1. a spherical or approximately spherical body or shape; sphere. 2. a round or roundish body, of various sizes and materials, either hollow or solid, for use in games. No, the author of this article ...

It's possible that the wheel was invented by copper miners in the Carpathian Mountains up to 6,000 years ago, according to a modeling study that uses techniques from structural mechanics. When you ...

Spinning methods. (a) Manual thigh-spinning [64]; (b) Spindle-and-whorl “supported spinning” [68]; (c) “drop spinning” [66]; (d) the experimental spindles and whorls, the 3D scans of the pebbles and ...

The wheel is probably the single greatest invention in history. Its importance to the development of mankind — and its influence on our world today — is incalculably huge. Aside from forming the basis ...

The wheel beats the Internet hands down as the world's most important invention, according to a survey of Oxfordshire business executives. Eighty-four per cent of those questioned rated the wheel as ...