1. opened my physics book...
2. read a paragraph in my physics book
3. left my physics book to make no bake cookies
4. returned to physics book and re-read same paragraph
5. realized it was hot and drained the air conditioning unit that refuses to work for more than a day
6. sat down next to physics book
7. placed physics book in lap...
8. placed laptop in lap on top of open physics book...
let me just sum that up for you: nothing related to physics.
