All Stories

  1. Spinning tops on a gentle incline—the answer
  2. Spinning tops on a gentle incline—the question
  3. Three holes in a bottle—the answer
  4. Bouncing balls and a table—the answer
  5. Three holes in a bottle—the question
  6. Free fall—the answer
  7. Bouncing balls and a table—the question
  8. Testing tubes—the answer
  9. Free fall—the question
  10. Bowling balls and elastic collisions—the answer