Jon Postel was referring to Transmission Control Protocol (TCP) implementations when he stated that they should follow a general principle of robustness: be conservative in what you do, be liberal in what you accept from others As wikipedia explains: In other words, programs that send messages to other machines (or…

It’s been over twenty years since I studied negative feedback when studying Electrical Engineering and Physics at university. Still, I often see real-world processes and systems where a negative feedback loop is missing. When I say negative feedback, I mean balancing feedback, not “that’s you that is” (critical) feedback. “Negative…

This is based on a my half of a presentation made at the 2017 HDI Symposium on 2nd November 2017. …

Getting the data — In preparation for a hack day I was co-hosting, I wanted to prepare a sample cube of data. I chose to use car data, because it’s totally unrelated to data we would use day-to-day (and I wanted to know roughly how much my car is worth). Web Scraping I scraped the data…

I’m no designer, GCSE Graphic Design is as far as I got, but I love good design. Years ago I had the pleasure of working with the great Ian Wilson and he introduced me to the little gods of design and the works of Jan Tschichold, both of which really…