A smart series of videos attempts to describe the relationship between space and time. In this first episode, two educators hold a discussion using slides and a flip-book approach to put the two things together. Make sure to follow this...

The mind-bending concept of space-time is further discussed by two cartoon scientists in this second of three animated films. Assign each part and the accompanying Think questions as homework or as an enrichment when working on motion...

If you weren't already blown away by first two installments, check out this clip on how gravity and space-time interact! Our physicist friends, Pontzen and Whyntie, continue their discussion of these motion concepts for your high...

What is a black hole? Learn about frame dragging, space-time, cosmic strings, and what they mean to time-travelers. This is a very interesting clip that uses CG graphics, scientific discussion, and comprehensive narration to postulate...

With the understanding of space-time and fourth dimensional space comes the question of time travel and free will. The physics of time-travel and time relativity is well explained by leading physicists. This is a highly theoretical...

Does time have a shape? According to the light cone model and theory of space-time, it could. Building on Einstein's Theory of Relativity, the narrator describes how time can have a shape. This video is good, but there is a lot of direct...

What is a gravitational wave, and did Einstein describe it correctly? Learn how Einstein's theory was challenged over time, proved to be correct, and what gravitational waves are. This is an informative clip describing the phenomena of...

Have you ever had a learner ask you if time travel was possible? Turn them on to this clear and easy-to-understand video that explains how space and time work together and what that means in relation to time travel.

Part one of this short two-part series begins with a review of Einstein's theories and what they mean to the world as we know it. This clip delves into the "Beyond Einstein" program which NASA created to further Einstein's theories. This...