11 Dec 2020 | 4:00 pm
The London Institute marks the year’s successes at its Yuletide Winterfest, from 4pm on Friday 11 December—if it can get the spirits out.
The London Institute celebrates the year’s successes with drinks and food by the fire.
The whisky decanter is a Klein bottle, a three-dimensional object with no interior. It can be constructed by gluing together two Möbius strips along their edges. It was drawn entirely mathematically by Robert Farr.