NASA completes milestone toward quieter supersonic X-plane

NASA has achieved a significant milestone in its effort to make supersonic passenger jet travel over land a real possibility by completing the preliminary design review (PDR) of its Quiet Supersonic Transport or QueSST aircraft ...

Color effects from transparent 3-D printed nanostructures

Most of the objects we see are colored by pigments, but using pigments has disadvantages: such colors can fade, industrial pigments are often toxic, and certain color effects are impossible to achieve. The natural world, ...

Team discovers rules for breaking into Pseudomonas

Researchers report in the journal Nature that they have found a way to get antibacterial drugs through the nearly impenetrable outer membrane of Pseudomonas aeruginosa, a bacterium that—once it infects a person—is notoriously ...

World's first handheld sound camera ready for market

Most car drivers have had the experience of hearing a buzzing, squeaky, or rattling sound while driving but not being able to figure out where the noise is coming from. The problem could be simple, requiring a quick fix, ...

New life for old TV screens

Television sets have changed dramatically in recent years, with the introduction of flat-screen LCD, plasma and LED monitors. These new technologies have virtually eliminated the old-fashioned cathode ray tube (CRT) once ...

How to build a 3-D-printed particle trap with free CERN schematics

CERN is synonymous with accelerators, designed to boost particles to close to the speed of light. But what if you want to slow down a particle and hold it in place while you study it? Particle traps are devices that use electromagnetic ...

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