PGSS 2026

Finished PGSS 2026 !!

• GR and QM

• The velocity parameter (Different room 7500)

• Massless particles / muons All mass comes from energy

• Inelastic collisions… show that mass is energy!

• Relativistic Energy… Teaser re: inelatic collisions

• finish Momentum … 4-vectors … Start Energy

• Relativistic Momentum

• Discussed General transformation problem
• Start on Dynamics

• Fun with Lorentz Transformations
• M sit in on class
• No AC in room

• Derive Lorentz Transformations

• Space-time diagrams

• The Interval

• Recap / Rotations / Reasons to doubt Gallelian Transformations / General Transformations

• Galelallan Transformations
• Lots of questions

• Lecture 2: Classical Physics + Coordinate Changes

• Big picture
• Good class
• Lots of questions…