The 3-jug riddle

You have a full 12-litre jug and empty 5 and 8-litre jugs. Can you measure exactly 6 litres? This problem dates to 1484 and was posed in the context of a milkman making a home delivery to a customer. The story goes this riddle so delighted Simeon Denis Poisson as a young boy that it…

Who invented Rubik’s Cube?

Rubik’s Cube is a 3-D combination puzzle invented in 1974 by Hungarian sculptor and professor of architecture Erno Rubik. As a professor in Budapest, Erno Rubik had a pretty swell day job – but his hobby was even more fascinating. Although it is widely reported that the Cube was built as a teaching tool to help…

Mind Tricks

“The Force can have a strong influence on the weak-minded.” A mind trick is an ability of the Force that allows the practitioner to influence the thoughts of the affected, generally to the user’s advantage. Your eyes aren’t always telling the truth. The mind is the most fascinating part of the body. Although our minds happen to…