Advances in additive manufacturing, also known as 3D printing, have generated increasingly powerful capabilities for producing geometrically complex structures that could not be made using ...
Murray Leinster’s short story Things Pass By, published in 1945, includes what may be the first description of 3D printers: But this constructor is both efficient and flexible. I feed magnetronic ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果