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Old 02-09-2019, 02:18 PM
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More images from Yuri at TEC...

Maybe not as grand as my last showing

Yuri's comment: "See what happens with glass if you hold your hand on it for a minute...the hand silhouette is ~ 50-60nm high. It disappear in >5min+"
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Old 02-09-2019, 02:34 PM
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That's very cool (or is that warm )
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Old 02-09-2019, 06:58 PM
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Extremely slight, but measurable, thermal expansion of the glass.
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