To check out the physics courses that I mentioned (many of which are free!) and to support this channel, go to https://brilliant.org/Sabine/ and create your Brilliant account. The first 200 will get 20% off the annual premium subscription. Support me on Patreon: https://www.patreon.com/Sabine #physics #science #education Sound: zapsplat.com 0:00 Intro 0:35 Quantum Mechanics Recap 2:07 Free particle, classical vs quantum 3:22 Tunneling, classical vs quantum 6:32 The weird part 8:20 Sponsor Message