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Researchers at MESA+ Institute for Nanotechnology developed a tool that can measure the size of a plasma source and the color of the light it emits simultaneously. “Measuring both at the same time enables us to further improve lithography machines for smaller, faster and improved chips.” The article is highlighted as an Editor’s pick in Optics Letters.
Lithography machines are central to the process of making the microchips that are needed for almost all our electronic devices. To produce the smallest chips, these machines need precision-engineered lenses, mirrors and light sources. “Traditionally, we could only look at the amount of light produced, but to further improve the chipmaking process, we also want to study the colors of that light and the size of its source,” explains Muharrem Bayraktar, assistant professor at the XUV Optics Group.
The extreme ultraviolet light is emitted by a plasma source, produced by aiming lasers at metal droplets. With sets of special mirrors, this light is aimed at a silicon wafer to create the smallest microchips imaginable. “We want to make the plasma as small as possible. Too large and you ‘waste’ a lot of light because the mirrors cannot catch all the light,” says Bayraktar.
The mosaic reveals unprecedented detail of the lunar South Pole region and highlights a scenic crater called the Shackleton Crater.
In the first and second parts of this series, pv magazine reviewed the productive lifespan of residential solar panels and inverters. Here, we examine home batteries, how well they perform over time, and how long they last.
Residential energy storage has become an increasingly popular feature of home solar. A recent SunPower survey of more than 1,500 households found that about 40% of Americans worry about power outages on a regular basis. Of the survey respondents actively considering solar for their homes, 70% said they planned to include a battery energy storage system.
Besides providing backup power during outages, many batteries are integrated with technology that allows for intelligent scheduling of the import and export of energy. The goal is to maximize the value of the home’s solar system. And, some batteries are optimized to integrate an electric vehicle charger.
“We’ve had a bit of a breakthrough.” Toyota, MIT and Columbia Engineering have shown off wild results from a new AI learning approach that massively accelerates how quickly robots can acquire new skills. It looks like a ChatGPT moment for robotics.
“Beginning September 25, every U.S. household can again place an order to receive four more free COVID-19 rapid tests delivered directly to their home.”
Every U.S. household is eligible to order 4 free at-home COVID-19 tests.
A new factory will produce the human-centric, multi-purpose robot “Digit” at scale in the U.S.
Agility Robotics, creator of a groundbreaking bipedal robot called Digit, has revealed that the company is opening RoboFab, a robot manufacturing facility in Salem, Oregon with the capability to produce more than 10,000 robots per year.
Tesla suspends the base Model Y AWD in the United States. This might have to do with the upcoming Cybertruck and 4680-cell shortage at Giga Texas.
Produced with techniques borrowed from Japanese paper-cutting, the strong metal lattices are lighter than cork and have customizable mechanical properties.
Cellular solids are materials composed of many cells that have been packed together, such as a honeycomb. The shape of those cells largely determines the material’s mechanical properties, including its stiffness or strength. Bones, for instance, are filled with a natural material that enables them to be lightweight, but stiff and strong.
Inspired by bones and other cellular solids found in nature, humans have used the same concept to develop architected materials. By changing the geometry of the unit cells that make up these materials, researchers can customize the material’s mechanical, thermal, or acoustic properties. Architected materials are used in many applications, from shock-absorbing packing foam to heat-regulating radiators.
