Before the widespread adoption of vector calculus, what fundamental geometrical operation were quaternions instrumental in understanding?
Answer
Rotations in three-dimensional space
Quaternions are four-dimensional number systems that were instrumental in understanding rotations in three-dimensional space before the widespread adoption of vector calculus.

Related Questions
What terms is Herschel credited with introducing for describing images in early photography?Elliptical functions, which Herschel engaged with, are described as generalizations of which other type of function?Before the widespread adoption of vector calculus, what fundamental geometrical operation were quaternions instrumental in understanding?On what basis does the text state Herschel's fame rests largely?What primary role does the text suggest Herschel played regarding abstract mathematical concepts and real-world science?What was the direct consequence of Herschel providing standardized language for photography?Quaternions are described as an extension of which mathematical concept?Which monumental observational task did John Herschel complete that was started by his father?What characteristic does Herschel's engagement with advanced mathematics, such as elliptical functions, demonstrate?Where are John Herschel's achievements, commemorating a life dedicated to understanding the natural world, recorded?What defined Herschel's historical significance regarding his scientific approach?