Engineering

New process allows 3D printing of microscale metallic parts

Engineers at Caltech have developed a method for 3D printing pure and multicomponent metals, at a resolution that is, in some cases, an order of magnitude smaller than previously possible. The process, which uses water-based ...

Energy & Green Tech

Solar cells as part of the house façades of the future

Solar panels with different colors can be integrated in the façades of buildings and become an aesthetically exciting part of the architecture. The Technical University of Denmark (DTU) is collaborating with façade contractor ...

Energy & Green Tech

Alternative to aviation fuel based on an oxygenated nanofluid

Aviation is a big user of fossil fuels and, as such, is a heavy producer of carbon emissions. Sustainability is high on the agenda. New work in the International Journal of Sustainable Aviation has reviewed the thermo-physical ...

Energy & Green Tech

Increased spacing of solar panels comes with benefits

Moving rows of solar panels farther apart can increase efficiency and improve economics in certain instances by allowing greater airflow to whisk away some heat, according to a new analysis.

Engineering

Sandblasting with light

Sandblasting—that was yesterday. Laser beams can now clean and structure surfaces more precisely and cost-effectively and in more environmentally friendly ways than conventional systems. The Fraunhofer Institute for Material ...

Business

Boeing delivers first 787 in a year

Boeing delivered a 787 Dreamliner to American Airlines on Wednesday, the first of that aircraft to be sent to a customer in over a year due to defects discovered in the plane.

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