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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.
From flying cars to ancient earthquake detectors to automated doors, it turns out the world has been filled with futuristic inventions far longer than we realized. #1 An Ancient Earthquake Detector
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.
The extent of the Indus Valley Civilisation. This list of inventions and discoveries of the Indus Valley Civilisation lists the technological and civilisational achievements of the Indus Valley Civilisation, an ancient civilisation which flourished in the Bronze Age around the general region of the Indus River and Ghaggar-Hakra River in what is today Pakistan and northwestern India.
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 ...
Merton contrasted a "multiple" with a "singleton"—a discovery that has been made uniquely by a single scientist or group of scientists working together. [6] The distinction may blur as science becomes increasingly collaborative. [7] A distinction is drawn between a discovery and an invention, as discussed for example by Bolesław Prus. [8]