The class of rough collision laws is quite large and includes random elements. Our main results characterize the rough collision laws for a freely moving rough disk and a fixed rough wall in dimension 2. Any collision law which (i) is symmetric with respect to a certain well-known invariant measure from billiards theory, and (ii) conserves the projection of the phase space velocity onto the “rolling velocity” is a rough collision law.

Uploaded April 2025

Thomas Harriot: A Life in Science puts a human face to scientific inquiry in the Elizabethan and Jacobean worlds, and at long last gives proper due to the life and times of one of history's most remarkable minds.

Uploaded March 2025

This volume offers to general and specialist readers alike the fullest and most complete survey of the development of science in the eighteenth century, exploring the implications of the 'scientific revolution' of the previous century and the major new growth-points, particularly in the experimental sciences.

Uploaded March 2025

On the transformative role of greed in global science and technology during the 1980s.

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Drawing on vivid accounts from bioscientists who experienced and enacted the shift toward commercialization, the book offers an insider's view into the way scientists navigate the complex and shifting landscape of science, innovation, and economic policy.

Uploaded January 2025