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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.
However, when 2,000 years ago, during the Three Kingdoms period, the Chinese inventor Ma Jun created a chariot with a built-in compass for Emperor Ming-di, it was a real wonder.
During the last year of the 20th century, Apple began adding Wi-Fi slots to all its laptops. ... YouTube is the world's most popular video-sharing site. Developed by PayPal employees Chad Hurley ...
Meanwhile, Greece and its colonies have entered the Roman period in the last few decades of the preceding millennium, and Greek science is negatively impacted by the Fall of the Western Roman Empire and the economic decline that follows. 1st to 4th century: A precursor to long division, known as "galley division" is developed at some point.
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War
At just seven years old, students at the Barbara Morgan Stem Academy are changing the world one invention at a time. Barbara Morgan second graders showcase their latest inventions [Video] Skip to ...
A year later, this method is introduced in the United States. The car radio top model "Mexico" from Becker for the first time to an FM area (in mono) and an automatic tuning. 1954 RCA developed for the first apparatus for recording video signals on magnetic tapes. 22 km magnetic tape are needed per hour.
2008 – 16-year study of stellar orbits around Sagittarius A* provides strong evidence for a supermassive black hole at the centre of the Milky Way galaxy; 2009 – Planck begins observations of cosmic microwave background; 2012 – Higgs boson found by the Compact Muon Solenoid [12] and ATLAS [13] experiments at the Large Hadron Collider