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  • The research team awarded a 1 million, two-year grant to help revolutionize metal additive manufacturing includes, from left to right Tao Sun, associate professor of mechanical engineering at Northwestern University and Penn State faculty members Christop

    Making Defects 'Sing' in 3D-Printed Metal Parts

    Additive manufacturing, or 3D printing, has drastically improved the uniformity and speed of metal parts manufacturing, but the printed parts are often plagued with defects, such as pores, that limit their performance. The process also requires an...
  • Sadhvikas Addamane, a materials scientist at Sandia National Laboratories, gazes into a viewport of a molecular beam epitaxy reactor, highly specialized equipment Sandia will use to build experimental photonic cooling plates designed at startup Maxwell La

    A Surprise Contender for Cooling Computers: Lasers

    Sandia National Laboratories is helping a tech company test a bright new idea for cooling computers. Minnesota-based startup Maxwell Labs has entered into a cooperative research and development agreement with Sandia and the University of...
  • Laser speckle imaging with principal component analysis Credit Yu Surkov, P Timoshina , I Serebryakova , D Stavtcev , I Kozlov , G Piavchenko , I Meglinski , A Konovalov, D Telyshev , S Kuznetcov , E Genina , V Tuchin

    Breaking Limits: A Technology for Deep Vascular Visualization

    Researchers at Saratov State University and their colleagues have developed an innovative approach to improving the visualization of subsurface blood vessels using laser speckle contrast imaging (LSCI) enhanced with principal component analysis...
  • Imec Pioneers Photonic Code-Division Multiplexing FMCW 144GHz Distributed Radar
  • Schematic of chiral terahertz generation and control A femtosecond laser interacts with a patterned spintronic emitter, producing elliptically or circularly polarized terahertz waves Rotating the emitter adjusts the polarization, while built-in electric f
  • Differences between sunny days and cloudy days Left on sunny days, the sun shines directly and mainly reach the top leaves Right on cloudy days, sunlight is scattered in all directions, which allows lower leaves to receive more light Recognizing this diff

    The Changing Sky That Plants See

    Researchers from Kyushu University have developed a new numerical model to explain the behavior of sunlight under various weather conditions. Unlike previous methods that focused on how plants perceive sunlight as a pure source of energy, this...
  • Schematic illustration of probing photo-generated surface charge carriers using ultrafast scanning electron microscopy Credit Lijie Wang, Wentao Wu et al
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