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inventions around the word - Coggle Diagram
inventions around the word
Wheel
Wheels were invented circa 3,500 B.C., and rapidly spread across the Eastern Hemisphere. And the inventor was Sumerian people
starting resistance
revolving resistance
smooth running performance
Penicillin
It's one of the most famous discovery stories in history. In 1928, the Scottish scientist Alexander Fleming noticed a bacteria-filled Petri dish in his laboratory with its lid accidentally ajar. The sample had become contaminated with a mold, and everywhere the mold was, the bacteria was dead.
It is made up of an enclosed dipeptide formed by the condensation
the formations of β-lactam and thiazolidinic rings
four-membered β-lactam ring
Printing press
A 19th-century engraving of Gutenberg printing the first page of the Bible and the inventos was Johannes Gutenberg
ranging from 5 to 7 feet (1.5 to 2.1 m) long
3 feet (0.91 m) wide, and 7 feet (2.1 m) tall.
a standing mechanism
compass
Ancient mariners used the stars for navigation, but this method didn’t work during the day or on cloudy nights, making it dangerous to travel far from land. China may have been the first civilization to develop a magnetic compass
have two arrows
shows the cardinal directions
consists of a magnetized needle
