Marketers have said for years that Americans give up their data online, on apps and in stores because of the benefits they receive, such as discounts or special offers. But a new national survey from the University of Pennsylvania's ...
Economics & Business
Jun 8, 2015
0
20
RHex is an all-terrain walking robot that could one day climb over rubble in a rescue mission or cross the desert with environmental sensors strapped to its back.
Robotics
Jul 25, 2013
0
0
Dentists rely on composite materials to perform restorative procedures, such as filling cavities. Yet these materials, like tooth enamel, can be vulnerable to the growth of plaque, the sticky biofilm that leads to tooth decay.
Materials Science
Dec 4, 2017
0
379
Research published in the Proceedings of the National Academy of Sciences describes a new type of liquid in thin films, which forms a high-density glass. Results generated in this study, conducted by researchers in Penn's ...
Condensed Matter
Jul 26, 2021
0
1375
When it comes to attitudes and behaviors among members of American political parties, the conventional wisdom is that hate is stronger than love.
Political science
May 20, 2022
4
100
Despite their ubiquity in consumer electronics, rare-earth metals are, as their name suggests, hard to come by. Mining and purifying them is an expensive, labor-intensive and ecologically devastating process.
Materials Science
Jun 18, 2015
1
1062
When University of Pennsylvania nanoscientists created beautiful, tiled patterns with flat nanocrystals, they were left with a mystery: why did some sets of crystals arrange themselves in an alternating, herringbone style, ...
Nanomaterials
Jul 29, 2013
1
0
Rechargeable lithium-ion (Li-ion) batteries are a revolutionary technology, found in everything from cellphones to cars. Their ubiquity and role in breaking dependence on fossil fuels earned a trio of researchers this year's ...
Materials Science
Dec 5, 2019
1
167
While many scientific achievements come from long years of careful planning, once in a while researchers stumble onto something completely unexpected. "At the beginning, we were looking to create a particular effect," says ...
Materials Science
Dec 18, 2019
0
679
Renaissance architects demonstrated their understanding of geometry and physics when they built whispering galleries into their cathedrals. These circular chambers were designed to amplify and direct sound waves so that, ...
Nanomaterials
Jul 22, 2011
1
0
