New chip opens door to AI computing at light speed

University of Pennsylvania engineers have developed a new chip that uses light waves, rather than electricity, to perform the complex math essential to training AI. The chip has the potential to radically accelerate the processing ...

How researchers are helping address group violence in Baltimore

The Baltimore Police Department's Western District has historically had the highest rates of homicides in the city and among the highest in the country. Looking through Baltimore crime data from 2020, Anthony Braga, the Jerry ...

Understanding chronic wasting disease in deer

Chronic wasting disease (CWD) is a transmissible, neurodegenerative disorder in deer that causes inability to eat, stumbling, drooling, and lack of fear of humans, and in all cases is ultimately fatal. "You can have deer ...

Bioengineers on the brink of breaching blood-brain barrier

Imagine the brain as an air traffic control tower, overseeing the crucial and complex operations of the body's "airport." This tower, essential for coordinating the ceaseless flow of neurological signals, is guarded by a ...

A path to achieve a net-zero greenhouse gas economy

Anew report co-authored by 68 scientists from more than a dozen institutions—including the University of Pennsylvania—offers a first-of-its-kind high-resolution assessment of carbon dioxide (CO2) removal (CDR) in the ...

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