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The timeline of historic inventions is a chronological list of particularly significant technological inventions and their inventors, where known. [ a ] The dates in this article make frequent use of the units mya and kya , which refer to millions and thousands of years ago, respectively.
Greek inventions and discoveries are objects, processes or techniques invented, innovated or discovered, partially or entirely, by Greeks. Greek people have made major innovations to mathematics , astronomy , chemistry , engineering , architecture , and medicine .
1983: Kary Mullis invents the polymerase chain reaction, a key discovery in molecular biology; 1986: Karl Müller and Johannes Bednorz: Discovery of High-temperature superconductivity; 1988: Bart van Wees and colleagues at TU Delft and Philips Research discovered the quantized conductance in a two-dimensional electron gas.
Hinge — Ancient remains of stone, marble, wood, and bronze hinges have been found. Some date back to at least Ancient Egypt. [167] Saw — In ancient Egypt, open (unframed) saws made of copper are documented as early as the Early Dynastic Period, circa 3,100–2,686 BC.
Other discoveries of graffiti and shrines have also advanced our understanding of ancient Romans. Back then, kids liked to express themselves by drawing on walls, too. Back then, kids liked to ...
However, discoveries and inventions are inextricably related, in that discoveries lead to inventions, and inventions facilitate discoveries; and since the same phenomenon of multiplicity occurs in relation to both discoveries and inventions, this article lists both multiple discoveries and multiple inventions.
The ancient frames were also lined with dark materials on the inside to reduce harmful glare – similar to how today’s football and baseball players put black strips under their eyes for the ...
China been the source of many innovations, scientific discoveries and inventions. Below is an alphabetical list of inventions and discoveries made by Neolithic cultures of China and those of its prehistorical early Bronze Age before the palatial civilization of the Shang dynasty (c. 1650 – c. 1050 BC).
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