News: Complex Materials and Processing

When bacteria spread through soil, tissues and other environments crammed with obstacles, keeping on the straight and narrow path leads to dead ends. Instead, bacteria move through open spaces until they get trapped, then reorient to hop through an opening to the next hole. A new model developed by Princeton researchers explains why this hop-and-...
Princeton researchers have invented bubble casting, a new way to make soft robots using "fancy balloons" that change shape in predictable ways when inflated with air.
Princeton researchers have solved a 54-year-old puzzle about why certain fluids strangely slow down under pressure when flowing through porous materials, such as soils and sedimentary rocks. The findings could help improve many important processes in energy, environmental, and industrial sectors from oil recovery to groundwater remediation.

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