News & Events


Bees "Surf" Atop Water


Chris Roh, Research Engineer, working with Professor Morteza Gharib, discovered a unique way that bees navigate the interface between water and air. When a bee lands on water, the water sticks to its wings, robbing it of the ability to fly. However, that stickiness allows the bee to drag water, creating waves that propel it forward."I was very excited to see this behavior and so I brought the honeybee back to the lab to take a look at it more closely," Roh says. [Caltech release]

Tags: research highlights GALCIT Morteza Gharib Chris Roh

Dragonfly Larvae Inspire New Designs for Prosthetic Heart Valves


Professor Mory Gharib and postdoctoral researcher Chris Roh (MS '13, PhD '17) have studied the design and control of the jets that dragonfly larvae use to propel themselves to re-design health values. "The current heart valve design is a one-size-fits-all, where no patient-specific design is considered, and this causes many post-transplant complications," Dr. Roh says. "We believe that an intentionally off-centered opening of the heart valve to more closely match the patient's original blood flow will be an important design parameter that can be adjusted based on each patient's heart morphology." [Caltech story]

Tags: research highlights GALCIT MedE Morteza Gharib Chris Roh postdocs

Chris Roh Receives 2017 Richard B. Chapman Memorial Award


Chris Roh a graduate student working with Professor Morteza Gharib, is a recipient of the 2017 Richard B. Chapman Memorial Award. His doctorate research combined his childhood love for insect and his newly found passion in fluid mechanics, investigating hydrodynamics of dragonfly larvae’s jetting and honeybees’ surfing.. The Richard B. Chapman Memorial Award is given to an EAS graduate student in hydrodynamics who has distinguished himself or herself in research.

Tags: honors GALCIT Morteza Gharib Richard B. Chapman Memorial Award Chris Roh