Fig. 1: Ground-based systems for simulating microgravity.
From: The influence of spaceflight and simulated microgravity on bacterial motility and chemotaxis

HARV, STLV, and RWPV images from Synthecon, Houston, TX with permission from Bill Anderson. RPM image reprinted from Wuest et al.139 with no modification under the CC BY 3.0 License (https://creativecommons.org/licenses/by/3.0/).