Whether you’re stuck inside or simply bored at home, a good jigsaw puzzle can keep you entertained. The best unique puzzles for adults feature sophisticated designs with at least 500 pieces and offer ...

After nearly two full days of note taking and digesting advanced research topics, I opted for a slight break for my brain. In a symposium entitled "Design of Mechanical Puzzles," various speakers ...

For prizewinning puzzle creators, the devilish ideas are in the details. By Siobhan Roberts Friction is a force that opposes the motion of one object relative to another — and it’s always an important ...