scale-free vertical-tracking microscope
swimming rheometer
low-cost flow-through microscope
Music Box Diagnostics
alternative plant-based menstrual pad
electricity-free thin smear maker
hand-powered centrifuge
low-cost open-source ICU ventilator
pulse-dose oxygen-saving device
<$5 molecular diagnostic
N95 filter materials from cotton candy machine
configurable low-cost microscope
digital malaria and Tb diagnostics platform
20-cent paper centrifuge