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Researchers observe hidden deformations in complex light fields

Everyday experience tells us that light reflected from a perfectly flat mirror will give us the correct image without any deformation. Interestingly, this is not the case when the light field itself is structured in a complex way. Tiny deformations appear. These have now been observed in the laboratory. The results confirm the prediction of

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Siloxane nanoparticles unlock precise organ targeting for mRNA therapy

Engineers have discovered a simple and inexpensive means of directing lipid nanoparticles (LNPs), the revolutionary molecules that delivered the COVID-19 vaccines, to target specific tissues, presaging a new era in personalized medicine and gene therapy. The key is making small changes to the chemical structure of LNPs, including the incorporation of siloxane, a chemical group

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Stronger together: miniature robots in convoy for endoscopic surgery

Miniature robots on the millimeter scale often lack the strength to transport instruments for endoscopic microsurgery through the body. Scientists are now combining several millimeter-sized TrainBots into one unit and equipping them with improved ‘feet’. For the first time, the team was able to perform an electric surgical procedure on a bile duct obstruction experimentally

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Scientists discover planet orbiting closest single star to our Sun

Astronomers have discovered an exoplanet orbiting Barnard’s star, the closest single star to our Sun. On this newly discovered exoplanet, which has at least half the mass of Venus, a year lasts just over three Earth days. The team’s observations also hint at the existence of three more exoplanet candidates, in various orbits around the

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Feet first: AI reveals how infants connect with their world

Researchers explored how infants act purposefully by attaching a colorful mobile to their foot and tracking movements with a Vicon 3D motion capture system. The study tested AI’s ability to detect changes in infant movement patterns. Findings showed that AI techniques, especially the deep learning model 2D-CapsNet, effectively classified different stages of behavior. Notably, foot

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