Because It’s Friday – Coffee cups are mathematically equivalent to a doughnut.

I have been away for a couple of weeks and on my return I caught up with what Randall Munroe has been publishing on xkcd.com. I found a few that I just had to include here… Holiday WiFi When we get to our time-share in Aviemore, one of the first … Continue reading Because It’s Friday – Coffee cups are mathematically equivalent to a doughnut.