Videos de stock libres de regalías sobre Clases
192,459 videos de stock libres de regalías sobre clasesVea imágenes de stock sobre clases.
4k00:20indian business woman team leader presenting project strategy showing ideas on whiteboard in office presentation diverse colleagues enjoying training seminar
4k00:08Optical lens flare effect. 4K resolution. Very high quality and realistic. Perfect for any kind of project.
4k00:07Hand Holding Chalk and Writing Complex and Sophisticated Mathematical Formula/ Equation on the Blackboard. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:13In a Computer Science Class Boy Wearing Virtual Reality Headset Works in Interactive 3D Environment. Mechanical Modeling Project of Connecting Gears with Augmented Reality Software. 4K UHD.
4k00:20Natural Dust Organic Floating particles in stage light ray (spot) on black background. Dust in air atmosphere for your projects! Just drop it over your footage and use blending (screen) mode.
4k00:07Person says about marketing and management for successful sales to college students indoors closeup. Professional ideas, politics or economy. Energy gesturing in large room. Row of seats on background
hd00:21Female executive leader coach presenter giving lecture presentation in modern office boardroom for corporate employees group, speaker mentor explaining training professional team at business seminar
4k00:13Handsome Hispanic Student Uses Laptop while Listening to a Lecture at the University, He Raises Hand and Asks Lecturer a Question. Multi Ethnic Group of Modern Bright Students.
hd00:30Happy asian teen girl student looking at camera webcamera making video call to distant friend or online teaching, smiling female teacher coach vlogger recording vlog speaking at webcam
4k00:12Back View of the Professor Giving Lecture on Computer Science to a Classroom Full of Multi Ethnic Students. Teacher Holds Laptop with Deep Learning, Artificial Intelligence Infographics on the Screen.
4k00:12Panning shot of teacher assisting children in classroom reading digital tablets / Provo, Utah, United States
4k00:13business woman team leader presenting in office meeting colleagues sharing leadership ideas in office training presentation seminar
4k00:11Hands of the Lecturer while he Gives Lecture to a Classroom Full Of Students. Young People Listening to a Lecture in the University.
4k00:28young diverse children paint colorful space pictures together on paper using paint brushes happy kids enjoying fun creativity painting science fiction space drawing pictures top view
4k00:11Enthusiastic teacher high-fiving students exiting doorway from classroom / Provo, Utah, United States
hd00:24Portrait of attractive smiling girl in train using smartphone chatting with friends woman hand internet technology cellphone city mobile phone smartphone tram female transport young slow motion
4k00:10Team of Talented Computer Engineers Programming at Their Workstations. Independent Company Works on a Neural Network Machine Learning Development Project. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:13showman presents his show, spreading his hands to the sides. The guy in the purple camisole and the cylinder. Bright tailcoat, suit. Rear view of a male public speaker speaking at the microphone
4k00:10A simple element of a thought bubble, email, or text message popping up, with typing or thinking dots slowly pulsing inside of it, reminiscent of someone taking a long time to type a message
4k00:13In a Computer Science Class Boy Wearing Virtual Reality Headset Works on Programing Gestures for the Project. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:132019 Happy New Year greeting text with particles and sparks on black night sky with colored slow motion fireworks on background, beautiful typography magic design.
hd00:13Four Friends Are Going to School. They Have A Lot of Fun Because Today is Their First Day at School.
4k00:16MONTREAL, CANADA - September 2018 : Vintage aerobic class with many trainers dancers on a old vintage TV screen 80s 90s style.
4k00:07Crowded education forum of trading corporation. Professional businesspeople view cooperation workshop for success leadership on chairs row. Adult beautiful listener or white collar indoors room center
4k00:10Playing speaker membranes stacked in an endless loop. Lit by colourful and moody retro disco lights. Powerful, modern kind of midrange, subwoofer and twitter loudspeakers vibrate in even, frequencies.
hd00:08Serious girl student wear headphone study online with internet teacher learn language talk looking at laptop, focused young woman make video call tutoring write notes, teaching concept
4k00:164k Female hands type on laptop keyboard touching touchpad with fingers smart phone lying near close up. No face woman sits on sofa freelancing working at home writes post comments in social networks
4k00:11Back View of the Students in the Lecture Hall Listening to a Prominent Professor Giving a Lecture. Charismatic Lecturer Reads to the Bright Young People Study at the University.
hd00:08Art digital performance, dance experimental. A new kind of art, generative graphics. Interactive video installation. High technologies.
4k00:14Brilliant Young Mathematician Approaches Blackboard and Finishes Solving Long and Complex Equation. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:08Optical lens flare effect. 4K resolution. Very high quality and realistic. Perfect for any kind of project.
4k00:16Gimbal shot of a young professional as he walks to work on a cloudy day. Shot in 4K UHD resolution.
4k00:08Person says about marketing to college students for successful sales to college students indoors closeup. Idea of politics or economy. Gesturing in large room. Row of seats for spectator on background
4k00:16Time-Lapse of the Brilliant Young Mathematician Writes Complex Equation on the Blackboard. Shot on RED EPIC-W 8K Helium Cinema Camera.
hd00:20International Airport Departure Flip-Style Board. 20 Cities Timetable. Seamlessly Loopable Background
4k00:07Professor Reads Lecture to a Multi Ethnic Group of Students, Bright Japanese Student Raises Hand to Ask Question. Smart Young Future Generation.
4k00:09Expert perform on the stage address to modern crowd audience sitting and listening in large hall. Female entrepreneur communicating with a listener at workshop convention for young businesspersons
4k00:15Confident official male team works at crowded forum for trading collaboration or education. Concept of briefing for economic partners or politicians indoors. Row of seats in large place for job worker
4k00:08Moving Footage of a Row of Multi Ethnic Students in the Classroom Taking Exam/ Test. Focus on Holding Pens and Writing in Notebooks. Bright Young People Study at University.
4k00:15portrait of men speaking through a microphone in dark conference hall. Person says about marketing and management for successful sales to college students indoors closeup. Professional ideas, politics
hd00:16Camera slides around freelancer's hands typing on laptop keyboard in slow motion. Businessman working at office with internet. Man searches new job on internet at coffeeshop. Business concept.
4k00:19diverse business people meeting in boardroom brainstorming team leader woman presenting financial graph data showing colleagues presentation working together in disabled friendly office
4k00:11In this close up type of shot you can see young woman holding Apple Ipad touch screen tablet device in her hands. She is scrolling the screen while searching for pictures or reading news feed online.
4k00:30Binary code black and green background with digits moving on screen, Concept of digital age. Algorithm binary, data code, decryption and encoding, row matrix background.
4k00:29In English class, Asian teacher writes fill in the blanks game on green board, to play with her students
4k00:11Yoga class at sunset, happy diverse group of young people practicing yoga tree pose together, stretching health and wellness
hd00:30The camera flies to the formulas. Dolly zoom.Camera fly through matrix made up of math formulas and equations.Mathematical cognitive process. Abstract cognitive process concept.
hd00:24Portrait of handsome south east asian happy young man smiling and laughing on camera in the park with three kind of tones
hd00:50Little child boy is playing with robotic arm in a room. He is controlling it and taking ball by gadget, smiling and rejoicing
4k00:10The female financial coach emotional gesturing talks from the stage with spectators at forum. Too many anonymous persons workers and students seat in large auditorium and watch workshop background
4k00:18Female infant school teacher reading a book to children sitting on chairs in a classroom, close up
4k00:21Portrait of the handsome father saying something to his son and hugging him in the morning in front of the school, then boy running to lessons and dad leaving for work.
4k00:10Close up of the old gray haired man in glasses blowing a dust from a book in the library before reading it.
hd00:34Portrait of man looking at camera face close up outdoors in mountains morning nature. Caucasian handsome confident calm 30s guy with loving kind brown eyes athlete sportsman traveler in grey sweater
4k00:18young business woman team leader presenting project strategy showing ideas on whiteboard in office presentation diverse colleagues enjoying training seminar
4k00:12A happy and smiling woman making a card payment through mobile phone to pay bills. An attractive girl putting debit or credit card details on a smartphone or cellphone to make online transaction
4k00:12In Computer Science Class Teacher Examines programed Robot Engineered by His Student for School Project. Shot on RED EPIC-W 8K Helium Cinema Camera.
hd00:13the speaker tells the speech at conference. Business People Seminar Conference Meeting Office Training Concept. Business and Entrepreneurship concept.
4k00:10Team of Computer Engineers Work on Machine Learning Neural Network Technology Development. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:20PAN of female yoga instructor and group of senior people standing in line and doing side bends with spread arms during class
4k00:352019 Happy New Year greeting text with particles and sparks on black night sky with colored slow motion fireworks on background, beautiful typography magic design.
4k00:12Process of production of pills, tablets. Industrial pharmaceutical concept. Factory equipment and machine. Steel. Realistic 4k animation.
4k00:14Bored Male Student Listening Lecture at the University. Tired, Exhausted and Overworked Young Male. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:12Primary school girl with two braids using virtual reality glasses as part of information technology lesson
4k00:09Creative Young Man wearing Glasses Draws Charts on His Whiteboard. Shot on RED Cinema Camera in 4K (UHD).
4k00:352018 Happy New Year greeting text with particles and sparks on black night sky with colored slow motion fireworks on background, beautiful typography magic design.
4k00:13Close up of the old lady on retirement smiling to the camera while sitting on the gray couch in the living room. Portrait.
4k00:17Team of robotics engineer works with robot, assembling and testing robotics responses with laptop Computer in workshop. People with technology or innovation concept.
4k00:30Abstract digital data nodes and connection paths within any type of network or system of networks. Animation for visuals, vj, light presentations or as motion background. Seamless Loop. 4k
4k00:14Excited preteen students using augemnted reality for studying in modern school. View of pupils with VR headsets during a computer science class.
hd00:05Glass digital tunnel original.Seamlessly looping corridor with HUD servers in data center.Good for Broadcast technology and computers news report.As opener or screensaver in TV show.Type 4
4k00:20POV of asian girl holding smartphone taking selfie photos with cheerful multi-ethnic classmates and have fun at university library. Woman pointing touchsreen and watching pictures
4k00:13Camera Facing Class: College Professor Gives a Lecture to a Classroom Full of Multi Ethnic Students. Talented Speaker Captures Audience Attention.
hd00:15Zoom out Twelve o'clock White clock face beginning of time 11.10 am, Time lapse 25 minutes moving fast.
hd00:12Female blogger hold in hands little red hearts, dancing to music rhythm isolated on yellow orange background. Like blogging blog social network tenderness concept.
4k00:23asian business woman team leader writing on glass whiteboard training colleagues sharing problem solving ideas in corporate seminar presentation
4k00:16Hand Holding Chalk and Writing Complex and Sophisticated Mathematical Formula on the Blackboard. Underlining Equation. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:12Group of Mixed Race Students are sitting in a Row and Working on Computers. Shot on RED Cinema Camera in 4K (UHD).
hd00:26Person says about management for successful to college students indoors. Professional economy Speaker seminar business team teamwork conference coach businesswoman training audience students studying
4k00:11Modern space for startup company of programmers career. Commerce activity for cooperation or success in large crowded room. Speaker says about successful marketing in full place of viewers slow motion
4k00:14Brilliant Young Academic Finishes Writing Big and Complex Mathematical Formula/ Equation on the Blackboard. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:12Hardworking Latina student studies for a class in her school library. Hispanic girl in college finishes up some homework for her class in a local library. 4k
4k00:18A slow rising aerial establishing shot of a sunset over the western Pennsylvanian countryside. Pittsburgh suburbs.