Surrey Physics Blog

The blog of the Department of Physics at the University of Surrey

Christmas, the perfect time to read up on the failure statistics of A/C units of Boeing 720 airliners

Trans Polar Boeing 720 Söderström

In addition to eating too much, watching too much rubbish tv, and maybe drinking a little too much too, I have been reading a paper on the statistics of times-between-failures of air conditioning units of Boeing 720 airliners. These airliners are now obsolete, as I guess are the air conditioning units – the paper is from 1963. But the paper is a classic, the maths in it is relatively formal but the idea is simple.

Four hours of lectures are rewarded by the world’s most bizarre fruit

I am in Malaysia for a school for Malaysian PhD students and postdocs. I have given four hours of lectures on modelling how crystals form. That is a lot – about 200 slides to prepare. That was hard work, but teaching really helps your understanding. Generally if you understand something you can, hopefully, explain it […]

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