The Ellen MacArthur Foundation aims to make circular design "the new normal' by persuading 20 million designers to help transform the global economy from a linear to a circular model. The non-profit ...

Some argue that switching to a "circular economy" is crucial when it comes to climate protection and sustainability. But what would it entail? And can it work on a ...

The remarkable developments in Galileo's theory of motion revealed by his letter to Guidobaldo del Monte in 1602 have never been easy to account for in view of the almost complete lack of direct ...

Journal of Applied Probability, Vol. 50, No. 1 (MARCH 2013), pp. 295-299 (5 pages) In this note we compute the Laplace transform of hitting times, to fixed levels, of integrated geometric Brownian ...

A rack and pinion steering system consists of a pinion (a circular gear) with a rack (a linear gear). The system works by converting a revolving motion into linear motion. Most cars, small trucks, and ...