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2 days ago · 1st century AD: The first use of respiratory protective equipment is documented by Pliny the Elder (c. 23 AD –79) using animal bladder skins to protect workers in Roman mines from red lead oxide dust. 1st century AD: Vending machines invented by Hero of Alexandria. By the 1st century AD: The double-entry bookkeeping system in the Roman Empire.
- Fritz Strassmann
Friedrich Wilhelm Strassmann (German: [fʁɪt͡s ˈʃtʁasˌman] ⓘ;...
- Timeline of Electrical and Electronic Engineering
Year Event 600 BC: Ancient Greek philosopher Thales of...
- Timeline of Computing
Timeline of computing presents events in the history of...
- Fritz Strassmann
2 days ago · In East Asia towards the end of the second millennium BC, the Sino-Tibetan family was represented by Old Chinese . There are also a number of undeciphered Bronze Age records: Proto-Elamite script and Linear Elamite. the Indus script (speculated to record a "Harappan language")
2 days ago · The vertical style remained for monumental purposes on stone stelas until the middle of the 2nd millennium. Written Sumerian was used as a scribal language until the first century AD. The spoken language died out between about 2100 and 1700 BC. Sumero-Akkadian cuneiform
- left-to-right
- (Proto-writing)Cuneiform
- Cuneiform
1 day ago · During the 2nd millennium, the use of true bronze greatly increased. The tin deposits at Cornwall, England, were much used and were responsible for a considerable part of the large production of bronze objects during that time. The age was also marked by increased specialization and the invention of the wheel and the ox-drawn plow.
- The Editors of Encyclopaedia Britannica
6 days ago · This multi-volume print encyclopedia covers the 2nd millennium BC to the formation of modern Europe (AD 600 to 800). Very scholarly, with good bibliographies. Cambridge Histories Online.
- Malia Willey
- 2012
5 days ago · Ruins of ancient stone huts on Delos date back to the 3rd millennium BC, and from 900 BC to 100 AD the island served as a religious center. Eventually, it became a site of religious pilgrimage for Ionians after they underwent a number of “purifications” at the command of the city-state of Athens around the 6th century BC. 5.
3 days ago · Our knowledge of the ASA [“ancient south Arabian”] script and the languages spoken and written by the civilizations that developed in the southwest corner of the Arabian Peninsula as of the end of the second millennium BCE has expanded enormously in recent decades. …