The modern matchstick was invented in the early 1800s. The initial iterations suffered from assorted defects like violent flares, rancid chemicals, and a tendency to cause factory workers’ jaws to rot ...

Brain teasers are fun little puzzles that challenges your thinking and makes you think various outcomes. These puzzles are simple to look but they always hide a twist that surprises you. Solving a ...

Matchstick puzzles were popularized in the 19th century when mass-produced matchsticks first became available. Match manufacturers started putting simple puzzles on their boxes, and the concept took ...