Medium of male Caucasian professor in white gown, gloves and goggles holding beamer with purple liquid, talking to invisible audience in classroom, female assistant sitting at desk
Medium long of male Caucasian professor in white gown, gloves and goggles showing chemical experiment, lighting match, talking to invisible audience in classroom, female assistant sitting at desk
Tracking in of diverse college students sitting at desks in classroom, writing summary on chemistry lecture, professor holding beamer with purple liquid
Midsection of cropped professor making black fire snake chemical experiment on desk in classroom at daytime
Wide shot of male Caucasian professor in white gown, gloves and goggles showing chemical experiment, lighting match, talking to audience in classroom, female assistant sitting at desk
Young Biracial Professor Explains Graph in Classroom
Midsection of cropped male medical worker in scrub suit and gloves holding tablet computer, talking to female refugee in asylum at daytime
Hand Of Doctor In Medical Gown And Gloves He Holds Tablet. He Shows Something On Tablet Screen. Face Invisible.
Hand Of Doctor In Medical Gown And Gloves He Holds Tablet. He Shows Something On Tablet Screen. Face Invisible.
The camera moves through the audience where the students write a lecture on laptops and notebooks for professors in a large classroom of a university or college
The camera moves through the audience where the students write a lecture on laptops and notebooks for professors in a large classroom of a university or college
Midsection of two cropped men holding papers with graphs and charts on it indoors in afternoon