Archive for December, 2011

Time lapse: The Aurora December 31st, 2011

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OK, fine. I’m too much of a sap to leave y’all at the end of the year with a floaty shark balloon. So instead, I’ll leave you with some astonishing beauty: Terje Sorgjerd’s time lapse animation “The Aurora”:

Wow. Make sure it’s set to HD and make it full screen!

As devastating and haunting as the northern lights are, my eye kept being drawn to the stars themselves. I recognized some constellations, but their movement across the sky was just so odd: instead of heading up or down, many were going sideways, parallel with the horizon. I hadn’t read the video notes yet, so when I saw that, my first thought was, “Holy cow, how far north was he?!”

Turns out, really, really far. The video was shot at Kirkenes and Pas National Park in northern Norway — yes, northern Norway, around 70

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Analyticity of the Ground State Energy for Massless Nelson Models December 31st, 2011

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Filtrations, Factorizations and Explicit Formulae for Harmonic Maps December 31st, 2011

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Studies on Optimal Gas Supply For a Maskless Etching System with Micro- Discharge Plasma Operated at Atmospheric Pressure December 31st, 2011

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Moral and philosophical ponderings upon year’s end December 31st, 2011

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… are something you won’t be getting from me with this post.

Instead, here’s a video of George Hrab and me watching a shark balloon at Dragon*Con earlier this year.

Because why not?


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On Fundamental Domains and Volumes of Hyperbolic Coxeter–Weyl Groups December 31st, 2011

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An Entropic Uncertainty Principle for Positive Operator Valued Measures December 31st, 2011

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Towards a Construction of Inclusive Collision Cross-Sections in the Massless Nelson Model December 31st, 2011

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Topological order in 1D Cluster state protected by symmetry December 30th, 2011

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Guaranteed Cost Stabilization of Time-varying Delay Cellular Neural Networks via Riccati Inequality Approach December 30th, 2011

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