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266 resultados
Página
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Animation of back view of a Caucasian man with arms crossed in front of green chalkboard with moving mathematical calculations formulae written in chalk
4K
0:13
Animation of angry Caucasian man sitting in front of chalkboard with moving mathematical graphs and formulae written in chalk
4K
0:15
Animation of close up of young Caucasian woman at a desk using a computer and massaging her temples in frustration in front of moving mathematical calculations written in chalk on a blackboard
4K
0:13
Animation of a young Caucasian woman massaging her temples trying to solve a problem in front of a green chalkboard with moving mathematical calculations written in chalk
4K
0:15
Animation of head and shoulders back view of a Caucasian man with hand on chin facing a green chalkboard with moving mathematical calculations formulae written in chalk 4k
4K
0:06
Elderly man in glasses is raising finger and smiling having good idea in class with chalkboard covered with formulas. Hand gestures, eureka moment and happiness concept.
4K
0:14
Portrait of smart mature man standing in class with serious face looking at camera, blackboard with formulas is visible in the background. People and science concept.
4K
0:12
Slow motion of female professor blonde walking to chalkboard looking at formulas in class thinking about science. People and modern education concept.
4K
0:19
Scientist is writing formulas on chalkboard underlining equation teaching science in class at university. Education, smart people and knowledge concept.
4K
0:28
Back view of female scientist walking to chalkboard writing formulas with chalk concentrated on science. Occupation, intelligent people and knowledge concept.
4K
0:28
Slow motion back view of senior man with gray hair writing calculations and formulas on chalkboard concentrated on scientific analysis. People and science concept.
4K
0:18
Slow motion of smart schoolboy writing formulas on chalkboard studying alone indoors busy with scientific calculations. People and education concept.
4K
0:15
Slow motion of grayhaired man writing formulas on chalk board in college busy with science and calculations. Modern people, education and knowledge concept.
4K
0:23
Animation of structural formulae of chemical compounds moving and coronavirus Covid19 spreading with female doctor scientist wearing face mask, protective surgical gloves and glasses working in a laboratory holding test tube with green liquid in the back
0:10
Animation of close up of face of a woman over scientific mathematical formulae hand written on black background. Medicine neurology and global science concept digital composite. Coronavirus Covid19 testing
0:14
Animation of profile of face of a man over geometric shapes and scientific mathematical formulae hand written on black background. Medicine neurology and global science concept digital composite.
0:15
Animation of liquid face of a woman over geometric shapes, binary coding and scientific mathematical formulae hand written on glowing blue background. Medicine neurology and global science concept digital composite.
0:14
Animation of profile of face of a woman over geometric shapes and scientific mathematical formulae hand written on black background. Medicine neurology and global science concept digital composite.
0:15
Animation of a Caucasian schoolgirl wearing a VR headset. looking around and moving her hand with mathematical formulae on the chalkboard in the background
0:13
Animation of confused Caucasian man in front of moving mathematical graphs and formulae written in chalk on a blackboard
4K
0:12
Animation of smiling Caucasian man looking up in front of chalkboard with moving mathematical graphs and formulae written in chalk
4K
0:09
Animation of a young Caucasian man celebrating in front of moving mathematical graphs and formulae written in chalk on a blackboard
4K
0:15
Back view of young man maths teacher writing equations on chalkboard in classroom busy with calculations. Occupation, lifestyle and people concept.
4K
0:22
Adult woman teacher in elegant suit and glasses is writing formulas on blackboard talking teaching class at school. Education and occupation concept.
4K
0:25
Slow motion of adult woman teaching science at class near chalkboard talking looking at camera. Communication, education and university concept.
4K
0:23
Adult blonde is walking to blackboard with scientific formulas in university classroom looking around thinking about science. People and education concept.
4K
0:24
Animation of data processing, structural formulae of chemical compounds moving and coronavirus Covid19 spreading over female scientist doctor working with microscope wearing protective surgical gloves in laboratory in the background. Medicine public heal
0:12
Animation of close up of face of a man over scientific mathematical formulae hand written on black background. Medicine neurology and global science concept digital composite. Coronavirus Covid19 testing
0:11
Animation of a young Caucasian woman holding a calculator and notebook, looking around and smiling to camera. Behind her is a green chalkboard with moving mathematical graphs and formulae written in chalk
4K
0:15
Animation of a young smiling Caucasian woman seen waist up sitting at a desk talking on smartphone. Behind her is a green chalkboard with moving mathematical calculations written in chalk 4k
4K
0:15
Portrait of elderly man college teacher underlining formula on chalkboard writing in class busy with science and teaching. People and education concept.
4K
0:10
Elderly professor is smiling looking at camera standing near blackboard with formulas alone in university classroom. Science, people and education concept.
4K
0:17
School teacher is writing formulas on board teaching then leaving while naughty students are throwing paper balls at him. Education and behavior concept.
4K
0:17
Low angle view of clever schoolboy writing formulas with chalk on blackboard focused on scientific research and education. Childhood and class concept.
4K
0:13
Intelligent professor in suit and glasses is working at project in college writing formulas on chalkboard wall thinking about science. People and education concept.
4K
0:20
Animation of a smiling Caucasian woman wearing white clothes sitting in a white chair using a tablet computer. Behind her is a green chalkboard with moving mathematical claculations written in chalk 4k
4K
0:15
Animation of confused Caucasian man seen waist up standing holding his temples in front of moving mathematical graphs and formulae written in chalk on a chalkboard 4k
4K
0:15
Animation of the head and shoulders of a smiling Caucasian man facing the camera and looking up, standing in front of a chalkboard with moving mathematical graphs and formulae written in chalk behind him 4k
4K
0:15
Animation of multiethnic schoolchildren running in the park with mathematical formulae in the foreground
0:14
Animation of a Caucasian schoolgirl wearing a VR headset, looking around and raising her hand with virtual mathematical formulae in the foreground
0:13
Young mathematician is busy writing formulas on chalkboard working with serious face wearing glasses and casual clothing. People and occupation concept.
4K
0:12
Thoughtful man in glasses raising finger smiling having good idea in classroom standing alone with chalkboard in background. People and creativity concept.
4K
0:13
Teacher young man in glasses and casual clothing is explaining theory in class writing formulas while paper balls are thrown at him. Educational problems concept.
4K
0:23
Time lapse of intelligent guy in glasses writing scientific formulas on chalkboard at school busy with education. Modern people, lifestyle and youth concept.
4K
0:29
Back view of smart senior man university professor writing equations on chalkboard in class focused on scientific calculations. People and education concept.
4K
0:28
Animation of close up of face of a woman over scientific mathematical formulae hand written on black background. Medicine neurology and global science concept digital composite.
0:15
Animation of an African American schoolboy wearing a VR headset and using his hands to move virtual mathematical formulae
0:15
Slow motion of male hand underlining maths equation on chalkboard in class, professor is teaching at university. Science, theory and occupation concept.
4K
0:14
Portrait of happy mature man in glasses looking at camera smiling near chalkboard with formulas written with chalk. Education and positive emotions concept.
4K
0:13
Mature man in suit is walking to chalkboard wall with formulas looking at equations holding chalk thinking about science. People, research and education concept.
4K
0:26
Professor mature adult man is teaching class writing formulas on chalkboard then leaving because of students throwing paper at him. Education problems concept.
4K
0:18
Slow motion portrait of serious mature scientist standing near clalkboard with formulas holding arms crossed looking at camera. People and workplace concept.
4K
0:14
Slow motion of young male teacher walking to chalkboard then writing formulas busy with scientific calculations. Occupation and profession concept.
4K
0:26
Serious college professor teaching science writing formulas on board talking looking at camera holding chalk. Education, scientifil knowledge and people concept.
4K
0:29
Smart senior man is walking to chalkboard wall with formulas in university classroom thinking about scientific project. People and lifestyle concept.
4K
0:15
Portrait of smart young man in glasses standing in class with serious face looking at camera, blackboard with formulas is visible in the background. People and science concept.
4K
0:12
Animation of close up of face of a man over scientific mathematical formulae hand written on black background. Medicine neurology and global science concept digital composite.
0:15
Animation of young Caucasian man seen waist up sleeping on desk in front of moving mathematical calculations written in chalk on a chalkboard
4K
0:15
Time lapse of adult man scientist writing formulas on chalkboard walking in class busy with scientific ideas. Education, lifestyle and occupation concept.
4K
0:22
Portrait of intelligent guy in casual clothing walking to chalkboard writing formulas teaching science. Profession, lifestyle and knowledge concept.
4K
0:09
Serious scientist in glasses is standing indoors with arms crossed near chalkboard with formulas looking at camera. Occupation, science and confident people concept.
4K
0:12
Closeup slow motion of maths students hand writing formulas with chalk on blackboard indoors in classroom. Education, people and modern science concept.
4K
0:17
Intelligent young man is writing maths equations on board in class using chalk looking for solution of science exercise. People, education and lifestyle concept.
4K
0:21
Smart scientist in glasses is raising forefinger having great idea working with chalkboard in class thinking about scientific problem finding solution. People and science concept.
4K
0:11
Closeup portrait of serious intelligent man wearing glasses looking at camera indoors standing alone against blackboard with formulas. People and education concept.
4K
0:06
Portrait of little genius adorable boy in classroom sitting at desk wearing glasses smiling looking at camera, a chalkboard with formulae is in background.
4K
0:06
Animation of structural formulae of chemical compounds and data processing over surgeons in the operating theatre
0:15
Animation of a worried Caucasian man sitting on a black chair in front of moving mathematical calculations written in chalk on a green blackboard
4K
0:15
Animation of a young Caucasian woman seen from behind standing and looking at chalkboard with moving mathematical graphs and formulae written in chalk
4K
0:15
Animation of Caucasian man sitting in front of chalkboard with moving mathematical graphs and formulae written in chalk 4k
4K
0:14
Mature man physicist writing formulas on blackboard with chalk indoors at school busy with solving scientific problem. Science, occupation and education concept.
4K
0:23
Portrait of serious young man student standing in class in college with arms crossed looking at camera, blackboard wall with formulas is in background.
4K
0:08
Slow motion of university teacher walking to chalkboard then writing formulas working at scientific project. People, lifestyle and science concept.
4K
0:29
Smart woman researcher is walking to blackboard in classroom writing formulas with chalk focused on science theory. People, education and work concept.
4K
0:14
Maths teacher is writing formulas on chalkboard then talking teaching class at school during mathematics lesson. Education, occupation and people concept.
4K
0:29
Time lapse of smart student handsome young man writing formulas on blackboard working at scientific exercise alone. Education and people concept.
4K
0:11
Confident college teacher standing in class with arms crossed looking at camera with blackboard covered with formulas in background. People and science concept.
4K
0:12
Animation of close up of female face with medical data processing and structural formulae of chemical compounds on black background. Medicine neurology and global science concept digital composite..
0:15
Animation of a young concentrating Caucasian woman in front of a green chalkboard with moving mathematical calculations written in chalk
4K
0:14
Animation of frustrated bearded Caucasian man seen waist up standing in front of chalkboard with moving mathematical calculations written on it in chalk 4k
4K
0:15
Time lapse of creative guy researcher writing formulas on chalkboard in class working alone in university solving scientific problem. People and education concept.
4K
0:13
High angle view of mathematics teacher handsome young man in glasses writing formulas and equations on board with chalk. People and education concept.
4K
0:23
Zoomout timelapse of clever young professor writing formulas on chalkboard moving fast concentrated on intellectual work. People and profession concept.
4K
0:11
Portrait of little prodigy kid writing calculations on chalk board busy with science taking notes on blackboard learning alone in classroom. People and education concept.
4K
0:19
Portrait of cheerful mature man standing in class with chalkboard wall smiling looking at camera holding arms crossed. People and education concept.
4K
0:10
Timelapse of smart young man scientist walking in class looking at chalkboard with formulas thinking about science problem. People and challenges concept.
4K
0:19
Creative scientist in glasses is raising finger having good idea working with chalkboard in class thinking about scientific problem finding solution. People and science concept.
4K
0:16
Animation of a smiling Caucasian woman sitting at a desk holding a clock above her head and looking up at it and then smiling to camera. Behind her is a green chalkboard with moving mathematical graphs and formulae written in chalk 4k
4K
0:15
Animation of close up of profile of face of a man over geometric shapes and scientific mathematical formulae hand written on black background. Medicine neurology and global science concept digital composite. Coronavirus Covid19 testing
0:15
Slow motion of university professor grayhaired man in suit writing formulas on chalkboard in class busy with scientific equations. People and lifestyle concept.
4K
0:29
Experienced scientist in suit is walking to blackboard wall in college class looking at formulas thinking about science. Education, people and information concept.
4K
0:21
Animation of structural formulae of chemical compounds moving and coronavirus Covid19 spreading over female scientists doctors working with pipette wearing protective face masks and surgical gloves in laboratory in the background. Medicine public health
0:10
Animation of red health hazard sign, cross and structural formulae of chemical compounds moving and coronavirus Covid19 spreading over male and female scientists doctors working with microscope in laboratory in the background. Medicine public health pand
0:10
Timelapse of creative male teacher young man writing formulas on chalkboard in classroom moving near board working alone. People and occupation concept.
4K
0:11
Portrait of female teacher working in class writing formulas on chalkboard talking looking at camera. Modern education, tutoring and occupation concept.
4K
0:29
Animation of a Caucasian schoolgirl wearing a VR headset and using her hands to move virtual mathematical formulae
0:11
Animation of confused Caucasian man seen in head and shoulders view looking up in front of blackboard with moving mathematical graphs and formulae written in chalk
4K
0:15
Portrait of happy young man student standing in class with arms crossed smiling looking at camera. Occupation, lifestyle and modern people concept.
4K
0:15
Thoughtful man is walking near chalkboard wall thinking then writing formulas finding solution for scientific problem. People, science and education concept.
4K
0:22
Closeup of male hand with chalk underlining formula on chalkboard in class, scientist is busy with science theory. Education and research concept.
4K
0:08
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