PLANCKS 2020 in London

PLANCKS 2020 was hosted virtually by the Institute of Physics in London from the 11th – 13th December 2020.

See the PLANCKS 2020 Facebook page for more information.

Questions
You can take a look at the previous year’s problems: 2014 (Problems, Solutions), 2015 (Problems, Solutions) , 2016 (Problems, Solutions), 2017 (Problems).

Preliminaries: