Time, not space plus time, might be the single fundamental property in which all physical phenomena occur, according to a new theory by a University of Alaska Fairbanks scientist.

When the space in question is small, that space can alternate between different dimensions. — JUAN MALDACENA, INSTITUTE FOR ADVANCED STUDY, PRINCETON UNIVERSITY, PRINCETON, NEW JERSEY ...

Three-dimensional space gained a fourth dimension - time, and the concepts of time and space, so far separate, began to be treated as a whole.

Two objects that look different from our vantage point in the three visible dimensions might actually be the same object, rotated to different degrees in the higher-dimensional space.