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1380: Madhava of Sangamagrama discovers the most precise estimate of π in the medieval world through his infinite series, a strict inequality with uncertainty 3e-13. 15th century: Parameshvara discovers a formula for the circumradius of a quadrilateral. [114] 1480: Madhava of Sangamagrama found pi and that it was infinite.
This discovery was critical to the formulation of the Watson-Crick Model of DNA structure. Neil Bartlett mixes xenon and platinum hexafluoride leading to the first synthesis of a noble gas compound, xenon hexafluoroplatinate (1962). Robert Burns Woodward announces the total synthesis of Vitamin B-12 by a team he led (1973).
Such discoveries are often a multi-step, multi-person process. Multiple discovery sometimes occurs when multiple research groups discover the same phenomenon at about the same time, and scientific priority is often disputed. The listings below include some of the most significant people and ideas by date of publication or experiment.
The post 19 Of The Most Shocking Lab Discoveries Shared By Forensic Scientists first appeared on Bored Panda. Forensic science may be as fascinating as Hollywood portrays it to be. Read through ...
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The ultimate question is no longer 'Is there life beyond Earth?' but rather 'Will we ever find it?'
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 ...
1021 – Ibn al-Haytham (Alhacen) pioneers the experimental scientific method and experimental physics in his Book of Optics, where he devises the first scientific experiments on optics, including the first use of the camera obscura to prove that light travels in straight lines and the first experimental proof that visual perception is caused ...