Our Longest Sudoku Solve Ever
1:19:10
Solving A 5* Difficulty Puzzle In 80 Minutes :)
2:12:38
One Of The Greatest Sudokus Ever
31:33
The Oldest Unsolved Problem in Math
20:07
Jon Stewart on Trump’s 3rd Term Plans & Signalgate Lack of Accountability | The Daily Show
2:45:04
"One Of The Best Puzzles I Ever Solved": WARNING: VERY Hard!
28:33
Terence Tao on how we measure the cosmos | The Distance Ladder Part 1
29:22
Coding Adventure: Chess
27:15