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Scientists capture fleeting dance of moiré excitons

3D Printing with Aluminum

Metal additive manufacturing can produce a wide range of metals, but additive manufacturing with aluminum is used to develop parts specifically for the aerospace and automobile industry. This article explores production methods, advantages, and applications.

Scientists capture first ever image of an electron's orbit within an exciton

Okinawa Institute of Science and Technology Graduate University Highlights Excitons are excited particles that form when negatively charged electrons bind to positively charged holes Researchers have now used cutting-edge technology to capture the first ever image of the electron inside of an exciton The technique uses extreme ultraviolet light to break excitons apart and kick the electrons into the vacuum of an electron microscope By measuring the angle at which the electrons are ejected from the material, the research team determined how the electrons and holes orbit each other in an exciton Press Release In a world-first, researchers from the Okinawa Institute of Science and Technology Graduate University (OIST) have captured an image showing the internal orbits, or spatial distribution, of particles in an exciton – a goal that had eluded scientists for almost a century.

New catalyst makes styrene manufacturing cheaper, greener

 E-Mail Chemical engineering researchers have developed a new catalyst that significantly increases yield in styrene manufacturing, while simultaneously reducing energy use and greenhouse gas emissions. "Styrene is a synthetic chemical that is used to make a variety of plastics, resins and other materials," says Fanxing Li, corresponding author of the work and Alcoa Professor of Chemical Engineering at North Carolina State University. "Because it is in such widespread use, we are pleased that we could develop a technology that is cost effective and will reduce the environmental impact of styrene manufacturing." Industry estimates predict that manufacturers will be producing more than 33 million tons of styrene each year by 2023.

New catalyst makes styrene manufacturing cheaper, greener