Researchers from the University of Pennsylvania have demonstrated a new mechanism for extracting energy from light, a finding that could improve technologies for generating electricity from solar energy and lead to more efficient optoelectronic devices used in communications.
Associate Professor of Psychology Robert Kurzban studies how the mind has adapted over time to the challenges of the social world, such as how to make decisions about cooperation, morality and punishment. Kurzban will talk about one trait we associate with these challenges: willpower.
For hundreds of nights during the next five years, the world’s most powerful digital camera will turn skyward, helping a team of physicists and astronomers from around the globe answer fundamental questions about our universe.
Electronic devices with touchscreens are ubiquitous, and one key piece of technology makes them possible: transparent conductors.
The human body has hundreds of different cell types, all with the same basic DNA, and all of which can ultimately be traced back to identical stem cells.
President Amy Gutmann is cited as the chair of the Presidential Commission for the Study of Bioethical Issues.
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, even though it wasn’t the simplest pattern?