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Hungarian-American MIT inventor Mária Telkes and American architect Eleanor Raymond created, in 1947, the Dover Sun House, the first house powered by solar energy. Wrinkle-free fiber. Wrinkle-free fiber invented by Ruth R. Benerito The invention was said to have "saved the cotton industry".
The Lower Paleolithic period lasted over 3 million years, during which there many human-like species evolved including toward the end of this period, Homo sapiens.The original divergence between humans and chimpanzees occurred 13 (), however interbreeding continued until as recently as 4 Ma, with the first species clearly belonging to the human (and not chimpanzee) lineage being ...
The presence of women in science spans the earliest times of the history of science wherein they have made significant contributions. Historians with an interest in gender and science have researched the scientific endeavors and accomplishments of women, the barriers they have faced, and the strategies implemented to have their work peer ...
By era. v. t. e. China has been the source of many innovations, scientific discoveries and inventions. [1] This includes the Four Great Inventions: papermaking, the compass, gunpowder, and early printing (both woodblock and movable type).
This is a timeline of women in science, spanning from ancient history up to the 21st century. While the timeline primarily focuses on women involved with natural sciences such as astronomy, biology, chemistry and physics, it also includes women from the social sciences (e.g. sociology, psychology) and the formal sciences (e.g. mathematics ...
2000 BC: Multiplication tables in a base-60, rather than base-10 (decimal), system from Babylon. [7] 2000 BC: Primitive positional notation for numerals is seen in the Babylonian cuneiform numerals. [8] However, the lack of clarity around the notion of zero made their system highly ambiguous (e.g. 13 200 would be written the same as 132). [9]
The snake was estimated to be between 10.9 and 15.2 metres in length and lived 47 million years ago. The fossilised vertebrae of Vasuki indicus were discovered in a lignite mine in Gujarat. It was likely a slow moving predator who killed its prey through constriction. [277]
On April 4, 1994, the Bell Labs team filed U.S. patent #5,457,709 that was issued on October 10, 1995. [15] 1995 Bose–Einstein condensate. A Bose–Einstein condensate (BEC) is a state of matter of bosons confined in an external potential and cooled to temperatures very near to absolute zero (0 K or −273.15 °C or −459.67 °F).