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Selected News:


05/2023: Brillouin Medal. Prof. Ruan, together with Prof. Tianli Feng from the University of Utah, have received the 2023 Brillouin Medal from the Interntional Phononics Society, for "their formulation of four-phonon scattering theory and associated computational studies". The medal is awarded biennially (every two years) to a specific seminal contribution in the field of phononics. We are honored and humbled to receive this amazing recognition named after Leon Brillouin, a pioneer in quantum mechanics, solid state physics, and phononics. Read more here.  


03/2023: SXSW Innovation Award in Sustainability. Our thin and lightweight radiative cooling paint technology won the SXSW 2023 Innovation Award for Sustainability! Read more here.  


10/2022: News Media Coverage. Our invention of thin and lightweight radiative cooling paint has been covered by numrous news reports globally, including US News & World ReportIndependentSmithsonianFast CompanyPopular MechanicsC&ENMaterials TodayGIZMODO, and many more! 


08/2022: Three former PhD students joined faculty. Former PhD student Dr. Jingjing Shi joined the Department of Mechanical and Aerospace Engineering at the University of Florida as an assistant professor, Dr. Xiangyu Li joined the Department of Mechanical Engineering at the University of Tennessee as an assistant professor, and Dr. Zuyuan Wang joined the University of Electronic Science and Technology of China as a professor. Congratulations! In total, 9 PhD graduates and 5 postdoctoral alumni of our group have joined faculty.


04/2021: News Media Coverage. Our invention of ultra-white paints for below-ambient radiative cooling has received tremendous global attention and is the most publicized research story from Purdue in 2021! It earned the Guinness World Record of the "World's Whitest Paint" and generated more than 4 billion reads globally via coverage by more than 2,000 news reports, including Purdue News, BBC News, BBC News (TV)CNN, Washington Post, Wall Street Journal, The Guardian, USA TODAYScience Magazine, New Scientist, Fast Company, PBS News Hour, abcNBC LX, CBS42, and many more in different countries and languages. It was even featured in Jimmy Fallon's "The Tonight Show", Stephen Colbert's "The Late Show", and the "Saturday Night Live". See the compiled image below (not exhaustive on the news outlets). Read our journal paper published in Cell Reports Physical Science (a new sister journal to Cell) and ACS Applied Materials & Interfaces. We are currently working with partners towards commercializing this exciting technology.  








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