Greg Puzzles Blog
Interlocking Puzzle Notation: What Level Actual...
Twelve pieces sounds harder than two. It usually is not. Here is what puzzlers actually mean by level, and why the number on the box is not the number that...
Interlocking Puzzle Notation: What Level Actual...
Twelve pieces sounds harder than two. It usually is not. Here is what puzzlers actually mean by level, and why the number on the box is not the number that...
The Impossible Dovetail: A Joint That Should No...
Dovetails on two faces at once, running in directions that contradict each other. To slide it apart you would have to move it two ways at the same time -...
The Impossible Dovetail: A Joint That Should No...
Dovetails on two faces at once, running in directions that contradict each other. To slide it apart you would have to move it two ways at the same time -...
How to Solve the Key and Keyway Cube
Eight small cubes, a screw on some faces and a keyhole slot on others. The join is easy. Working out which eight of the many possible pairings is the one...
How to Solve the Key and Keyway Cube
Eight small cubes, a screw on some faces and a keyhole slot on others. The join is easy. Working out which eight of the many possible pairings is the one...
Frederic Boucher: The Box Is the Puzzle
Most packing puzzles treat the box as a container. Boucher treats it as the design - and the holes cut into it are not decoration, they are the mechanism.
Frederic Boucher: The Box Is the Puzzle
Most packing puzzles treat the box as a container. Boucher treats it as the design - and the holes cut into it are not decoration, they are the mechanism.
Stewart Coffin: The Sculptural Art That Comes A...
He built computers at MIT, then canoes, then started cutting up polyhedra in 1968 and never stopped. Over 500 designs later, his rules still explain why so few pieces can...
Stewart Coffin: The Sculptural Art That Comes A...
He built computers at MIT, then canoes, then started cutting up polyhedra in 1968 and never stopped. Over 500 designs later, his rules still explain why so few pieces can...
Dr. Volker Latussek: Harder Than It Looks
Whenever his name is on a puzzle, it is going to be much harder than it looks. Three mechanisms explain how he does it, and none of them are about...
Dr. Volker Latussek: Harder Than It Looks
Whenever his name is on a puzzle, it is going to be much harder than it looks. Three mechanisms explain how he does it, and none of them are about...