Concordance Cosmology (thesis series)

This series of posts goes through the elements of the concordance cosmology: general relativity, inflation, the Big Bang and the expansion of the universe, cold dark matter (CDM) and a positive cosmological constant. I will start with a review of the historical, theoretical, and observational advances that led to each model’s widespread acceptance. The posts are excerpts from my Ph.D. thesis, lightly modified for blog format. No mathematical equations are written, with the intent of making the introductory material accessible to the non-specialist. A full bibliography of references in posts in this series is available.

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Staying Focused

I fully admit to being an information and interaction junky. I feed on bits and pats on the backs to the point of bloating, and with my schedule when I’m working I need to be on point. I try to take a media fast once a year for about a month for a personal cleanse, […]

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Axolotl Protocol for Cryptographically Secure Messaging: An Illustrated Primer

Whisper At Open WhisperSystems Winter Break of Code, I had the privilege to announce our integrated RedPhone/TextSecure roadmap for iOS and Android.  Code named Whisper, it offers a cross platform one stop solution for secure messaging and phone calls. This is a big deal! Close to a billion people are using data channel messaging and phone […]

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