The amount of space debris has increased steadily since the launch of Sputnik in 1957, and about 22,000 man-made objects that are 10 cm or larger in diameter are currently cataloged and tracked in low ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Additive manufacturing (AM), or 3D printing, is one of the latest and most sensational developments in manufacturing since the industrial revolution. The technique is mainly based upon ‘layer-by-layer ...