Stripe CTF 3.0

Sadly, level 3 would not run for me, even with Stripe’s patch, so I could not continue with the competition. It was fun while it lasted though – C Wednesday saw the beginning of another Stripe CTF! This time I was in London when it started so I went to the launch meeting with some […]

A Fractal Height Map Generator in Ruby

[I’m migrating my old articles to the blog in order to switch to it entirely] Date: 25th March 2010 Introduction This article describes the theory behind, and how to implement, a basic fractal height map generator. It is based upon the algorithm defined at Height maps are used in many things: positioning software, graphical […]

Stripe-CTF 2.0

I managed to finish the Stripe CTF with 18 hours to spare and placed no. 702. I’m pretty happy with the result considering how little time I actually spent on it! My progress can be found here and you can see when I took days off! Overall the competition was really enjoyable and the final […]

Big displays and tabletops – the wrong approach?

The current model Current research trends are in favour of large public displays, hidden projectors, and table top displays – Microsoft’s Surface being a prominent example along with the many research projects involving public displays. A lot of these projects have options for multiple users operating the systems, in fact some are made only for […]

Arduino Gas Sensor – Part 2

Previously So I left the last article with the following: Well apart from the hardware I need, so issues need to be addressed which may or may not require extra hardware – as I’ve just thought of them. DateTime equivalent object for when I register a pulse Work out how long these will last on […]

Arduino Gas Meter Sensor – Part 1

Motivation My newly ordered Arduino Uno came in the post today so I got to start building with it! An upcoming sensing deployment needs a way of sensing gas usage, so I’m building a basic sensor to measure it. Luckily, most gas meters have an LED pulse which goes off every so often and we […]

4 weeks in corporate research – initial thoughts

So I’ve spent the last 4 weeks in Cambridge working as an intern at Microsoft Research and I thought I’d share my observations on the differences between academia and corporate research. Academia, I find, is far from the ivory tower that it once was. Forgetting the worrying need to find economic benefit for projects, most […]