kindergarten student looking at flowers with a magnifying glass during a class outdoors - 科學實驗 科學 個影片檔及 b 捲影像00:06
uses experiments and animation to show heat as the energy of molecular action. illustrates the transfer of heat by conduction, convection and... - 科學實驗 科學 個影片檔及 b 捲影像00:39
theories on the origin of life - part 7 of 24. this presentation of four theories on the origin of life is designed to encourage students to discuss the evidence, to question, to research. special creation attributes origins of life to a supernatural bein - 科學實驗 科學 個影片檔及 b 捲影像00:27
theories on the origin of life - part 24 of 24. this presentation of four theories on the origin of life is designed to encourage students to discuss the evidence, to question, to research. special creation attributes origins of life to a supernatural bei - 科學實驗 科學 個影片檔及 b 捲影像00:23美國
ms tu scientists carrying out various experiments in lab / united states - 科學實驗 科學 個影片檔及 b 捲影像00:17美國
excited boys conducting scientific experiment with fire. laboratory interior - 科學實驗 科學 個影片檔及 b 捲影像00:08
futuristic laboratory with diverse scientists. holographic, three dimensional kidneys model. team scanning virtual patient for injury. - 科學實驗 科學 個影片檔及 b 捲影像00:19
long march-7a y2 carrier rocket carrying the new technology demonstrator 9 experimental satellite blasts off from wenchang spacecraft launch site on... - 科學實驗 科學 個影片檔及 b 捲影像00:23爆炸
animated diagram of a dog's severed head being kept alive; shot of dog's severed head kept alive artificially. - 科學實驗 科學 個影片檔及 b 捲影像00:29
cu, selective focus, scientist dropping liquid into vial in genetic laboratory, close-up of hands, singapore - 科學實驗 科學 個影片檔及 b 捲影像00:16醫學樣本
ms female scientists writing formula on white board while leading project discussion with colleagues - 科學實驗 科學 個影片檔及 b 捲影像00:13
modern research laboratory workstation. female scientist working on a computer. researching viruses and diseases - 科學實驗 科學 個影片檔及 b 捲影像00:25
modern greenhouses of the future monitor plant growth and grow pure, unmodified natural products in hydroponic vertical farms - 科學實驗 科學 個影片檔及 b 捲影像00:27
three female biotech scientists cooking and testing cultured meat product in the laboratory kitchen - 科學實驗 科學 個影片檔及 b 捲影像00:13
high school chemistry lab partners agree and write down measurements during class. - 科學實驗 科學 個影片檔及 b 捲影像00:14少女, 美國
close-up shot of a petri dish for checking an antibiotic in the laboratory. - 科學實驗 科學 個影片檔及 b 捲影像00:14
close up and slow motion of light pink and blue liquid falling into blue hued water transforming into small bubbles and becoming a row of colorful bubbles while rotating and swirling in a scientific test tube - 科學實驗 科學 個影片檔及 b 捲影像01:00
1970 montage scientist examining rats, los angeles, california, usa, audio - 科學實驗 科學 個影片檔及 b 捲影像00:14老鼠
national fisheries research, development institute ship on east sea / south korea - 科學實驗 科學 個影片檔及 b 捲影像00:21
science, microscope and black woman in laboratory for medical analysis, research and study. healthcare, biotechnology and scientist with equipment for sample, experiment and vaccine development - 科學實驗 科學 個影片檔及 b 捲影像00:09
exercise and physical fitness - part 22 of 29. why exercise? this film explores some of the benefits - strength, endurance, flexibility, and spiritual awareness. an experiment measuring endurance reveals the physiological premises for exercise. by the end - 科學實驗 科學 個影片檔及 b 捲影像00:32心臟
science problem, research or team talking about medical results, bad test report and lab mistake, crisis or risk. collaboration, group chat or scientist frustrated for laboratory fail, error or study - 科學實驗 科學 個影片檔及 b 捲影像00:22
chemist in protective gloves pouring vibrant purple liquid into a glass beaker - 科學實驗 科學 個影片檔及 b 捲影像00:11紫色
female computer programmer works on complex software development tasks at her home office late into the night. software developer, artificial intelligence and programming concept. - 科學實驗 科學 個影片檔及 b 捲影像00:13
abstract black ink brush stroke flowing on white background – dynamic fluid motion texture - 科學實驗 科學 個影片檔及 b 捲影像00:06黑色, 抽象背景
mirrored data wave, loopable - dark, blue, purple - abstract technology background, artificial general intelligence, agi, psychology - 科學實驗 科學 個影片檔及 b 捲影像00:28
liquid resin turns volatile in vacuum vial during experiment to replicate volcanic eruption - 科學實驗 科學 個影片檔及 b 捲影像00:16爆炸
the kids were excited about the chemical reaction of baking soda and vinegar that creates carbon dioxide. and started blowing up balloons - 科學實驗 科學 個影片檔及 b 捲影像00:08
scientist in coverall suit working withthe radioactive weapon.biohazard emergency response. high tech research - 科學實驗 科學 個影片檔及 b 捲影像00:22
theories on the origin of life - part 15 of 24. this presentation of four theories on the origin of life is designed to encourage students to discuss the evidence, to question, to research. special creation attributes origins of life to a supernatural bei - 科學實驗 科學 個影片檔及 b 捲影像00:33
futuristic laboratory with mature scientist. holographic, three dimensional jet engine model. - 科學實驗 科學 個影片檔及 b 捲影像00:14飛機
luigi galvani and his wife lucia demonstrating contractions of the muscles of the leg of a frog caused by electrical stimulation. - 科學實驗 科學 個影片檔及 b 捲影像00:20