In 1929, the physicist Paul Dirac wrote, “The underlying physical laws necessary for the mathematical theory of a large part of physics and the whole of chemistry are thus completely known, and the ...

An auxetic material becomes thicker in one or more width-wise directions when it is stretched along its length. Conversely, it becomes thinner when compressed lengthwise. This contrasts with ‘normal’ ...

Honeycomb core materials, such as aramid, aluminium, and fibreglass, are used in areas such as interiors, winglets, spoilers and many other parts in commercial and military aircraft, helicopters and ...

Choosing Chinese language textbooks and other materials is a big decision, especially considering their influence over curriculum and their staying power in classrooms amid school districts’ budget ...