User contributions
- 17:22, 25 December 2019 (diff | hist) . . (+130) . . 836: Sickness (Added a statement to clarify that medical and scientific innovation cannot produce immortality nor the eventual end of the universe.)
- 17:05, 24 October 2018 (diff | hist) . . (+48) . . 2063: Carnot Cycle
- 03:35, 22 September 2018 (diff | hist) . . (+145) . . 2049: Unfulfilling Toys (→No-strings-attached Yo-yo)