Engineering

Coffee stains inspire optimal printing technique for electronics

Have you ever spilled your coffee on your desk? You may then have observed one of the most puzzling phenomena of fluid mechanics—the coffee ring effect. This effect has hindered the industrial deployment of functional inks ...

Energy & Green Tech

How a surface treatment improves the inside of a solar cell

Physicists from the University of Luxembourg with European experts have succeeded in explaining the recent efficiency improvements in thin film solar cells. The work of the whole consortium has been published in the prestigious ...

Electronics & Semiconductors

Bending an organic semiconductor can boost electrical flow

Slightly bending semiconductors made of organic materials can roughly double the speed of electricity flowing through them and could benefit next-generation electronics such as sensors and solar cells, according to Rutgers-led ...

Engineering

Lasers enable engineers to weld ceramics, no furnace required

Smartphones that don't scratch or shatter. Metal-free pacemakers. Electronics for space and other harsh environments. These could all be made possible thanks to a new ceramic welding technology developed by a team of engineers ...

Energy & Green Tech

Self-powered wearable tech

For emerging wearable tech to advance, it needs improved power sources. Now researchers from Michigan State University have provided a potential solution via crumpled carbon nanotube forests, or CNT forests.

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