There is little doubt that a hard Brexit will be bad for British and European science. And when this message was conveyed this week by 29 Nobel prizewinners and six Fields medallists in a letter to UK prime minister Theresa May and European Commission president Jean Claude Juncker, you can be certain it reached its intended audience.
In rejecting EU funding programmes, Britain has jeopardised research and made itself far less attractive to overseas scientists.
The technology field will be hurt by the Data Bill and the breakdown of Horizon.
Among other devastating repercussions, crashing out will cause a hostile climate between the UK and EU, which would strongly serve to repel European and global scientists from our shores.