Tweets in Spacea project by Scott Kildall and Nathaniel Stern                    LASER                 San Francisco      ...
Second Front — performance art group in Second Life
Uncertain Location Video and Prints      2007
Gift Horse (in collaboration with Victoria Scott)         Sculpture, Public Performance                      2010
2049 — Play the role of a Future ProspectorArtist in Residence at the Dump (Recology SF)
Wikipedia ArtIntervention (in collaboration with Nathaniel Stern)                        2009
work that the public performs but also performs the public
Ideal conditions to support         alien life
Ideal conditions to support         alien life         (we think)
gettingofftheplanet.org
September 19-27, 2012Albuquerque, New Mexico
Send a tweet with #TweetsInSpace
Being human is ok, but I wish therewere alternatives. #TweetsInSpace
Meat or Pets? #tweetsInSpace
I choose pets, but does this presupposeself-awareness? I think yes. #TweetsInSpace
trans-human or trans-alien, what is youstake in self-augmentation? #tweetsInSpace
We wonder about your DNA? #gattaca #TweetsInSpace
real-time performance of      live discussion
www.tweetsinspace.org
aliens in popular culture —   reflection of ourselves
popular culture
popular culture
popular culture
Good Alien             Bad Alien  Should we attempt contact?
what would we say to them?
A brief history* ofdeep-space transmissions     * this is by no means complete
Interstellar Radio Messages (IRMs)               METI (messaging to extra terrestrial intelligence)1. Where to signal.2. W...
Morse Message (1962)                                  Target:Venus                                  Transmission:         ...
Arecibo Message (1972)                              Target: M13     1. The numbers one (1) through ten (10)     2. The ato...
Teen Age Message (2001)                Target: 6 different systems          First transmission of music, including the “1s...
Cosmic Call (1999, 2003)                    Target: 8 different systems              Contents include:              * Inte...
Across the Universe (2008)                                       Target: Polaris                             Beatles song,...
who decides what getstransmitted to potential     alien cultures?
Pioneer PlaquesPlaced on Pioneer 10 & 11 (1972-73)
trusting in selective institutions   to make these decisions.
A Message from Earth (2008)                                   Target: Gliese 581c                             501 Messages...
Hello from Earth (2009)                          Target: Gliese 581d                  thousands of messages selected from ...
Tweets in Space:uncurated, conversation
Why Tweets in Space?           1. Democratic 2. Self-reflexivity of Twitterverse      3. Unique Performance4. Massive disco...
Habitable Zone / “Goldilocks” Planets             Liquid Water  Stable orbiting of a star (or two)  Axial Tilt — formation...
DIY ProjectOpen Source   ~25K
Features of Gliese 667Cc (a.k.a. GJ667Cc)       22 light years from Earth   orbits a dwarf star (Gliese 667C)         — 37...
DIY ProjectOpen Source   ~25K
Currently working on stage 1 prototype   DIY Project   Open Source      ~25K
DIY ProjectOpen Source   ~25K
DIY ProjectOpen Source   ~25K
Advantages of optical (laser)          messaging:      1. access — license-free 2. cheap — small, easy to set-up3. new — h...
Technical Challenges
Technical Challenges1. High-powered Laser
DIY ProjectOpen Source   ~25K
Calculating beam coherence / photonic flux1 Watt Laser @ 1.5 mRad beam divergence1.5 milliradians = 0.086 degrees          ...
Calculating photonsThe energy of each photon from a 532 nm laser isE = hc/lambda = 6.626e-34*2.998e8/532e-9 =3.7340e-19 Jo...
Aliens could have advancedlistening and/or pattern-recognition             technology
Technical Challenges1. High-powered Laser2. Safety
DIY ProjectOpen Source   ~25K
DIY ProjectOpen Source   ~25K
DIY ProjectOpen Source   ~25K
Technical Challenges1. High-powered Laser2. Safety3. Accuracy
DIY ProjectOpen Source   ~25K
DIY ProjectOpen Source   ~25K
Stage 1 Prototype
Makes us deeply considerour online communication.
I have to say, when I went to Twitter and sawthat no one had yet used the #tweetsinspacehashtag, I couldnt bring myself to...
Thank you.#tweetsInSpace
Links Tweets In Space website: tweetsinspace.org          Scott Kildall: kildall.com     Nathaniel Stern: natanielstern.co...
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
Scott Kildall on "Tweets in Space" at a LASER
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Scott Kildall on "Tweets in Space" at a LASER

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Scott Kildall on "Tweets in Space" at a LASER

  1. 1. Tweets in Spacea project by Scott Kildall and Nathaniel Stern LASER San Francisco March 2012 tweetsinspace.org
  2. 2. Second Front — performance art group in Second Life
  3. 3. Uncertain Location Video and Prints 2007
  4. 4. Gift Horse (in collaboration with Victoria Scott) Sculpture, Public Performance 2010
  5. 5. 2049 — Play the role of a Future ProspectorArtist in Residence at the Dump (Recology SF)
  6. 6. Wikipedia ArtIntervention (in collaboration with Nathaniel Stern) 2009
  7. 7. work that the public performs but also performs the public
  8. 8. Ideal conditions to support alien life
  9. 9. Ideal conditions to support alien life (we think)
  10. 10. gettingofftheplanet.org
  11. 11. September 19-27, 2012Albuquerque, New Mexico
  12. 12. Send a tweet with #TweetsInSpace
  13. 13. Being human is ok, but I wish therewere alternatives. #TweetsInSpace
  14. 14. Meat or Pets? #tweetsInSpace
  15. 15. I choose pets, but does this presupposeself-awareness? I think yes. #TweetsInSpace
  16. 16. trans-human or trans-alien, what is youstake in self-augmentation? #tweetsInSpace
  17. 17. We wonder about your DNA? #gattaca #TweetsInSpace
  18. 18. real-time performance of live discussion
  19. 19. www.tweetsinspace.org
  20. 20. aliens in popular culture — reflection of ourselves
  21. 21. popular culture
  22. 22. popular culture
  23. 23. popular culture
  24. 24. Good Alien Bad Alien Should we attempt contact?
  25. 25. what would we say to them?
  26. 26. A brief history* ofdeep-space transmissions * this is by no means complete
  27. 27. Interstellar Radio Messages (IRMs) METI (messaging to extra terrestrial intelligence)1. Where to signal.2. When to signal.3. The wavelength of the signal.4. What polarization should be used.5. The power of the transmitted radio emission.6. What modulation should be used. Use radio telescopes as transmitters
  28. 28. Morse Message (1962) Target:Venus Transmission: MIR LENIN SSSRMorse Message Transmitter, 1962 Evpatoria Planetary Radar
  29. 29. Arecibo Message (1972) Target: M13 1. The numbers one (1) through ten (10) 2. The atomic numbers of the elements hydrogen, carbon, nitrogen, oxygen, and phosphorus, which make up deoxyribonucleic acid (DNA) 3. The formulas for the sugars and bases in the nucleotides of DNA 4. The number of nucleotides in DNA, and a graphic of the double helix structure of DNA 5. A graphic figure of a human, the dimension (physical height) of an average man, and the human population of Earth 6. A graphic of the Solar System 7. A graphic of the Arecibo radio telescope and the dimension (the physical diameter) of the transmitting antenna dish Arecibo Message, November 1972Sent to global star cluster M13 25,000 light years away
  30. 30. Teen Age Message (2001) Target: 6 different systems First transmission of music, including the “1st Theramin Concert for Aliens” — 7 sections composed by Russian teenagersSent from RT-70 in Yevpatoria
  31. 31. Cosmic Call (1999, 2003) Target: 8 different systems Contents include: * Interstellar Rosetta Stone * Copy of Arecibo Message * 282 Flags of the World * “Starman” song by David Bowie * Music by KFT (Hungarian Rock Band) * Drawings by Ukranian schoolchildrenCosmic Call, Privately funded messages Sent from RT-70 in Yevpatoria
  32. 32. Across the Universe (2008) Target: Polaris Beatles song, “Across the Universe” NASASent from Deep Space Network, Madrid
  33. 33. who decides what getstransmitted to potential alien cultures?
  34. 34. Pioneer PlaquesPlaced on Pioneer 10 & 11 (1972-73)
  35. 35. trusting in selective institutions to make these decisions.
  36. 36. A Message from Earth (2008) Target: Gliese 581c 501 Messages gathered in competition on social networking site Bebo.comSent from RT-70 in Yevpatoria
  37. 37. Hello from Earth (2009) Target: Gliese 581d thousands of messages selected from submissions to website approved by COSMOS magazine Hello from EarthSent from NASA Deep Space Station 43 dish
  38. 38. Tweets in Space:uncurated, conversation
  39. 39. Why Tweets in Space? 1. Democratic 2. Self-reflexivity of Twitterverse 3. Unique Performance4. Massive discovery of exoplanets 5. Custom-built Laser
  40. 40. Habitable Zone / “Goldilocks” Planets Liquid Water Stable orbiting of a star (or two) Axial Tilt — formation of seasonsObjections: could support an alternatebiochemistry, e.g. methane or ammonia
  41. 41. DIY ProjectOpen Source ~25K
  42. 42. Features of Gliese 667Cc (a.k.a. GJ667Cc) 22 light years from Earth orbits a dwarf star (Gliese 667C) — 37% size of the Sun 28 days to orbit its star mass is 3.9 times that of Earth“habitable” planet, probably liquid water
  43. 43. DIY ProjectOpen Source ~25K
  44. 44. Currently working on stage 1 prototype DIY Project Open Source ~25K
  45. 45. DIY ProjectOpen Source ~25K
  46. 46. DIY ProjectOpen Source ~25K
  47. 47. Advantages of optical (laser) messaging: 1. access — license-free 2. cheap — small, easy to set-up3. new — hasn’t been done before
  48. 48. Technical Challenges
  49. 49. Technical Challenges1. High-powered Laser
  50. 50. DIY ProjectOpen Source ~25K
  51. 51. Calculating beam coherence / photonic flux1 Watt Laser @ 1.5 mRad beam divergence1.5 milliradians = 0.086 degrees DIY Project Open Source ~25K sterians))^-1 /1 Watt * ((1.5e-3 rad)^2/(4*pi(22*9.4e15 meters)^2 =  1.3e-28 W/m^2
  52. 52. Calculating photonsThe energy of each photon from a 532 nm laser isE = hc/lambda = 6.626e-34*2.998e8/532e-9 =3.7340e-19 Joules DIY Project Open SourceWith a flux of 1.3e-28 W/m^2 for that beam,you would have 1.3e-28/3.7340e-19 = ~25Kmeter^2) at the3.4815e-10 photons/(secondexoplanet.Very larger receiver = 44,000 photons/second
  53. 53. Aliens could have advancedlistening and/or pattern-recognition technology
  54. 54. Technical Challenges1. High-powered Laser2. Safety
  55. 55. DIY ProjectOpen Source ~25K
  56. 56. DIY ProjectOpen Source ~25K
  57. 57. DIY ProjectOpen Source ~25K
  58. 58. Technical Challenges1. High-powered Laser2. Safety3. Accuracy
  59. 59. DIY ProjectOpen Source ~25K
  60. 60. DIY ProjectOpen Source ~25K
  61. 61. Stage 1 Prototype
  62. 62. Makes us deeply considerour online communication.
  63. 63. I have to say, when I went to Twitter and sawthat no one had yet used the #tweetsinspacehashtag, I couldnt bring myself to be the first.What would I say? While this seems like a fun, light, creative experiment -- it stopped me dead in my Tweeting tracks, too. Interesting.
  64. 64. Thank you.#tweetsInSpace
  65. 65. Links Tweets In Space website: tweetsinspace.org Scott Kildall: kildall.com Nathaniel Stern: natanielstern.comGetting off the Planet: gettingofftheplanet.org ISEA 2012: isea2012.org email: scott@kildall.com Twitter: @kildall
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