ucsd - AI Weirdness (Page 10)

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By Janelle Shane On July 22, 2013 - 1 min read

The “light” at the bottom of this glowing crater is all electrons. What you’re seeing here is a thin layer of glass with a hole chipped in it. At the bottom of the hole, just out of the field of view, is a layer of silicon. In the electron

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By Janelle Shane On July 19, 2013 - 1 min read

A particle of dust, viewed at around 19,000x in an electron microscope. It’s sitting on a little pedestal that it made itself out of my semiconductor laser material - no, I didn’t give it permission. The dust particle selflessly protected that patch of semiconductor from the harsh

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By Janelle Shane On July 16, 2013 - 1 min read

Microscopic hills along a glass fracture Here, the edge of one of my samples was chipped, and the glass had flaked off in a ridged pattern. The ridges continued right down to the border of the chipped area, where they became microscopic. These hills are so small that you could

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By Janelle Shane On July 15, 2013 - 1 min read

An upside-down mountain, formed from dust. The whole thing is about the size of a single bacterium. The mountain is, as usual, not supposed to be there - it’s a piece of dust that landed on my sample. Despite doing all my processing work in the cleanroom, it’s

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By Janelle Shane On July 09, 2013 - 1 min read

Reactive ion etcher: capable of using high-energy plasma to blast away metal, glass, and a lot more. Also capable of running Solitaire. To be fair, the guy using this machine is probably killing time while the machine runs an etching process, or pumps the system down to vacuum. Otherwise it’

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By Janelle Shane On July 07, 2013 - 1 min read

Extreme close-up of tape in a scanning electron microscope. It’s conductive carbon tape, which we use for mounting stuff in the electron microscope, and it’s usually covered in strange craters and textures - I don’t know what purpose those serve. Does make it look like some kind

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By Janelle Shane On July 05, 2013 - 1 min read

Newton’s rings put on a microscopic show. This is a microscope image, about 20x, of some bright bands of color that appeared on the surface of one of my samples. They’re formed from a colorless film of residue left behind after some IPA dried on my sample -

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By Janelle Shane On July 03, 2013 - 1 min read

Someone asked me yesterday how big my samples are, and what it all looks like. This is a zoomed-out view (only 90x!) showing a nearly edge-on view of one of my samples, sitting on a cratered sea of carbon tape. It’s so zoomed-out that I almost feel embarrassed asking

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By Janelle Shane On July 02, 2013 - 1 min read

This entire view would fit easily inside a single cell. The “lake” is a crater with glass at the bottom - being an insulator, glass tends to build up charge that deflects the electron beam my microscope fires at the sample, so very little bounces back… it appears dark. The

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By Janelle Shane On June 29, 2013 - 1 min read

The lace ship. This is some sort of dust that landed on my sample before etching - I do try to clean dust off, but I don’t get everything removed. This particular sample had a few of these airy, lacy dust particles - I’m not sure what they

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