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Global Tech Updates
Baker's yeast helps store green hydrogen in alcohols, iron releases it
Hydrogen gas (H₂) is widely regarded as a promising clean energy source. By weight, it stores nearly three times more energy than gasoline, and its use does not directly release carbon dioxide (CO₂). Yet most H₂ is still produced from…
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New drone-compatible method detects metal corrosion beneath paint without heating
Merchant ships, coastal infrastructure and maritime facilities are often built with iron and steel, which can corrode over time despite their strength, eventually to the point of failure. With lives and goods on the line, monitoring is…
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Vertical microrods boost electricity generation from evaporation by accelerating ion flow
Evaporation, the process by which water becomes vapor and disperses into the environment, draws heat from its surroundings. This heat, also known as atmospheric thermal energy, is abundant but diffuse, making it difficult to convert into…
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Hybrid process targets nuclear manufacturing bottlenecks
In partnership with A.J. Tuck Company, scientists at the U.S. Department of Energy's (DOE) Oak Ridge National Laboratory (ORNL) have developed a new manufacturing approach that could simplify production of critical components for…
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Scalable semitransparent organic PV modules could turn windows into power generators
Organic solar modules score points for their flexibility, transparency, and a particularly good environmental footprint. Wavelength-dependent transparency, in particular, is a major strength of organic photovoltaics. Researchers at the…
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New low-resistance contacts pave way for improved gallium nitride semiconductor devices
Semiconductor devices such as LEDs and transistors generally consist of two halves: an n-type, which carries negative charge via electrons, and a p-type, which moves positive charge carriers called holes that are essentially electron…
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Purple fabric beats the heat, reflecting 87.6% of sunlight and cooling simulated skin
A new purple cooling fabric developed by Chinese and Australian researchers could help people stay cooler during scorching summer days without having to resort to wearing white.
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More phones may soon let us prove photos are real—but will it solve the AI fake image crisis?
"Pics or it didn't happen" was something people used to say online when they wanted to verify a claim. Technology has changed this.
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Better metals, with help from a small square with billions of holes
Despite significant advances in technology, knowing the atomic arrangement of metals in their microstructure—which defines their strength, deformability and other properties—is still tricky. In a new study, Yale researchers show that a…
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A silicon carbide transistor that operates at 600°C
For more than two decades, silicon carbide (SiC) has been promoted as the key to developing extreme-environment electronics. Yet despite its promise, the field has remained stuck at the stage of basic research, failing to result in the…
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