“Jigsaw” was the name of the tool we used to cut the pieces. Although we made the early puzzles using a different kind of saw, jigsaw is the one that stuck. Puzzles really became popular during the ...

Ron Moore uses a very thin scroll saw for the intricate cutting involved in his jigsaw puzzles. Ron Moore of Dallas designs and cuts puzzles with a jigsaw in his workshop. Called Turtle Teasers, he ...

Computer science experts have designed a system to encrypt software so that it only allows someone to use a program as intended while preventing any deciphering of the code behind it. This is known in ...