Wetting-transparent graphene films hydrophobic water-harvesting surfaces   Graphene coatings can be wetting-transparent, even for roughened copper surfaces, which are strongly hydrophobic and significantly less wettable than graphene alone.   Article  |  Spring 2015     Over the last two years there has been a vigorous debate in the science community regarding the wetting pr...

A goosebump sensor reads your emotions   The thin flexible capacitive goosebump patch is able to measure the degree of human emotion quantitatively.   Article  |  Spring 2015     People get goosebumps when they feel a sudden surge of emotion. Goosebumps are due to the shrinkage of the skin cells around hairs, making the hairs stand on end. Animals, such as lions and cats, de...

Custom-designed bacterium overproduces the amino acid L-arginine at an industrial scale   The synergistic combination of random selection and systems metabolic engineering approaches enables the construction of a high-performance Corynebacterium glutamicum strain for overproducing L-arginine, an important biochemical component in both medical and industrial applications.   Article  |&...

Graphene quantum dot LEDs   The first graphene quantum dot light-emitting diodes (GQD-LEDs), fabricated by using high-quantum-yield graphene quantum dots through graphite intercalation compounds, exhibit luminance in excess of 1,000 cd/m2.   Article  |  Spring 2015     Graphene is a 2D carbon nanomaterial with many fascinating properties that can enable to creation of next-...

Light-powered healing of a wearable electrical conductor   Light-powered delivery of silver nanowires by photofluidic movement can offer rapid, noninvasive, repetitive, and on-demand healing of electrical conductors.   Article  |  Spring 2015     Mechanical failure along a conductive pathway can cause the unexpected shutdown of electronic devices, ultimately limiting device...

Mobile Maestro: A ubiquitous immersive sound reproduction system   Mobile Maestro enables users to enjoy a high-quality listening experience anytime and anywhere through the collaborative use of multiple mobile devices.   Article  |  Spring 2015     Immersive sound (e.g., 5.1-channel surround sound) reproduction creates a rich, engaging user experience, and people strongly d...