Kid Thinking Bubble Stock Videos

Browse 60 kid thinking bubble videos and clips available to use in your projects, or start a new search to explore more footage and b-roll video clips.

video thumbnail
time - measurement and meaning - part 35 of 44. how does time move...what is "now"...what is reverse, or "backwards" time? this superb, up-to-date account of modern theoretical and practical physical science examines concepts of time dilation, the entropy - kid thinking bubble stock videos & royalty-free footage
00:38
Time - Measurement and Meaning - part 35 of 44. How does time move...what is "now"...what is reverse, or "backwards" time? This superb, up-to-date account of modern theoretical and practical physical science examines concepts of time dilation, the entropy
Albert Einstein, Time, Archival