Quantum Supremacy Explained: What Quantum Computers Can Really Do?

In 2019 Google said its quantum computer did in 200 seconds what a supercomputer would need 10,000 years to do. Was it true? Here's what quantum supremacy really means, what's happened since, and what quantum computers can and can't do. No heavy maths. 0:00 Intro 0:18 Bits and qubits 1:04 Why qubits scale so fast 1:50 The catch: interference 2:35 What "supremacy" means 3:16 Google's 2019 claim 4:08 The classical comeback 4:57 The real enemy: noise 5:48 Can anyone check the answer? 6:49 What they could really do 7:39 So, where are we? 8:23 Recap #QuantumComputing #QuantumSupremacy #Physics #Technology #Google #IBM #ScienceExplained #ComputerScience #supercomputer