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New model could help police departments reduce excessive force incidents

New model could help police departments reduce excessive force incidents

Criminology professor Greg Ridgeway has developed a model that estimates an officer’s likelihood of using a higher level of force than peers in similar situations—an improvement on existing early-intervention systems that don’t account for differences in time and location.

3 min. read

A design fall studio brings interdisciplinary thinking to Philly’s historic and commercial core
Philadelphia’s Market Street east of City Hall in 1889.

Philadelphia’s Market Street east of City Hall in 1889.

(Image: John Gibb, Courtesy of the Free Library of Philadelphia, Print and Picture Collection)

A design fall studio brings interdisciplinary thinking to Philly’s historic and commercial core

Studio Plus design students at Weitzman focused on working through the future of Philadelphia’s Market East neighborhood, and explored issues of historic preservation, urban planning, and housing.

2 min. read

Physics of foam strangely resembles AI training
Six separate piles of foam.

Image: Dowprasook Deenu via Getty Images

Physics of foam strangely resembles AI training

Research by Penn Engineers reveals that as foams flow ceaselessly inside while holding their external shape, and this internal motion resembles the process of deep learning, the method typically used to train modern AI systems.

Ian Scheffler

Awards and accolades for Penn faculty
Ben Franklin statue in front of Penn’s College Hall.

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Awards and accolades for Penn faculty

A roundup of the latest appointments and awards for various faculty members in Penn Engineering, Penn Nursing, and Penn Dental Medicine.

2 min. read

Preserving the past
Brian Whetstone.

Assistant professor of historic preservation Brian Whetstone.

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Preserving the past

Brian Whetstone, assistant professor of historic preservation at the Weitzman School, explores the intersections between housing and labor equity at museums, historic sites, and preservation organizations.

From the Weitzman School of Design

2 min. read

Why are icy surfaces slippery?
An icy bench in a city.

Despite the commonality of water and ice, says Penn physicist Robert Carpick, their physical properties are remarkably unique.

(Image: mustafahacalaki via Getty Images)

Why are icy surfaces slippery?

Winter Storm Fern brought icy and snowy conditions to the Northeast and other parts of the country over the weekend. Penn Today asks physicist Robert Carpick about the unique properties of ice, the science of curling, and how close we are to ‘nonslip’ ice. 

5 min. read

Planning ahead in an age of longevity
An elderly person holding a baby while blowing out candles on a birthday cake.

Image: Daniel Balakov via Getty Images

Planning ahead in an age of longevity

Tamara J. Cadet of the School of Social Policy & Practice discusses strategies for preparing—financially and physically— for an extended lifespan.

3 min. read