random thoughts of a procrastinating researcher

There has been a trend in improving energy efficiency of Bitcoin mining machines. But how good can they get? What are the fundamental limits...

For fun, I just put together a Bitcoin mining machine! The machine does brute-force calculations to try to solve the mathematical problem of...

Together with my friend and colleague John Berezney, I decided to make a sonar system using a microphone and speaker. The idea is to make an...

On around August 2009, during a late-night brain-storm session with my colleague Erik Garbacik, I came up with the idea for my MSc project a...

So I thought I'd just write down what I'm working on for the average person who's curious. I work on an instrument called a magn...

What is the future of bitcoins? In the short term, I see one major opportunity: point-of-sale terminals. In the medium term, I see one major...

There is some controversy about full-body airport scanners. The two concerns fall into categories of privacy and public health. I will focus...