A hovercraft, also known as an air-cushion vehicle or ACV, is an amphibious craft capable of travelling over land, water, mud, ice, and other surfaces.
invented by Wilson Greatbatch
A cardiac pacemaker (or artificial pacemaker, so as not to be confused with the…
invented by John Ambrose Fleming
A diode is a two-terminal electronic component that conducts current primarily…
invented by John Ambrose Fleming
The Fleming valve, also called the Fleming oscillation valve, was a thermionic…
invented by United States of America
A thermonuclear weapon, fusion weapon or hydrogen bomb (H bomb) is a…
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