in a factory, a pressure gauge flickers.in a factory, a pressure gauge flickers. - 熱力學 個影片檔及 b 捲影像00:07
uses experiments and animation to show heat as the energy of molecular action. illustrates the transfer of heat by conduction, convection and... - 熱力學 個影片檔及 b 捲影像00:32
water phase changes. molecular model of an ice lattice, that melts into liquid water and then evaporates into water vapour (gas) - 熱力學 個影片檔及 b 捲影像00:15
stephen hawking saying that 'if information can be lost [from black holes] it has important practical and philosophical consequences' - 熱力學 個影片檔及 b 捲影像00:24宇宙大爆炸
stephen hawking saying he doesn't want to get too close to a black hole as 'he might fall in or get blasted with hawking radiation' - 熱力學 個影片檔及 b 捲影像00:13
stephen hawking saying that 'black holes are not that black after all' and that they emit 'hawking radiation' - 熱力學 個影片檔及 b 捲影像00:32
sequence of shots showing stephen hawking in his room with a student at cambridge university, cambridge - 熱力學 個影片檔及 b 捲影像00:19
stephen hawking saying we can 'predict the future' with the information contained within black holes - 熱力學 個影片檔及 b 捲影像00:21
high school students create wristbands which convert sounds into energy; various of students chatting to reporter rachel burn interview sot teodora... - 熱力學 個影片檔及 b 捲影像02:01
in a factory, a pressure gauge flickers.in a factory, a pressure gauge flickers. - 熱力學 個影片檔及 b 捲影像00:07
in a factory, a pressure gauge flickers.in a factory, a pressure gauge flickers. - 熱力學 個影片檔及 b 捲影像00:07
in a factory, a pressure gauge flickers.in a factory, a pressure gauge flickers. - 熱力學 個影片檔及 b 捲影像00:07
wide shot pan-left - steam rolls off a pool at the mammoth hot springs as the sun shines in the sky. / wyoming, usa - 熱力學 個影片檔及 b 捲影像00:20
wide shot static - steam drifts up from the surface of a pool at the mammoth hot springs in yellowstone national park. / wyoming, usa - 熱力學 個影片檔及 b 捲影像00:08
wide shot static - steam rises from a hot springs at yellowstone national park. / wyoming, usa - 熱力學 個影片檔及 b 捲影像00:09
uses experiments and animation to show heat as the energy of molecular action. illustrates the transfer of heat by conduction, convection and... - 熱力學 個影片檔及 b 捲影像00:39
water phase changes. molecular model of an ice lattice, that melts into liquid water and then evaporates into water vapour (gas) - 熱力學 個影片檔及 b 捲影像00:18格子
water phase changes. molecular model of an ice lattice, that melts into liquid water and then evaporates into water vapour (gas) - 熱力學 個影片檔及 b 捲影像00:15格子
water phase changes. molecular model of an ice lattice, that melts into liquid water and then evaporates into water vapour (gas) - 熱力學 個影片檔及 b 捲影像00:21
water phase changes. molecular model of an ice lattice, that melts into liquid water and then evaporates into water vapour (gas) - 熱力學 個影片檔及 b 捲影像00:21格子
water phase changes. molecular model of an ice lattice, that melts into liquid water and then evaporates into water vapour (gas) - 熱力學 個影片檔及 b 捲影像00:18
convection, animation. convection is a process by which heat moves in fluids and gases. - 熱力學 個影片檔及 b 捲影像00:37