DENVER—PHOENIX COMPLEXSally looked at Brad with an excited twinkle in her eyes. They were in the office they shared in the Denver Complex. “You were busy with Thorpe and Braxton, so Em ơi [Elder Sister] and eBrad briefed me on their detective work.”
Brad lifted both eyebrows.
“You know, Silly, their investigation of the Asterian MBH drive.”
Brad grinned at his diminutive partner and closest friend. “Tell me about it, Chị ơi [Little Sister], tell me all about it.”
“What do you remember about black holes?”
“A black hole has to be smaller than its Schwarzschild radius to exist…”
Sally interrupted. “That’s for a theoretical black hole where the electric charge, angular momentum, and universal cosmological constant are all zero.”
“Yeah…okay. So, there’s the Kerr metric…”
Sally interrupt
