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In classical mechanics, a kinematic pair is a connection between two physical objects that imposes constraints on their relative movement . German engineer Franz Reuleaux introduced the kinematic pair as a new approach to the study of machines [ 1 ] that provided an advance over the notion of elements consisting of simple machines .
Such base pairing interactions give stability to the L-shaped structure of tRNA. In this region, some base pairs are found to be additionally hydrogen bonded to a third base. Thus, the 23rd residue is simultaneously paired to 9th and 12th residues, together forming a base triple, the smallest member of the class of higher order multiplets.
In physics, the Bardeen–Cooper–Schrieffer (BCS) theory (named after John Bardeen, Leon Cooper, and John Robert Schrieffer) is the first microscopic theory of superconductivity since Heike Kamerlingh Onnes's 1911 discovery.
The Cooper pair state is responsible for superconductivity, as described in the BCS theory developed by John Bardeen, Leon Cooper, and John Schrieffer for which they shared the 1972 Nobel Prize. [2] Although Cooper pairing is a quantum effect, the reason for the pairing can be seen from a simplified classical explanation.
All India Secondary School Examination, commonly known as the class 10th board exam, is a centralized public examination that students in schools affiliated with the Central Board of Secondary Education, primarily in India but also in other Indian-patterned schools affiliated to the CBSE across the world, taken at the end of class 10.
The International Physics Olympiad (IPhO) is an annual physics competition for high school students. It is one of the International Science Olympiads. The first IPhO was held in Warsaw, Poland in 1967. [1] Each national delegation is made up of at most five student competitors plus two leaders, selected on a national level.
The Americans are well on their way to taking home a 10th straight Presidents Cup. Scottie Scheffler and the U.S. Team pulled off a rare opening session sweep on Thursday at Royal Montreal to grab ...
The Physics and Astronomy Classification Scheme (PACS) is a scheme developed in 1970 [1] by the American Institute of Physics (AIP) for classifying scientific literature using a hierarchical set of codes. [2] PACS has been used by over 160 international journals, [1] including the Physical Review series since 1975.