A flexible photodetector using asymmetric 2D heterostructures switches spectral response by gate voltage, enabling filter-free wavelength control under bending.
Author: admin
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Flexible photodetector selects wavelengths through electrical control
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Burning satellites in the stratosphere: Emerging questions for climate
The sky is getting crowded. In the last few years, the number of satellite launches has increased by an order of magnitude as mega-constellations of internet-powering hardware crowd into low Earth orbit. The pace of both launching and retiring…
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New research enables safe reuse of concrete
Recent research in Sweden and Finland shows how used concrete’s lifespan can be extended another 50 to 100 years when incorporated into new construction. A team from KTH Royal Institute of Technology and Tampere University report they have…
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Men are embracing beauty culture—many of them just refuse to call it that
Just weeks after the premiere of popular gay hockey romance series “Heated Rivalry,” star Hudson Williams’ extensive skincare routine has gone viral. In a now-viral video for The Cut, the 24-year-old walks viewers through his “five-step Korean…
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Is time a fundamental part of reality? A quiet revolution in physics suggests not
Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and we die, in exactly that order. We plan our…
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How AI deepfakes have skirted revenge porn laws
Federal and state governments have outlawed “revenge porn,” the nonconsensual online sharing of sexual images of individuals, often by former partners. Last year, South Carolina became the 50th state to enact such a law. The recent rise of…
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The first headbutting paravian: Bird-like dinosaur likely used thick skull to win over mates
Whether it’s digging up weathered bones from a paleontological site or reexamining forgotten trays in museum and university collections, the study of dinosaurs still throws up something new.
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AI enables a who's who of brown bears in Alaska
A team of scientists from EPFL and Alaska Pacific University has developed an AI program that can recognize individual bears in the wild, despite the substantial changes that occur in their appearance over the summer season. This breakthrough…
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Submarine mountains and long-distance waves stir the deepest parts of the ocean
When most of us look out at the ocean, we see a mostly flat blue surface stretching to the horizon. It’s easy to imagine the sea beneath as calm and largely static—a massive, still abyss far removed from everyday experience.
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