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New 3D printing method promises faster printing with multiple materials

Method is 5 to 10 times faster than the quickest high-resolution printer currently available and is capable of using multiple types of resin in a single object


Advancements in 3D printing have made it easier for designers and engineers to customize projects, create physical prototypes at different scales, and produce structures that can’t be made with more traditional manufacturing techniques. But the technology still faces limitations – the process is ...


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How benign water transforms into harsh hydrogen peroxide

A new study has put a remarkable and unexpected chemical genesis on more solid footing


Back in 2019, Stanford University researchers and colleaguesrevealed the surprising discoverythat hydrogen peroxide – a caustic substance used for disinfecting surfaces and bleaching hair – spontaneously forms in microscopic droplets of ordinary, benign water. Researchers have since aimed to ...


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Light-Controlled Reactions at the Nanoscale

Physicists used for the first time laser light to control the location of light-induced reactions on the surface of nanoparticles


Controlling strong electromagnetic fields on nanoparticles is the key to triggering targeted molecular reactions on their surfaces. Such control over strong fields is achieved via laser light. Although laser-induced formation and breaking of molecular bonds on nanoparticle surfaces have been ...


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How a soil microbe could rev up artificial photosynthesis

The secret is an enzyme that “juggles” reaction ingredients


Plants rely on a process called carbon fixation – turning carbon dioxide from the air into carbon-rich biomolecules ­– for their very existence. That’s the whole point of photosynthesis, and a cornerstone of the vast interlocking system that cycles carbon through plants, animals, microbes and the ...


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New kind of 3D printing

Engineers at Stanford and Harvard have laid the groundwork for a new system for 3D printing that doesn’t require that an object be printed from the bottom up


While 3D printing techniques have advanced significantly in the last decade, the technology continues to face a fundamental limitation: objects must be built up layer by layer. But what if they didn’t have to be? Dan Congreve, an assistant professor of electrical engineering at Stanford and ...


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AI deciphers atomic-scale images for better batteries

Researchers answered long-standing questions about an emerging type of rechargeable battery posing competition to lithium-ion chemistry


Today’s rechargeable batteries are a wonder, but far from perfect. Eventually, they all wear out, begetting expensive replacements and recycling. “But what if batteries were indestructible?” asks William Chueh, an associate professor of materials science and engineering at Stanford University and ...


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Stanford researchers make rechargeable batteries that store six times more charge

Serendipitous discovery: "It took us about at least a year to really realize what was going on"


An international team of researchers led by Stanford University have developed rechargeable batteries that can store up to six times more charge than ones that are currently commercially available. The advance, detailed in a new paper published Aug. 25 in the journalNature, could accelerate the ...


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First closeups of how a lithium-metal electrode ages

Scientists have documented a process that makes these next-gen batteries lose charge - and eventually some of their capacity for storing energy - even when a device is turned off


The same process that drains the battery of your cell phone even when it's turned off is even more of a problem for lithium-metal batteries, which are being developed for the next generation of smaller, lighter electronic devices, far-ranging electric vehicles and other uses. Now scientists at ...


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Controlling chemical catalysts with sculpted light

This work could inform more efficient – and potentially new – forms of catalysis


Like a person breaking up a cat fight, the role of catalysts in a chemical reaction is to hurry up the process - and come out of it intact. And, just as not every house in a neighborhood has someone willing to intervene in such a battle, not every part of a catalyst participates in the reaction. ...


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Predicting the slow death of lithium-ion batteries

In electric cars, the new technology could improve driving range estimates and prolong battery life


Batteries fade as they age, slowly losing power and storage capacity. As in people, aging plays out differently from one battery to another, and it's next to impossible to measure or model all of the interacting mechanisms that contribute to decline. As a result, most of the systems used to ...


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