Quantum theory is strange but relativity is stranger because we struggle to understand how our time and space can change. Special relativity suggests that there is a mystery behind the movement of ordinary matter.
QR5.2.1. Our Reality Bubble
QR5.2.2. Maintaining Normality
QR5.2.3. Maintaining Causality
QR5.2.4. Matter Time
QR5.2.5. The Universal Speed Limit