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Sunbursts

Sunbursts. A multimedia installation. By: ATHENA TACHA, sculptor (Washington, D.C.) JEAN-FRANCOIS HOCHEDEZ, solar physicist (Brussels) With digital music by JOSHUA FRIED, composer (New York) and digital films of the Sun by BOGDAN NICULA, electronics engineer (Brussels).

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Sunbursts

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  1. Sunbursts

  2. A multimedia installation By: ATHENA TACHA, sculptor (Washington, D.C.) JEAN-FRANCOIS HOCHEDEZ, solar physicist (Brussels) With digital music by JOSHUA FRIED, composer (New York) and digital films of the Sun by BOGDAN NICULA, electronics engineer (Brussels)

  3. The Sun is a colossal sphere of hydrogen and helium gas that holds itself together through the miraculous balance of its thermonuclear pressure and the pull of gravity.

  4. It generates constantly abundant radiation, not only in “daylight”, the extremely narrow electromagnetic waveband visible to human eyes.

  5. The Sun radiates profusely in many more wavelengths, from infrared to ultraviolet and gamma rays (aside from emitting infinite neutrinos that cannot be perceived).

  6. Another extreme ultraviolet image: 195 A (Fe XII, 1.5 MK)

  7. Solar magnetic activity (Sun spots, flares, coronal ejections), which peaked around the year 2001, is one of the most important cosmic cycles in our local universe.

  8. The Sun heats, illuminates and bathes with its wind all the planets captive to its gravity;yet only on Earth life developed and human consciousness is experiencing the Sun’s Immanence.

  9. The installation SUNBURSTS, using only images of the Sun’s invisible radiations, will stimulate a fresh awareness of it and render palpable our communion with it.

  10. In the middle of a darkened interior, a fog machine will emit bursts of thick fog at regular intervals. It will be surrounded by four large voile screens, placed diagonally to the walls. (See next slide.)Four digital video projectors installed at the corners of the ceiling will project towards the center, onto the screens and through them on the fog cloud, time-lapse films of the Sun’s activity photographed by the Extreme UV Imaging Telescope of SoHO. Each projector will show the activity of one year, from 2000 to 2003 in a different color, e.g., blue, green, yellow and red.The images of the films will be focused on each screen, and then will blend their colors on the central fog as unfocussed overlapping circles. (See next slide.)

  11. Four different soundtracks will accompany the projected films, mapping Sun data to sound and also using the Sun’s “music” -- subaudible noise of its surface turbulence.

  12. Spectators will be able to walk around the four screens as well as inside them, projecting their partial shadows on the screens or on the fog.

  13. Dynamic and interactive, yet spiritual; immaterial, yet sensorially fulfilling; …

  14. …experienced in real space-time, yet ellusive and ambiguous: …

  15. …this installation will recreate the glory of light as perceived in Aghia Sophia.

  16. With its four projected images -- like medieval rose windows -- looking onto the invisible Sun...

  17. SUNBURSTS will recall the divine status that our self-generating star had in many past cultures, over the millennia of human history.

  18. Credits:PowerPoint presentation and photographs of the installation’s model: Athena TachaPhotographs of the Sun in extreme UV: Jean-Francois HochedezSound-track samples: Joshua FriedSources of other photographs of the Sun: NASA TRACE SXT/Yohkoh

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