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In this episode...

* How do you stop a wobbly table from wobbling?\xa0

* Which is more effective for your dental hygiene: a toothbrush without toothpaste or toothpaste without a toothbrush?\xa0

* A-to-the-O-to-the-B.\xa0

* Plus! Some exciting merch news.\xa0

If you want to see more of Matt's wobbly tables on ridiculous maths surfaces, you can do that here: https://arxiv.org/abs/math/0511490.

For the best system for teeth brushing and more tips on dental hygiene have a listen to \u2018APS 03 - Teeth Tips and Defining Decades\u2019 https://aproblemsquared.libsyn.com/aps-003.

And, you can now buy APS merch! If you want a t-shirt of your own, head on over to: https://a-problem-squared.teemill.com.

As always, if you've got a problem or a solution, hit us up on our website aproblemsquared.com.

And if you want want even more from A Problem Squared, find us on Twitter and Instagram.