Does Quantum Mechanics apply to everything, whether small or big?

The Quantum Measurement Problem Explained | Paul Davies

Is an electron a particle or a wave? 🟢🌊

Can We Test Quantum Gravity? | World Science Festival

What is the arrow of time and how does it work? ➡️🕛

Quantum Mechanics Still Doesn't Make Sense | Sean Carroll

I finally understood why quantum mechanics needs imaginary numbers (My mind is blown!)

Strange Things Are Happening in Quantum Computing

David Albert & Jacob Barandes: Debating the Foundation of Quantum Mechanics