Nanotechnology

How Space Lasers Could Soon Beam Clean Power Down To Earth

Forbes: The idea of space-based laser weapons orbiting the earth has been a part of popular culture and real life government projects for decades, from James Bond’s Goldeneye to Ronald Reagan’s ambitious “Star Wars” program. Recently, the Pentagon began developing…

Durable copper foam could replace flimsy face-mask filters

IMechE: A lightweight foam made of copper nanowires could offer efficient and durable air filtration for face masks, researchers have claimed. The team, from Georgetown University in Washington DC, said the recyclable and easily decontaminated material could also be used…

Gallium Oxide: The Supercharged Semiconductor

IEEE Spectrum: In the May 2002 issue of this magazine, the late Lester F. Eastman and Umesh K. Mishra made the case for what was then a long-shot technology in the world of power semiconductors: gallium nitride (GaN). They presented an…

Mojo Vision Details Low-Power Chips for Augmented Reality Contact Lenses

IEEE Spectrum: A millimeter-scale microLED display that fits onto a contact lens to provide augmented reality is, frankly, amazing, but for it to be useful it needs to know what…