ucsd - AI Weirdness (Page 4)

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By Janelle Shane On March 27, 2014 - 1 min read

ThorLabs displays a keen understanding of graduate school - as of a few years ago, they’ve included snack boxes with many of their orders of optics components. The boxes include things like trail mix, granola bars, goldfish crackers, and fruit snacks - not, of course, that this influences any

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By Janelle Shane On March 25, 2014 - 1 min read

Low-budget geeky grad school magnetic poetry: cut up the fridge magnet ads that they hand out at conferences and job fairs. If there’s any whitespace, go to work with a Sharpie. Thanks to some junk mail, I’ve got a pizza-themed set as well!

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By Janelle Shane On March 19, 2014 - 2 min read

Light in a circular cavity makes a variety of standing wave patterns, some of which look like flowers, wagon wheels, or even tie-fighter spaceships. These images are from my simulations of the light in the cavities of nanolasers - each pattern is called a mode, and the smaller the laser,

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By Janelle Shane On March 07, 2014 - 1 min read

The view inside one of our lab’s titanium sapphire infrared lasers - if you see a view like this, you’re doing something wrong. Specifically, you’re not wearing laser goggles around a 10W laser source (bad), and placing your eyeballs at beam height (very bad, yet done almost

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By Janelle Shane On February 25, 2014 - 1 min read

The beachgoers flee as hulking monsters climb from the dark water… This is a scanning electron microscope image of some various-sized pillars that appeared on one of my samples during a plasma etching test. They’re made of semiconductor, and the bright plain beneath is silicon. Showing through the dark

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By Janelle Shane On February 24, 2014 - 1 min read

Traffic looks like fireworks when viewed through diffraction glasses. You can pick up diffraction glasses for pretty cheap online - they’re popular as a trippy party effect. But you can also think of them as giving you the superpower of spectrometer vision, the ability to tell apart different kinds

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By Janelle Shane On February 19, 2014 - 1 min read

The microscopic fractured edge of a piece of semiconductor looms like an enormous cliff face. However, this entire view would fit easily inside the diameter of a single human hair. At the top of the cliff is a rough dark layer, the remains of a protective layer that we bombarded

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By Janelle Shane On February 11, 2014 - 1 min read

This is what an ordinary coffee shop looks like through diffraction glasses, which act like prisms to separate white light into a rainbow of colors. In this shot, you can see that not all white sources are alike - a few of them produce a continuous rainbow of colors, while

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By Janelle Shane On February 08, 2014 - 1 min read

A rare view of the entire cross-section of one of my samples, which seems to loom like a massive iceberg over choppy seas. This sample is a thin layer of semiconductor (a material we use for making lasers, among other things), bonded to a much thicker chunk of glass. The

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By Janelle Shane On February 01, 2014 - 1 min read

Fracture patterns at the edge of a broken wafer (broken on purpose, for once). The lighter top layer is silicon, and the darker bottom layer is glass. The glass looks darker than the silicon because it’s a better electrical insulator - the electron beam microscope makes an image by

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