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Definitely not competitive with an experienced operator on a real IBM 029 keypunch machine
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A zillion charcoal granules and two zillion ion-exchange resin beads
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A solid block of corrugated cardboard
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200 mm may be the far limit of useful detail for a 5 MP camera
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Well-behaved camera focusing
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The button produces key-down / key-up events
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So the accumulated position changes smoothly
The Smell of Molten Projects in the Morning 