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Theory Stock Footage: Royalty-Free Video Clips
Royalty-free Stock Footage Clips
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"theory"
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272 results found for theory
Mysterious notes with threads. Stock footage. Blackboard with notes and red threads in mysterious office. Riddle of puzzles on board with
Handheld tracking shot with close up of male university professor writing math formula on chalkboard
Full shot with reflection effect of Middle Eastern male scientist presenting innovative research to doctors in white coats at medical conference, with slides on projector screen, audience applauding
Professional composer teaching guitar lessons online on master recording himself playing acoustic instrument accords and explaining notes
Mysterious notes with threads. Stock footage. Blackboard with notes and red threads in mysterious office. Riddle of puzzles on board with
Portrait of detective explaining suspicion theory to colleague in darkness indoors. Medium shot of confident Caucasian man talking with coworker in police department. Crime investigation concept.
Guitarist instructor hosting guitar lessons online using a mobile phone, recording tutorial for master Artist musician explains acoustic
Scientist writing formulas on chalkboard. Hand with chalk wrote physics formulas on black chalkboard closeup
Medium shot of mature Caucasian male teacher standing by flipchart and pointing at English grammar rules on colorful sheets of paper while giving lesson to group of students in library
Group of people with foil on their heads discussing conspiracy theories. Friends with foil on their heads. You know, so they can't read your
Medium footage of mature Asian male physician standing next to projector screen at meeting, speaking about scientific research on biochemistry of new drug, pointing to slide with cell and molecules
Close-up of board with notes and threads. Stock footage. Man is investigating and fixing evidence on board. Man checks photos and notes on
Nuclear Deterrence inscription on smartphone screen with black background placed on laptop keyboard close up.
Close-up of board with notes and threads. Stock footage. Man is investigating and fixing evidence on board. Man checks photos and notes on
Full shot of Indian male pharmaceutical sales representative promoting new drug to doctors at medical conference, pointing to slide on projector screen, explaining action, benefits, public applauding
Medium close-up shot of teenage girl writing down coding sequence on glass wall with white chalk, underlining main function, while classmates and teacher are watching
Medium footage of mature Middle Eastern man in glasses, suit standing by projector screen on stage at conference, speaking about scientific research on biochemistry or pharmacology
Talented performer teaching how to play acoustic guitar online for a tutorial, hosting internet master to provide advice for beginners
Notes with red thread. Stock footage. Close-up of mysterious notes connected by red thread. Symbols and puzzles on mysterious board with
Full shot of Middle Eastern male research scientist talking about innovative discovery of new drug to doctors in white coats at medical conference, demonstrating slide on screen, audience clapping
Three burning candles in secret freemasonry lodge on the background of blurred wall inscription and some other signs, idolatry of rich
Full over-shoulder shot Middle Eastern male pharmaceutical sales representative with tablet computer presenting new medication or therapy to doctors at conference, speaking about its benefits
Medium close-up shot of group of school students and programming teacher standing by glass wall, discussing coding project and writing down algorithm with white chalk
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