The physics of collective motion has been well-studied for the last thirty years. Until now, scientists have focused on the study of “fluid” movements, such as those of flocks of… Read More »Team investigates collective actuation of an elastic network of ‘mini-robots’
Scientists have long been concerned with trying to understand how cells move, for example in pursuit of new ways to control the spread of cancer. The field of biology continues… Read More »Turning to the laws of physics to study how cells move
Mention the word “turbulence” and you might conjure up images of bumpy flights, stormy weather, and choppy ocean or river currents. For many, turbulence is a fact of daily life,… Read More »New model describes puffs, slugs and the role of randomness in transitional turbulence
After a relaxing July day at the Jersey Shore in 2021, Jessica Reeder and her two children headed home to Philadelphia. As they crested a bridge into Pennsylvania, they were… Read More »Western wildfire smoke poses health risks from coast to coast
“Asthma is a very widespread common health condition,” notes Yang Liu. He’s an environmental scientist at Emory University in Atlanta, Ga. Up to 8 percent of U.S. children suffer from… Read More »Wildfire smoke seems to pose its biggest health risk to kids