Cryptocurrency is a hot topic among investors this past year, but its environmental impact and role in ransomware is cause for serious discussion about the future of this digital asset. Learn more about cryptocurrency and how new technologies can make mining it more energy efficient.
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Printed electronics is an emerging branch of electronics manufacturing that offers a way to economically and conveniently produce electronic circuits and devices on flexible substrates. Researchers from Aarhus University in Denmark reviewed processing techniques, ink materials, substrates, and sintering methods for printed electronics in their recent paper.
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The 12th annual Electronic Materials and Applications Conference (EMA 2021) took place virtually on Jan. 19–22, 2021. A record number of registrants tuned in for a week of presentations, networking, panels, and awards.
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Graphene nanoribbons are a family of carbon allotropes that exhibit semiconducting properties promising for electronic applications. However, the conventional bottom-up synthesis method for graphene nanoribbons is a costly and low-yield process. Researchers led by the Moscow Institute of Physics and Technology developed an alternative method that is higher yield and lower cost.
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Diamonds have many desirable properties for application in electronic devices, but their rigid crystalline structure and brittle nature make it difficult to use diamonds for such a purpose. An international team of researchers led by City University of Hong Kong revealed in 2018 that diamonds are bendable on the nanoscale, and a follow-up paper published by them this month expands on that finding.
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Social distancing is at the top of everyone’s minds as we head into this holiday season. A new audio technology by Israeli company Noveto Systems takes this concept to heart by using “sound beaming” to send sound directly to your ears without the use of headphones.
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Having enough outlet space on campus is a perennial problem for college students. A new Kickstarter campaign looks to fund creation of stackable gallium nitride wall chargers, which could expand USB charging capabilities while saving space.
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When restoring old technology, sometimes substituting modern alternatives for original parts can improve the classic design. Researchers at Northwestern University and Delft University of Technology in the Netherlands created a clone of the 8-bit Nintendo Game Boy using an energy-aware gaming platform.
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In 2017, an international team of researchers led by the University of Cambridge found a certain alcohol-based solvent allowed uniform deposition of inks containing 2D materials—a result important to advancing printed electronics. Now, the team has proposed a mechanism to explain their finding.
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In 2017, a report on global e-waste predicted the amount of e-waste would increase to 52.2 million metric tonnes by 2021—but we already passed 53 million metric tonnes in 2019 alone, according to a new report released this month. Learn more about why e-waste amounts are surging, why current recycling systems are not keeping up, and what can be done to combat the problem.
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