Eles não parecem ser.

Há um grande artigo sobre a azáfama sobre isso, depois de analisar isso eu encontrei o que eu acho que é a parte mais importante.

If you Google the Braille alphabet and try to read along, you'll discover a problem that I ran across as well. Some of the more distinguishable symbols do not appear. They just aren't letters. At first I thought they were placed on the wall upside-down or printed backwards. That would be embarrassing for old Dr. Wells. Then I remembered to check Second Grade Braille. This is your cool lesson of the day. Braille has a system of contractions in addition to the alphabet. Certain symbols can mean letters, prefixes, suffixes, or common words. So, those symbols that I wasn't able to identify are Second Grade symbols. However, with a poor idea of where sentences and words start on the wall, I still wasn't able to decipher anything meaningful. Two symbols that appear next to each other a lot could mean "-ed as" or "-ed z." Deep stuff.
_{^{- Is Harrison Wells Lair covered in Braille? - Bustle}}

Mais tarde, o artigo diz que definitivamente há algum significado, mas não podemos ter certeza do que é.

Of course, I could be accidentally insulting The Flash's art department. Perhaps this is supposed to mimic Braille, but doesn't actually say anything and I'm just being an over-analytical jerk. They could have put a panel in upside-down for all we know. Maybe it's not Braille at all. But it definitely is some sort of pattern that's too significant to ignore.
_{^{- Is Harrison Wells' Lair covered in Braille? - Bustle}}