Old photos keep popping up. Here's a triple feature, with what is surely the oldest photo I will ever post. That will be the black and white one. Of course. It's a photo of three or four generations. It was all explained to me, but I've forgotten. The babe is arms? That's my grandad. I introduced … Continue reading The Family Tree
Category: personal
Prague 1973
While working for British Airways (or one of its previous incarnations) my grandfather struck up what was to be a lifelong friendship with a pilot of a Czechoslovakian airline. This was back in the days when most Czechs were held tight behind the iron curtain. Not so the international flying pilots, of course. My grandfather … Continue reading Prague 1973
42
The number 42, or μβ to my Greek friends, is a funny old number. Aside from being a pronic, abundant and sphenic number it is also the third primary pseudoperfect number. It is also the perfect score on the US Math Olympiad and the maximum number of points one can obtain in an International Baccalaureate Diploma … Continue reading 42