If you want to jump into the quantum rabbit hole, these are some videos I suggest if you dont know anything about QM.
I put them in a logical order, that makes sense.
the idea of “quanta” and light-packets
Youtube: @minutephysics
Double slit experiment in detail:
Youtube @PBS Space Time
Bells Theorem:
Youtube: @minutephysics
leonard Susskind, theoretical minimum of quantum mechanics:
Youtube @Stanford
String theory und grundsätzliche Konzepte (Gravity, General Relativity, superposition)
Youtube @Arvin Ash
Quantum Eraser visualisiert:
Youtube @PBS Space Time