A Yagi–Uda antenna or simply Yagi antenna, is a directional antenna consisting of two or more parallel resonant antenna elements in an end-fire array; these elements are most often metal rods acting as half-wave dipoles.
invented by Tim Berners-Lee
The World Wide Web (WWW), commonly known as the Web, is an information system…
invented by MITS
Altair 8800 is the spark that ignited the microcomputer revolution.
invented by Alastair Pilkington
Float glass is a sheet of glass made by floating molten glass on a bed of…
invented by United States of America
A thermonuclear weapon, fusion weapon or hydrogen bomb (H bomb) is a…
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