blog
- How games fake 3D sound on headphones An interactive guide to the maths of hearing in 3D, played by the band from Outer Wilds.
- Prime knots are determined up to mirror image by the finite quotients of their groups The proof combines Xu's results on profinite isomorphisms of 3-manifold groups with the marked recognition theorem of Biswas and Singh.
- Mooring a 4D boat Knots don't hold in four dimensions.
