Paper, astrolabe, ruler, compass: a short introduction to the math behind general relativity

I’m going attempt to give an accessible introduction to general relativity for non-mathematicians without glossing over the mathematical objects one must to get a feel for to be able to follow research in the area. Let me know how successful I am! Read More …

book review: Quantum Computing Since Democritus

There is both room for and a need for many different types of physicists and scientists to kick progress up a notch. Some of the most mind-stretching and inspiring are those who are philosophical about their work, as well as those who are interdisciplinary in their understanding. Scott Aaronson fits in both camps and shares Read More …

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 Read More …