How Things Work
Machines, the body, and science.
E



Electric bicycle
BBrainstem
Parachute
Magnetic resonance imaging
FFire hydrant
PPost-it Note
TTantalum
Search engine
SSodium
GGlasses
CContainer ship
FFirewall (computing)
SSwitch
CCrane (machine)
BBit
Global Positioning System
MMitochondrion
EEuropium
DDiving bell
DDiesel locomotive
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A fresh set appears here every day.