I found this puzzle in a book I've had since I was a kid:
Simply put, your task is to draw the figure at the right without crossing a line, without taking your pencil from the paper and without retracing a line.
The book is called Merlin's Puzzler. It's out of print, but used copies are pretty cheap.
My father introduced me to the "Cross the Network" puzzle when I was a kid. Here it is, as described by Martin Gardner in one of his early Mathematical Recreations… READ THE REST
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Here's a puzzle from Martin Gardner's Mathematical Games column, which ran for many years in Scientific American. I found it in his low-priced Dover edition anthology, My Best Mathematical and… READ THE REST
Dessert cheesecake wafer bear claw fruitcake. Fruitcake chupa chups donut candy canes marzipan. Apple pie sweet roll tart chocolate cake macaroon marshmallow carrot cake gummi bears sweet. Pastry sugar plum… READ THE REST
We all know vital information about ourselves and our private digital accounts can be compromised by cybercriminals. However, many would be frightened to know just how compromised they and their… READ THE REST
While mosquitoes have certainly earned their title as the deadliest animal on earth, their impact on most of our lives is usually a lot less consequential. But even though they… READ THE REST
