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Daemon
Posted: Saturday, February 15, 2020 12:00:00 AM
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Joined: 3/7/2009
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The Wheel

Perhaps the most important invention in history, the wheel was—and remains—essential to the development of human civilization. The first wheels appeared in the 4th millennium BCE and were solid wooden disks. Spoked wheels were developed about 1,000 years later in Asia Minor and were used in the chariots of Caucasian horse cultures, which then penetrated into the Greek peninsula and laid the foundation for classical Greece. The spoked wheel remained in use without major modifications until when? More...
KSPavan
Posted: Saturday, February 15, 2020 1:50:33 AM

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The Wheel
Perhaps the most important invention in history, the wheel was—and remains—essential to the development of human civilization. The first wheels appeared in the 4th millennium BCE and were solid wooden disks. Spoked wheels were developed about 1,000 years later in Asia Minor and were used in the chariots of Caucasian horse cultures, which then penetrated into the Greek peninsula and laid the foundation for classical Greece.
Adyl Mouhei
Posted: Saturday, February 15, 2020 5:37:13 AM

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Why It Took So Long to Invent the Wheel. Wheels were invented circa 3,500 B.C., and rapidly spread across the Eastern Hemisphere. Wheels are the archetype of a primitive, caveman-level technology. But in fact, they're so ingenious that it took until 3500 B.C. for someone to invent them.


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Wilmar (USA) 1M
Posted: Saturday, February 15, 2020 9:14:46 AM

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Joined: 6/4/2015
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Perhaps the most important invention in history, the wheel was—and remains—essential to the development of human civilization. The first wheels appeared in the 4th millennium BCE and were solid wooden disks. Spoked wheels were developed about 1,000 years later in Asia Minor and were used in the chariots of Caucasian horse cultures, which then penetrated into the Greek peninsula and laid the foundation for classical Greece.

Yes, indeed. The wheel on the bus goes 'round and 'round...
thar
Posted: Saturday, February 15, 2020 10:25:14 AM

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Joined: 7/8/2010
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Apart from the whole axle idea, The smartest invention to me are the standard metal spokes of bicycle wheels. No strength in compression, but like metal wires - strong in tension. The axle doesn't press down on the bottom of the wheel, it hangs off the top. All the strength is in the rim, held in shape by the tension of the spokes. I thought that was very cool when I first discovered that.
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