superconductors could lead to scientific breakthroughs; england: cheshire: helsby high school:super-conducting compounds being mixed by pestle and... - 鋇 個影片檔及 b 捲影像02:51
splitting of an uranium atom is discussed in a diagram / housing project in richland / views of plants in richland, washington and oak ridge / guard... - 鋇 個影片檔及 b 捲影像00:51
first fifty: ebe's golden anniversary retrospective - part 15 of 29. in this 50th anniversary retrospective film, we hear thomas edison's words proclaim that educational films would one day replace the textbook as the basic tool of education. in the 1958 - 鋇 個影片檔及 b 捲影像00:34美國
light and color - part 23 of 23. what color is, how color is related to light, why a certain color looks that color to our eyes, and the role color plays in the identification of chemical elements are shown - 鋇 個影片檔及 b 捲影像00:29
the digestive system (2nd edition) - part 30 of 30. using precise animation and photography, this fascinating film shows the mechanical and chemical processes of digestion. the film traces food through the digestive system, illustrating both mechanical an - 鋇 個影片檔及 b 捲影像00:32
the digestive system (2nd edition) - part 29 of 30. using precise animation and photography, this fascinating film shows the mechanical and chemical processes of digestion. the film traces food through the digestive system, illustrating both mechanical an - 鋇 個影片檔及 b 捲影像00:29
nuclear fission animation. nuclear fission is the source of the energy released in a nuclear bomb or nuclear reactor. - 鋇 個影片檔及 b 捲影像00:16
bacl2 barium chloride crystallization process under polarized light 4k timelapse video - 鋇 個影片檔及 b 捲影像00:12
bacl2 barium chloride crystallization process under polarized light 4k timelapse video - 鋇 個影片檔及 b 捲影像00:21
bacl2 barium chloride crystallization process under polarized light 4k timelapse video - 鋇 個影片檔及 b 捲影像00:12
bacl2 barium chloride crystallization process under polarized light 4k timelapse video - 鋇 個影片檔及 b 捲影像00:08
bacl2 barium chloride crystallization process under polarized light 4k timelapse video - 鋇 個影片檔及 b 捲影像00:08
bacl2 barium chloride crystallization process under polarized light 4k timelapse video - 鋇 個影片檔及 b 捲影像00:08
bacl2 barium chloride crystallization process under polarized light 4k timelapse video - 鋇 個影片檔及 b 捲影像00:08
bacl2 barium chloride crystallization process under polarized light 4k timelapse video - 鋇 個影片檔及 b 捲影像00:14
bacl2 barium chloride crystallization process under polarized light 4k timelapse video - 鋇 個影片檔及 b 捲影像00:21
bacl2 barium chloride crystallization process under polarized light 4k timelapse video - 鋇 個影片檔及 b 捲影像00:17
bacl2 barium chloride crystallization process under polarized light 4k timelapse video - 鋇 個影片檔及 b 捲影像00:17
bacl2 barium chloride crystallization process under polarized light 4k timelapse video - 鋇 個影片檔及 b 捲影像00:17
bacl2 barium chloride crystallization process under polarized light 4k timelapse video - 鋇 個影片檔及 b 捲影像00:17
bacl2 barium chloride crystallization process under polarized light 4k timelapse video - 鋇 個影片檔及 b 捲影像00:17
bacl2 barium chloride crystallization process under polarized light 4k timelapse video - 鋇 個影片檔及 b 捲影像00:14
bacl2 barium chloride crystallization process under polarized light 4k timelapse video - 鋇 個影片檔及 b 捲影像00:14