[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:07.04,0:00:10.02,Default,,0000,0000,0000,,One of the most remarkable aspects\Nof the human brain Dialogue: 0,0:00:10.02,0:00:13.68,Default,,0000,0000,0000,,is its ability to recognize patterns\Nand describe them. Dialogue: 0,0:00:13.68,0:00:16.36,Default,,0000,0000,0000,,Among the hardest patterns\Nwe've tried to undestand Dialogue: 0,0:00:16.36,0:00:20.79,Default,,0000,0000,0000,,is the concept of\Nturbulent flow in fluid dynamics. Dialogue: 0,0:00:20.79,0:00:23.30,Default,,0000,0000,0000,,The German physicist\NVerner Heisenberg said, Dialogue: 0,0:00:23.30,0:00:27.38,Default,,0000,0000,0000,,"When I meet God, I'm going to ask him\Ntwo questions: Dialogue: 0,0:00:27.38,0:00:30.84,Default,,0000,0000,0000,,why relativity and why turbulence? Dialogue: 0,0:00:30.84,0:00:34.93,Default,,0000,0000,0000,,I really believe he will have \Nan answer for the first." Dialogue: 0,0:00:34.93,0:00:38.30,Default,,0000,0000,0000,,As difficult as turbulence is to\Nunderstand mathematically, Dialogue: 0,0:00:38.30,0:00:42.19,Default,,0000,0000,0000,,we can use art to depict the way it looks. Dialogue: 0,0:00:42.19,0:00:47.31,Default,,0000,0000,0000,,In June 1889, Vincent Van Gogh painted\Nthe view just before sunrise Dialogue: 0,0:00:47.31,0:00:51.66,Default,,0000,0000,0000,,from the window of his room at the\NSaint Paul de Mausole Asylumn Dialogue: 0,0:00:51.66,0:00:53.59,Default,,0000,0000,0000,,in Saint-Rémy-de-Provence, Dialogue: 0,0:00:53.59,0:00:56.84,Default,,0000,0000,0000,,where he'd admitted himself after\Nmutilating his own ear Dialogue: 0,0:00:56.84,0:00:59.31,Default,,0000,0000,0000,,in a psychotic episode. Dialogue: 0,0:00:59.31,0:01:02.06,Default,,0000,0000,0000,,In the Starry Night, \Nhis circular brush strokes Dialogue: 0,0:01:02.06,0:01:07.83,Default,,0000,0000,0000,,creates a night sky filled with\Nswirling clouds and eddies of stars. Dialogue: 0,0:01:07.83,0:01:11.75,Default,,0000,0000,0000,,Van Gogh and other impressionists\Nrepresented light in a different way Dialogue: 0,0:01:11.75,0:01:14.87,Default,,0000,0000,0000,,than their predecessors,\Nseeming to capture its motion, Dialogue: 0,0:01:14.87,0:01:17.86,Default,,0000,0000,0000,,for instance, across sun dappled waters, Dialogue: 0,0:01:17.86,0:01:21.53,Default,,0000,0000,0000,,or here in star light that \Ntwinkles and melts Dialogue: 0,0:01:21.53,0:01:24.84,Default,,0000,0000,0000,,through milky waves of blue night sky. Dialogue: 0,0:01:24.84,0:01:27.42,Default,,0000,0000,0000,,The effect is caused my luminance, Dialogue: 0,0:01:27.42,0:01:31.10,Default,,0000,0000,0000,,the intensity of the light in the colors \Non the canvas. Dialogue: 0,0:01:31.10,0:01:33.63,Default,,0000,0000,0000,,The more primitive part of our\Nvisual cortex, Dialogue: 0,0:01:33.63,0:01:37.58,Default,,0000,0000,0000,,which sees light contrast and motion,\Nbut not color, Dialogue: 0,0:01:37.58,0:01:40.63,Default,,0000,0000,0000,,will blend two differently \Ncolored areas together Dialogue: 0,0:01:40.63,0:01:42.97,Default,,0000,0000,0000,,if they have the same luminance. Dialogue: 0,0:01:42.97,0:01:45.35,Default,,0000,0000,0000,,But our brains primate\Nsubdivision Dialogue: 0,0:01:45.35,0:01:48.51,Default,,0000,0000,0000,,will see the contrasting colors\Nwithout blending. Dialogue: 0,0:01:48.51,0:01:51.46,Default,,0000,0000,0000,,With these two interpretations\Nhappening at once, Dialogue: 0,0:01:51.46,0:01:57.90,Default,,0000,0000,0000,,the light in many impressionist works\Nseems to pulse, flicker and radiate oddly. Dialogue: 0,0:01:57.90,0:02:01.49,Default,,0000,0000,0000,,That's how this and other impressionist\Nworks use quickly executted Dialogue: 0,0:02:01.49,0:02:05.16,Default,,0000,0000,0000,,prominent brush strokes to capture\Nsomething strikingly real Dialogue: 0,0:02:05.16,0:02:07.53,Default,,0000,0000,0000,,about how light moves. Dialogue: 0,0:02:07.53,0:02:11.21,Default,,0000,0000,0000,,60 years later, Russian mathematician\NAndrey Kolmogorov, Dialogue: 0,0:02:11.21,0:02:13.79,Default,,0000,0000,0000,,furthered our mathematical \Nunderstanding of turbulence Dialogue: 0,0:02:13.79,0:02:18.16,Default,,0000,0000,0000,,when he proposed that energy in a\Nturbulent fluid at length, R, Dialogue: 0,0:02:18.16,0:02:22.49,Default,,0000,0000,0000,,varies in proportion to \Nthe 5/3rds power of R. Dialogue: 0,0:02:22.49,0:02:24.41,Default,,0000,0000,0000,,Experimental measurements\Nshow Kolmogorov Dialogue: 0,0:02:24.41,0:02:27.80,Default,,0000,0000,0000,,was remarkably close to the \Nway turbulent flow works, Dialogue: 0,0:02:27.80,0:02:30.44,Default,,0000,0000,0000,,although a complete description of\Nturbulence remains Dialogue: 0,0:02:30.44,0:02:33.30,Default,,0000,0000,0000,,one of the unsolved problems in physics. Dialogue: 0,0:02:33.30,0:02:37.52,Default,,0000,0000,0000,,A turbulent flow is self-similar\Nif there is an energy cascade. Dialogue: 0,0:02:37.52,0:02:41.12,Default,,0000,0000,0000,,In ther words, big eddies\Ntransfer their energy to smaller eddies, Dialogue: 0,0:02:41.12,0:02:43.94,Default,,0000,0000,0000,,which do likewise at other scales. Dialogue: 0,0:02:43.94,0:02:47.50,Default,,0000,0000,0000,,Examples of this include Jupiter's\Ngreat red spot, Dialogue: 0,0:02:47.50,0:02:51.41,Default,,0000,0000,0000,,cloud formations and\Ninterstellar dust particles. Dialogue: 0,0:02:51.41,0:02:54.91,Default,,0000,0000,0000,,In 2004, using the Hubble space telescope,\N Dialogue: 0,0:02:54.91,0:03:00.17,Default,,0000,0000,0000,,scientists saw the eddies of a distant\Ncloud of dust and gas around a star, Dialogue: 0,0:03:00.17,0:03:03.84,Default,,0000,0000,0000,,and it reminded them of Van Gogh's \N"Starry Night." Dialogue: 0,0:03:03.84,0:03:07.19,Default,,0000,0000,0000,,This motivated scientists from Mexico, \NSpain and England Dialogue: 0,0:03:07.19,0:03:11.39,Default,,0000,0000,0000,,to study the luminence in Van Gogh's\Npaintings in detail. Dialogue: 0,0:03:11.39,0:03:15.70,Default,,0000,0000,0000,,They discovered that there is a distinct\Npattern of turbulent fluid structures Dialogue: 0,0:03:15.70,0:03:20.80,Default,,0000,0000,0000,,close to Kolmogorov's equation\Nhidden in many of Van Gogh's paintings. Dialogue: 0,0:03:20.80,0:03:23.22,Default,,0000,0000,0000,,The researchers digitized the paintings, Dialogue: 0,0:03:23.22,0:03:26.97,Default,,0000,0000,0000,,and measured how brightness varies between\Nany two pixels. Dialogue: 0,0:03:26.97,0:03:29.69,Default,,0000,0000,0000,,From the curves measured for\Npixel separations, Dialogue: 0,0:03:29.69,0:03:34.46,Default,,0000,0000,0000,,they concluded that paintings from\NVan Gogh's period of psychotic aggetation Dialogue: 0,0:03:34.46,0:03:37.94,Default,,0000,0000,0000,,behave remarkably similar \Nto fluid turbulence. Dialogue: 0,0:03:37.94,0:03:41.100,Default,,0000,0000,0000,,His self portait with a pipe, from\Na calmer period in Van Gogh's life, Dialogue: 0,0:03:41.100,0:03:44.49,Default,,0000,0000,0000,,show no sign of this correspondence. Dialogue: 0,0:03:44.49,0:03:49.60,Default,,0000,0000,0000,,And neither did other artists' work that\Nseemed equally trubulent at first glance, Dialogue: 0,0:03:49.60,0:03:51.65,Default,,0000,0000,0000,,like Munch's 'The Scream." Dialogue: 0,0:03:51.65,0:03:54.70,Default,,0000,0000,0000,,While it's too easy to say Van Gogh's\Nturbulent genius Dialogue: 0,0:03:54.70,0:03:57.09,Default,,0000,0000,0000,,enabled him to depict turbulence, Dialogue: 0,0:03:57.09,0:04:02.03,Default,,0000,0000,0000,,its also far too difficult to accurately\Nexpress the rousing beauty of the fact Dialogue: 0,0:04:02.03,0:04:04.48,Default,,0000,0000,0000,,that in a period of intense suffering, Dialogue: 0,0:04:04.48,0:04:07.93,Default,,0000,0000,0000,,Van Gogh was somehow able to\Nperceive and represent Dialogue: 0,0:04:07.93,0:04:10.36,Default,,0000,0000,0000,,one of the most supremely \Ndifficult concepts Dialogue: 0,0:04:10.36,0:04:13.62,Default,,0000,0000,0000,,nature has ever brought before mankind, Dialogue: 0,0:04:13.62,0:04:15.76,Default,,0000,0000,0000,,and to unite his unique mind's eye Dialogue: 0,0:04:15.76,0:04:20.37,Default,,0000,0000,0000,,with the deepest mysteries\Nof movement, fluid and light.