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A comment on Why things might have taken so long. Parent comment

Re:Why things might have taken so long by nradov on Saturday January 06, 2018 @11:22AM (#16085882)
You can't make a useful wheel out of a single large block of wood. It will dry out and crack. Wooden wheels are made of several pieces to minimize this problem.
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Re:Why things might have taken so long by sametmax on Sunday January 07, 2018 @07:59AM (#16090711)
You are describing a more complex wheel already.

The first used wheel bas probably some vague round stone with a hole it it.

It sucked, but it was better than no wheel.

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