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Do you have lots of unread pop math books on your shelves? Join our new monthly online book club!

We talk to three engineers working in different jobs across industry and academia

Books, business and barns are the topics readers have sent in to the professor's postbox this issue

Sam Hartburn orders wine by the barrel, but wonders if she's getting the most wine

Did you solve it?

We analyse the maths and physics required to execute a good chip shot