Elon Musk and Canadian singer Grimes have had second child named 'Y'

msn.com:

Elon Musk and Grimes have had a second baby through surrogacy, the singer has revealed in an interview. The pair had their first child, a boy called X AE A-12, or X for short, in May 2020 and their new baby girl was born in December.

Speaking in an interview with Vanity Fair, Grimes didn't share many details about her second child but did say "Her full name is Exa Dark Siderael Musk".

She added, however, they call her "Y". Exa apparently refers to exaFLOPS, which is a supercomputing term that refers to systems that can work out "one quintillion floating operations per second".

Grimes explained that Dark is a reference to "the unknown". "People fear it but, truly, it's the absence of photons," she said. "Dark matter is the beautiful mystery of our universe. "Siderael, meanwhile, is a reference to "the true time of the universe. . .