Initially, the name was X Æ A-12, but California naming laws required them to change it to X Æ A-Xii. X represents "the unknown variable." Æ is an elven spelling of “AI,” which stands for ...

Elon Musk took questions in the Oval Office with his son X and President Trump on Tuesday.

A nuclear train? Sounds like science fiction, but it almost happened! The X-12 was designed to revolutionize transportation, eliminating fossil fuel reliance and running on clean energy. But why did ...