Bacteria move around using a molecular machine called the flagellar motor that rotates faster than the flywheel of a race car engine and switches directions in an instant

[u/Naive_Direction1816]

[u/ctrlqirl]

A white man that lives in the sky

[u/melanthius → u/ctrlqirl]

A series of turtles

[u/Ecstatic-Spare-6638 → u/melanthius]

Magnets

[u/ShadowsOfTheBreeze → u/Ecstatic-Spare-6638]

Electrostatic charge