Mark Rober puts his pet octopus through a nine-part maze to try to earn a massive stash of her favourite food and, ultimately, her freedom.

posted by noims 1 year 4 months 2 weeks ago • 148 views • 17:13

What is you could solve the shape puzzle with only one piece instead of 3? Modelling using Boolean Intersections may be rarely used, but the results are really interesting and well worth experimenting with!

posted by newtboy 3 years 5 months 2 weeks ago • 132 views • 6:44

A math/physics puzzle with a beautiful (but unexpected) answer.

posted by Zawash 6 years 3 months ago • 1,139 views • 5:13

YouTube: I came across these four physics puzzles over the years in discussions with Neil deGrasse Tyson (riddle 4: which part(s) of a moving train are going backwards with respect to the ground?), Simon... continue reading

posted by PlayhousePals 8 years ago • 1,232 views • 4:24

Via YouTube: All aboard for exciting adventures with Wooden 3D puzzles from Ugears. Self-propelled mechanical toys are the real mechanics in action! It is absolutely fascinating to see the true mechanical... continue reading

posted by Gratefulmom 8 years 1 month ago • 297 views • 1:03

Know a simple way to solve Sudoku puzzles? If there is, let someone know! YT: Hackerdashery #2 Inspired by the Complexity Zoo wiki: https://complexityzoo.uwaterloo.ca/Co... For more advanced... continue reading

posted by Lumm 8 years 11 months 1 week ago • 912 views • 10:44

Your rich, eccentric uncle just passed away, and you and your 99 nasty relatives have been invited to the reading of his will. He wanted to leave all of his money to you, but he knew that if he did, your... continue reading

posted by Mordhaus 8 years 11 months 2 weeks ago • 286 views • 3:50

For years marine biologists have puzzled over what the mysterious vampire squid eats. Recent research by Henk-Jan Hoving and Bruce Robison at the Monterey Bay Aquarium Research Institute finally reveals... continue reading

posted by Mordhaus 8 years 11 months 3 weeks ago • 957 views • 4:33

Taking that internship in a remote mountain lab might not have been the best idea. Pulling that lever with the skull symbol just to see what it did probably wasn’t so smart either. But now is not the... continue reading

posted by Mordhaus 9 years ago • 2,095 views • 3:50

Leave your answers in the comments for the last two.

posted by eric3579 9 years 5 months 3 weeks ago • 1,441 views • 4:52

Try how to drink and not to spill and prove the utmost of your skill.

posted by nock 9 years 12 months ago • 820 views • 6:29

Now that's what I call a true bird brain!

posted by PlayhousePals 1 decade 7 months 2 weeks ago • 197 views • 4:09

Happy October, Month of the Hexaflexagon! Oct. 21st is the annual Celebration of Mind, in honor of Martin Gardner. Maybe you'd like to host or attend a flexagon party sometime around then, or learn about... continue reading

posted by eric3579 1 decade 2 years 6 months 2 weeks ago • 2,201 views • 4:45