Quotables
"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7363199 | Method and apparatus for simulating soft object movement Movement of a soft body is simulated by defining its surface as an arbitrary mesh of points connected by edges. Each point is represented as a point mass, subject to conventional laws of motion. The simulator represents forces acting on the point masses, namely skin... | 04/22/2008 |
| 7353149 | Method and apparatus for simulating dynamic contact of objects Contact of rigid bodies is simulated with friction. A contact point is determined as a mid point between closest points on each body. An integrated relative velocity (IRV) vector is computed, and is minimized by applying forces to both bodies. If the IRV value excee... | 04/01/2008 |
