Or to put in more simple terms, how to make a functioning toy blaster gun small enough ... but also the spring mechanism that stores the mechanical energy and the trigger mechanism.

The mysterious Antikythera Mechanism is 2,000 years old and has long puzzled scientists. New research into its triangle-shaped teeth may finally reveal its intended purpose.

the card activates a mechanism that slides all the racks that line up with holes and flips their segments. This isn’t the first multi-segment mechanical masterpiece from [Kango Suzuki] that we ...