Stranger Gravity

The Upside Down may really exist, according to French physicist

In Netflix’ sci-fi/horror TV show “Stranger Things” (now airing the fourth season), a young kid named Will Byers disappears from his friends and single mom only to be later found in a parallel dimension called “the upside down”. The school’s science teacher (arguably my favorite character) explains its existence in terms of rolled-up extra spatial dimensions and the so-called theory of the multiverse, i.e. our visible universe is just one of many, the others being invisible to us unless some…