side view printing the graph of a polygraph machine 4k
Polygraph machine in use 4k
side view of a polygraph machine in use 4k
macro of the pen from a lie detector machine
Hand holding petri dish. Tweezers and piece of paper. Take a sample for experiment. Task for a scientist.
People at the office sits by the table and the conference starts
online commerce with stores around the world
Science engineer working on computer and taking notes in laboratory. Biologist using technology to work on scientific experiment in lab and writing on paper to develop expertise.
Educated male teacher or student explaining complex math equation. Inviting you to study at university. 4k UHD
view of a polygraph being taken 4k
Female with glasses operates in the laboratory
White powder on top of the paper. Chemical Reaction Texture Of Bubbling Powder. Quenching soda vinegar macro.
Hand in gloves stick water bottle. Close up of laboratory worker sticking sticker at bottle with transparent liquid. Laboratory research
Lab assistant in white latex gloves writes marks of scientific experiment progress with pencil on clipboard in contemporary lab closeup
Woman looks under a microscope strip of paper
Dedicated female doctor working diligently in evening lab with computer and paper reports
Ecologist sampling water of toxic chemicals from the river checking list and write to clipboard paper, Biologist wear protective suit and mask collects sample of waste water from industrial
Student girl scans biomaterial sample as teacher makes notes in scientific laboratory
Student writing on the blackboard
dolly right scientist using a microscope in a lab 4k
Teenager wearing protective mask using laptop in library and making notes on paper, doing scientific research, bookshelves on background. Student studying online during pandemic. Concept of education
Studying Physics With Pencil On White Paper 1
A young doctor in a library, smiling and holding books after research and studying. Concept: education, portrait, library, medical care
Mathematics, Equations close-up. Homework. Solving Mathematical Problem. Student solves the equation on paper
Hand of scientist with tweezers. Person works with lab equipment. I need paper filter. Uncover the secrets of science.
Laboratory workplace for DNA test
Man doctor in protective latex gloves writes notes on paper sheet with black pencil listening to patient at table in hospital extreme close view
An ebola definition under a magnifier...
confident skilled african american woman scientist in uniform with medical gloves conducting an experiemtn with liquids and writing down results into paper report
Anonymous biologist in protective suit holding file and looking at camera on background of nature
An ebola definition emphasized and being magnified by a magnifier
Asian chemistry tutor and preschooler girl play rock paper scissors choosing next experiment at fun science lesson in spacious classroom
Studying Science Physics Education
White powder on top of the paper. Chemical Reaction Texture Of Bubbling Powder. Quenching soda vinegar macro.
Medical student in rubber gloves writes test results on paper sheet with pencil working at table in hospital laboratory extreme closeup
A young and beautiful female doctor in a library smiling happy and holding books after doing a search and after studying. Concept: educational, portrait, library, and medical care and welfare