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Agricultural Decarbonization Gets New Emphasis At ORNL prnewswire.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from prnewswire.com Daily Mail and Mail on Sunday newspapers.
Story tips: Powered by nature, get on the bus, accelerating methane and more eurekalert.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from eurekalert.org Daily Mail and Mail on Sunday newspapers.
E-Mail IMAGE: ORNL s non-disruptive air leak detector captures air escaping from exterior walls and uses refractive imaging to calculate the leakage flow rate. view more Credit: ORNL, U.S. Dept. of Energy Buildings - The mirage effect A team of researchers at Oak Ridge National Laboratory has developed a method to detect and measure air leaking from a building s walls and roof that is quicker, cheaper and less disruptive to occupants. Current air leak detection options, such as using a blower door and smoke or infrared thermography, are costly and invasive. ORNL s method is conducted from outside, using an imaging technique to visualize the flow of air leaks and calculate the volumetric flow of air based on the refraction effects imaged by cameras. ....
E-Mail IMAGE: The built environment, from roads to sidewalks to parking lots, affects the water cycle and climate. Scientists at ORNL have explored the use of statistical relationships for evaluating representations of. view more Credit: Andy Sproles/ORNL, U.S. Dept. of Energy Modeling - Urban climate impacts Researchers at Oak Ridge National Laboratory have identified a statistical relationship between the growth of cities and the spread of paved surfaces like roads and sidewalks. These impervious surfaces impede the flow of water into the ground, affecting the water cycle and, by extension, the climate. We ve shown that there is a specific mathematical shape to the relationship between a city s population and the total paved area, ORNL s Christa Brelsford said. Using that, we examined climate model predictions and determined they correctly represent some important attributes we know about cities. ....
E-Mail IMAGE: Transition metals stitched into graphene with an electron beam form promising quantum building blocks. view more Credit: Ondrej Dyck, Andrew Lupini and Jacob Swett/ORNL, U.S. Dept. of Energy Materials - Quantum building blocks Oak Ridge National Laboratory scientists demonstrated that an electron microscope can be used to selectively remove carbon atoms from graphene s atomically thin lattice and stitch transition-metal dopant atoms in their place. This method could open the door to making quantum building blocks that can interact to produce exotic electronic, magnetic and topological properties. This is the first precision positioning of transition-metal dopants in graphene. The produced graphene-dopant complexes can exhibit atomic-like behavior, inducing desired properties in the graphene. ....