Scientists develop first electrically-driven 'topological' laser

Scientists and engineers from Nanyang Technological University, Singapore (NTU Singapore) and the University of Leeds in the U.K. have created the first electrically driven topological laser, which has the ability to route ...

Fastest high-precision 3-D printer

3-D printers working in the millimeter range and larger are increasingly used in industrial production processes. Many applications, however, require precise printing on the micrometer scale at a far higher speed. Researchers ...

New printer creates extremely realistic colorful holograms

Researchers have developed a new printer that produces digital 3-D holograms with an unprecedented level of detail and realistic color. The new printer could be used to make high-resolution color recreations of objects or ...

Semiconductor scientists discover effect that was thought impossible

A physical effect known as superinjection underlies modern light-emitting diodes (LEDs) and lasers. For decades this effect was believed to occur only in semiconductor heterostructures—that is, structures composed of two ...

Aluminum on the way to titanium strength

NUST MISIS scientists have proposed a technology that can double the strength of composites obtained by 3-D printing from aluminum powder, and advance the characteristics of these products to the quality of titanium alloys: ...

Erasable ink for 3-D printing

3-D printing by direct laser writing produces micrometer-sized structures with precisely defined properties. Researchers of Karlsruhe Institute of Technology (KIT) have now developed a method to erase the ink used for 3-D ...

Reprintable paper becomes a reality

Since its invention around 100 B.C. in China, paper as a material for spreading information has greatly contributed to the development and spread of civilization. Even in today's information age, with electronic media omnipresent ...

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