Marbles
Explores the history and basic rules of marbles, and includes step-by-step instructions and illustrations on how to play marble games from around the world.

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(From the mainstream "lost his marbles") The minimum needed to build your way further up some hierarchy of tools or abstractions. After a bad system crash, you need to determine if the machine has enough marbles to come up on its own, or enough marbles to allow a rebuild from backups, or if you need to rebuild from scratch. "This compiler doesn't even have enough marbles to compile hello, world."

[Jargon File]