麻豆传媒

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Producing high-performance titanium alloy parts 鈥� whether for spacecraft, submarines or medical devices 鈥� has long been a slow, resource-intensive process. Even with advanced metal 3D-printing techniques, finding the right manufacturing conditions has required extensive testing and fine-tuning. What if these parts could be built more quickly, stronger and with near-perfect precision? A team comprising experts from the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, and the Johns Hopkins Whiting School of Engineering is leveraging artificial intelligence to make that a reality.

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APL has contributed to a new study in The Lancet Public Health that found public-private partnerships to develop, produce and distribute COVID-19 diagnostic tests saved approximately 1.4 million lives and prevented an estimated 7 million patient hospitalizations in the U.S. during the pandemic.

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By leveraging cutting-edge additive manufacturing techniques and shape memory alloys, researchers at the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, have created an antenna that can change its shape based on its temperature. This technology 鈥� described in a recent online publication in ACS Applied Engineering Materials and which will be featured on the cover of an upcoming print issue 鈥� has transformative potential in a wide range of military, scientific and commercial applications.

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In the months that followed NASA鈥檚 Double Asteroid Redirection Test (DART) mission, which sent a spacecraft to intentionally collide with an asteroid moonlet, the science team verified that kinetic impact was a viable deflection technique, proving one effective method of preventing future asteroid strikes on Earth.Since then, researchers have continued studying data collected from the successful experiment, focusing specifically on surface features of the binary asteroid system, composed of moonlet Dimorphos and parent asteroid Didymos.

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Johns Hopkins APL Director Ralph Semmel to Conclude 鈥楨xtraordinary and Transformative鈥� Tenure in 2025

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Johns Hopkins Researchers Develop AI-Enhanced Navigation System for Visually Impaired

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When the Danish bulk carrier Nordic Orion set sail on Sept. 17, 2013, from Vancouver, British Columbia, on a journey to Finland, it set a course for a groundbreaking journey. Rather than turn south to pass through the Panama Canal, it headed north to traverse the Northwest Passage, a winding sea route through the archipelago off Canada鈥檚 north and east coasts.

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Off the southeastern tip of Greenland in mid-June, Hayley DeHart, a genomics and marine scientist at APL, disembarked Lindblad Expedition鈥檚 National Geographic Endurance 鈥� a 407-foot (124-meter) ice-cutting cruise ship 鈥� and stepped into a small Zodiac inflatable motorboat.

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In February 2016, 215 soldiers from the U.S. and Canadian militaries conducted a 10-day exercise called Arctic Ram. Their objective was to demonstrate they could rapidly respond to an emergency in the Arctic. In this case, they simulated retrieving a military satellite that crash-landed north of the small town of Resolute on Cornwallis Island in Nunavut, Canada.

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Off the north coast of Alaska in the Beaufort Sea, the Sun won鈥檛 make its appearance until roughly nine in the morning, its edge arcing over the horizon where a spill of puffy clouds briefly hides its emerging face.

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Researchers from the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, have established new, scalable methods of developing battery- and solar-powered fibers, making it theoretically possible for electrical energy to be harvested from, and stored in, the clothing people wear. These fibers could power high-performance wearable electronics that breathe, stretch and wash just like conventional textiles.

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An innovative new capability being developed by the Johns Hopkins Applied Physics Laboratory (APL) that combines the abilities of human medics with virtual and robotic assistants has been recognized with an honorable mention in the Rapid Response category of Fast Company鈥檚 2024 World Changing Ideas Awards.

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The Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland 鈥� in cooperation with the U.S. Missile Defense Agency (MDA) and the U.S. Navy 鈥� played a critical role in the successful execution of Flight Test Other-23 (FTX-23).

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Michael Connelly, the chief strategist for classified policies and programs at the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, has been elected vice chair of the FFRDC/UARC Security Council.

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In many parts of America, we take food for granted. With full grocery store shelves and copious options available at the push of a button on food delivery apps, we seldom think about the complex but critical food and agricultural systems behind this abundance.

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Fueled by increasing temperatures and droughts, severe wildfires are on the rise around the world 鈥� as are the smoke-borne contaminants that harm the environment and human health. In 2023, Canada recorded its worst wildfire season ever, with fires releasing more than 290 million tons of carbon into the atmosphere. California also experienced record-setting fire seasons in 2020 and 2021.

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For a third consecutive year, the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, has been named a winner of Glassdoor鈥檚 Employees鈥� Choice Award, and earned a spot as one of the Best Places to Work for 2024.

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Representatives from the federal government, academia and private industry convened at the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, for a tabletop exercise to assess the nation鈥檚 preparedness for security threats unique to the bioeconomy. In May 2023, several dozen experts in public health, policy, cyber, physical sciences and law came together to identify vulnerabilities, develop mitigation recommendations and establish a greater understanding of the extent of the threats to key biological capabilities.

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Researchers at Johns Hopkins APL made a breakthrough in developing a smart material that changes its behavior based on temperature.

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NASA's Lucy mission discovers a binary asteroid, Dinkinesh, with a small satellite