If quantum theory is strange, relativity is stranger because it alters the time and space we take for granted. Special relativity suggests 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. Time Dilates
QR5.2.5. The Universal Speed Limit