Hi Tully,
String theory, quantum mechanics, and gravity are part of Theoretical Physics. If the future career demands then I might have to study something about quantum computing, but I won’t be delving into Theoretical Physics. 🙂
IAS however has a career zone where you can ask Physicists about string theory, quantum mechanics and gravity, and they also have a Physics themed zone at times, where you can ask scientists these questions. But unfortunately I can’t answer any question about these. Sorry 🙁
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