test tube - thin film interference
As the oxide layer forming on the surface of the hot molten lead thickens the metals colour changes. (used air gun lead)

I have tried with fishing lead but it did not form a "rainbow" :(
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[*] posted on 9-3-2013 at 17:02

strange.. never seen anything like this before.. ive melted quite abit of lead, tho..
guess this isnt under normal conditions (~20% oxygen)

~25 drops = 1mL @dH2O viscocity - STP
Truth is ever growing - but without context theres barely any such.
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