Physics

By river, ocean, or wind, rocks round the same way

Observations from Puerto Rican river rocks, New Mexican sand grains, Italian ocean pebbles, and the lab lent Douglas Jerolmack and his team insight into a general geophysical process.

Katherine Unger Baillie

Remembering Hawking: Q&A with Vijay Balasubramanian

Stephen Hawking, one of history’s most influential physicists, spent his life grappling with mysteries of the universe. Vijay Balasubramanian of the School of Arts and Sciences shared some of his memories of Hawking and discussed the impact the Briton had on scientists and nonscientists alike.

Ali Sundermier

Creating atomic water filters

A vast majority of the earth’s water is salty, making it unfit for people to drink. Researchers are working on a technology that could potentially offer a new method of desalinating water that would be both fast and scalable.

Ali Sundermier



In the News


Live Science

Scientists propose ‘missing’ law for the evolution of everything in the universe

Stuart Kauffman of the Perelman School of Medicine comments on a study that proposed a missing scientific law identifying “universal concepts of selection” that drive evolution.

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The Wall Street Journal

Russia aims to restore prestige in race to moon’s south pole

Benjamin L. Schmitt of the School of Arts & Sciences and the Weitzman School of Design says that sentiment in the scientific and astronaut communities has begun to shift toward a future in which NASA and Roscosmos are no longer close partners.

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Philadelphia Inquirer

Nine women who changed science are featured in a new Philly exhibit

A new exhibit at the American Philosophical Society in Philadelphia celebrates the late Mildred Cohn, a biochemist at the Perelman School of Medicine who fought to reduce discrimination in academia.

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Inc.

Neuroscience explains why Bill Gates’ weird reading trick is so effective

A study by Penn researchers working in physics, neuroscience, and bioengineering found that people instinctively seek patterns and similarities in the data they absorb.

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The Guardian

UK joins international effort to uncover first moments of the universe

In a statement for the Simons Observatory, Mark Devlin of the School of Arts & Sciences says that new telescopes and researchers from the UK will make a significant addition to their efforts to examine the origins of the universe.

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Physics World

Liquid crystals bring robotics to the microscale

In collaboration with the University of Ljubljana, Kathleen Stebe of the School of Engineering and Applied Science has built a swimming microrobot that paddles by rotating liquid crystal molecules.

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