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What is a mathematician?

I recently got a new set of business cards printed. I wanted to keep them as simple as possible, and have them communicate only the important information – my name and contact details. But then came the question of what to put underneath my name. I don’t currently have a full time job anywhere, but I do spend pretty much all my time working freelance as a maths communicator, talking to people about maths and popularising the subject. I also do loads of maths related things in my spare time, including running a Maths Jam, and I’m still in the process of writing a paper based on the work I did in my PhD thesis, which I finished last summer. How do you sum that up? I recall recently our own Peter Rowlett struggled similarly when filling in the corresponding field on his census form.

Why the hot light bulb annoys me

A new post is available over at Second-Rate Minds by Peter Rowlett.

The light bulb puzzle presents you with three switches, one of which controls a light bulb inside a closed room. You are permitted to flip switches as much as you like, then you must open the door and say which switch controls the light bulb. You don’t seem to have enough information. You can …

Read the full post: “Why the hot light bulb annoys me