Steven Strogatz and Grant Sanderson talk about a famous historical math problem, a clever solution, and a modern twist.

## Who (else) cares about topology? Stolen necklaces and Borsuk-Ulam by 3Blue1Brown

The Borsuk-Ulam theorem from topology solving a counting puzzle. Truly unexpected, truly beautiful.

## A Proof That Some Spaces Can’t Be Cut by Kevin Hartnett, Quanta magazine

### Mathematicians have solved the century-old triangulation conjecture, a major problem in topology that asks whether all spaces can be subdivided into smaller units.

### A Proof That Some Spaces Can’t Be Cut

### by Kevin Hartnett

## Discovering new technologies at Wired Magazine: Next Generation event

**By Lara Loasby, Block 4**

On Saturday 4 November, I was lucky enough to attend the annual Wired Magazine Next Generation event for the third time running.

This year did not disappoint, with lots of incredible talks and pieces of new technology to experience. The venue was the Tobacco Dock in east London – a really interesting building and yet I found it a strangely historical venue to hold a technology convention in.

We registered at 9am and went to the interactive zone to try out all the new examples of technology on display. There were three examples of virtual reality art on show, one was a five-minute movie and the other two were purely pieces of art called *Rainbow* and *Aqua Phobia* respectively. *Aqua Phobia* was very quirky and in some senses creepy, seemingly set in abandoned pipeways tinted green with water gushing everywhere.

The VR movie was stunning…

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