Sunday, February 26, 2012
I came across this brilliant collection of math problems in a variety of practical settings in the context of space exploration and astronomy. It is a fantastic resource for teachers setting up realistic math problems. The site is called Space Math @ NASA. There is even a page with the problems sorted by NASA missions […]
Sunday, February 13, 2011
Gautham of Poornaprajna College asks, what is the definition of time in 4dimensional space? Typically, when people speak of the 4th dimension, they are talking of a spatial dimension. Any point in the 3D space we are used to can be represented by 3 coordinates, say (x,y,z), with unit vectors all perpendicular to each other. […]
Filed in Q&A, science

Also tagged 3D, 4D, distance, Euclidean distance, geometry, imaginary, interval, Minkowski, physics, relativity, spacetime
