1. © 2002 The SETI League, Inc. All Rights Reserved 

2. © 2002 The SETI League, Inc. All Rights Reserved  AreWeAlone?

3. © 2002 The SETI League, Inc. All Rights Reserved  Are They Alone?

4. © 2002 The SETI League, Inc. All Rights Reserved  Birth of Radio Astronomy Karl Jansky Karl Jansky Bell Labs, 1932 Bell Labs, 1932 Bruce Array Bruce Array Cosmic Static Cosmic Static

5. © 2002 The SETI League, Inc. All Rights Reserved  Amateur Science Grote Reber, W9GFZGrote Reber, W9GFZ 10 meter dish, 193710 meter dish, 1937 first true radio telescopefirst true radio telescope first Milky Way mapfirst Milky Way map

6. © 2002 The SETI League, Inc. All Rights Reserved  So What’s A SETI?

7. © 2002 The SETI League, Inc. All Rights Reserved  Searching for Inter- Stellar Communication

8. © 2002 The SETI League, Inc. All Rights Reserved  Project Ozma Frank D. Drake Green Bank WV, 1960 Green Bank WV, 1960 Two Sun-like Stars Two Sun-like Stars Order of the Dolphin Order of the Dolphin

9. © 2002 The SETI League, Inc. All Rights Reserved  The Drake Equation

10. © 2002 The SETI League, Inc. All Rights Reserved  Big Ear

11. © 2002 The SETI League, Inc. All Rights Reserved Mom?

12. © 2002 The SETI League, Inc. All Rights Reserved Wow!

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14. © 2002 The SETI League, Inc. All Rights Reserved  Could It Be a Hoax?

15. © 2002 The SETI League, Inc. All Rights Reserved  The Microwave Window

16. © 2002 The SETI League, Inc. All Rights Reserved  Extra-Solar Planets?

17. © 2002 The SETI League, Inc. All Rights Reserved  Habitable Zones Stable Orbits Rocky Shores Rocky Shores Nitrogen Skies Nitrogen Skies Liquid Water Liquid Water

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19. © 2002 The SETI League, Inc. All Rights Reserved  Life in the Universe Planets Abundant Planets Abundant Liquid Water Liquid Water Organic Molecules Organic Molecules Microbial Life Microbial Life

20. © 2002 The SETI League, Inc. All Rights Reserved  Complex Life?

21. © 2002 The SETI League, Inc. All Rights Reserved  Intelligent Life?

22. © 2002 The SETI League, Inc. All Rights Reserved  What Does It Take? Once, facilities only Once, facilities only governments could governments could afford afford In fact, the kinds not even In fact, the kinds not even governments can afford governments can afford New paradigm: SETI New paradigm: SETI with what you can afford with what you can afford

23. © 2002 The SETI League, Inc. All Rights Reserved  The SETI League, Inc: GlobalGlobal Grass-rootsGrass-roots NonprofitNonprofit A New Kind of Ham Club

24. © 2002 The SETI League, Inc. All Rights Reserved  Do It Yourself SETI

25. © 2002 The SETI League, Inc. All Rights Reserved  Project Argus Launched 21 April 1996 Initially, 5 radio telescopes Our Goals: Our Goals: 5000 small dishes 5000 small dishes Coordinated via Coordinated via the Internet the Internet All directions at once All directions at once

26. © 2002 The SETI League, Inc. All Rights Reserved  Going Global

27. © 2002 The SETI League, Inc. All Rights Reserved Array2k

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29. © 2002 The SETI League, Inc. All Rights Reserved  Arecibo Tests

30. © 2002 The SETI League, Inc. All Rights Reserved  Extra-Terrestrial QSL

31. © 2002 The SETI League, Inc. All Rights Reserved  ETCC

32. © 2002 The SETI League, Inc. All Rights Reserved  Honor Roll

33. © 2002 The SETI League, Inc. All Rights Reserved  Symposia

34. © 2002 The SETI League, Inc. All Rights Reserved  How To Join Us www.setileague.orgjoin@setileague.org 1 (800) TAU-SETI

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36. © 2002 The SETI League, Inc. All Rights Reserved  There are so many successful musicians with no talent... Why can’t I be one of them?