Amazon expresses sensitivity in terms of detecting a human -
sized objects in motion at 20, 10, or five feet, from high to low, respectively.
Not exact matches
• Extra:
In this activity you tested whether the distance between
objects has an effect on apparent
motion, but there are other variables you can test, such as the speed at which the flip - books are flipped and the
size of the circles.
Lakoff and Nunez
in «Where Mathematics Comes From» present the idea that numerals and numbers are essentially metaphors the mind uses to make sense of and communicate ideas related to groups of
objects,
size and magnitude, length, and
motion along a path.