I always think of this as well. But it may not be so: https://phys.org/news/2020-01-evidence-key-assumption-discovery-dark.html https://phys.org/news/2020-01-e

I always think of this as well. But it may not be so: https://phys.org/news/2020-01-evidence-key-assumption-discovery-dark.html https://phys.org/news/2020-01-evidence-key-assumption-discov...