
Thought you might be interested in this. It’s quite clever.
I cdnuolt blveiee taht I cluod aulaclty uesdnatnrd waht I was rdanieg. The phaonmneal pweor of the hmuan mind. Aoccdrnig to rscheearch at Cmabrigde Uinervtisy, it deson’t mttaer in waht oredr the ltteers in a wrod are, the olny iprmoatnt tihng is taht the frist and [...]
In olden times it was necessary to keep a good supply of cannon balls near to the cannons on old war ships. But how to prevent them from rolling about the deck was a problem.
The best storage method devised was to stack them as a square based pyramid, with one ball on top, resting on four, resting on nine, which in turn rested on sixteen. Thus, a ready supply of 30 cannon balls could be stacked in a small area right next to the cannon. Perfect.