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Doppler checks inside living cells to tell friend from foe

Researchers are using Doppler to look inside living cells, introducing a method to detect pathogens and treat infections in ways that scientists never have before. Doppler radar improves lives by peeking inside air masses to predict the weather. In their new study, researchers used Doppler to sneak a peek inside cells and track their metabolic activity in real time, without having to wait for cultures to grow. “This is a quick way to tell friend from foe.” Using this ability, the researchers can test microbes found in food, water, and other environments to see if they are pathogens, or help them identify the right medicine to treat antibiotic-resistant bacteria.

Creating a new type of computing that s naturally probabilistic

Creating a new type of computing that’s ‘naturally probabilistic’ Note to journalists: A high-resolution illustration conveying a probabilistic computer is available via Google Drive. For copies of the research papers, please contact Kayla Wiles, Purdue News Service, at wiles5@purdue.edu or 765-494-2432. Journalists visiting campus should follow visitor health guidelines. Purdue University researchers are building a probabilistic computer that could bridge the gap between classical and quantum computing to more efficiently solve problems in areas such as drug research, encryption and cybersecurity, financial services, data analysis and supply chain logistics. (Illustration by Gwen Keraval) WEST LAFAYETTE, Ind. “You see, nature is unpredictable. How do you expect to predict it with a computer?” said American physicist Richard Feynman before computer scientists at a conference in 1981.

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