How gravity causes a perfectly spherical ball to roll down an inclined plane is part of elementary school physics canon. But the world is messier than a textbook. Scientists have sought to ...

Get Instant Summarized Text (Gist) Additive manufacturing, or 3D printing, offers a viable method for constructing large-scale plastic scintillator detectors used in particle physics. A new ...

Casein plastic was made in Stroud for about 70 years from 1912. Comments are closed for this object What's this? Most of the content on A History of the World is created by the contributors ...