Quantum mechanics was developed in the early twentieth century to fix problems in Newton’s mechanics for atomic phenomena. This long journey of discovery has radically reshaped our understanding of reality at the most basic level. Quantum mechanics unquestionably works wherever we can directly test it, yet even after 100 years of study no one fully understands how it operates at the most fundamental level. To join me on a tour of the Alice-in-Wonderland-like world of quantum mechanics, read or download the pdf paper below.