ArchiveTags

  1. Written Before Going Back to School

    Thoughts before going back to school

  2. Welcome to the Time Capsule

    A note about this anonymous site and the things it hopes to keep.

  3. A Protected Entry⌕ Protected
  4. Lie Derivative and Fluids

    A concise note on Lie derivatives, fluid perturbations, and a perturbed stress-energy tensor.