Small samples in the centrifuge will spin at varying rates to create synthetic gravity, like the gravity of Mars or the gravity of the moon, and measure how the specimens respond within the centrifuge.
-- John L. Phillips
   
John L. Phillips   Name:
John L. Phillips
Type:
Astronaut
Nationality:
American
Birth:
April 15, 1951
https://www.nutquote.com/quote/John_L._Phillips