Why Can't We See Evidence of Alien Life?
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Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answers to this question are numerous and intriguing, alarming and hopeful. (Part of the series "Questions no one knows the answers to"... Read more
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- -: Why Can't We See Evidence of Alien Life?
March 12, 2012 (about 12 years ago)Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answers to this question are numerous and intriguing, alarming and hopeful. (Part of ...
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- -: Bill Nye: How to Talk to an Alien
March 2, 2012 (about 12 years ago)~~~~~~~~~~~ http://bigthink.com/ ~~~~~~~~~~~ What would you say to an alien? Big Think turned to Bill Nye, aka, 'The Science Guy,' who heads The Planetary Society, an organization that fosters ways for the public to be actively involved in space exploration, including the search for extraterr...
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- -: Interstellar Travel: Will We Ever Get Out of the Solar System?
January 12, 2012 (over 12 years ago)Complete video at: http://fora.tv/2010/08/02/Martin_Rees_Lifes_Future_in_the_Cosmos Astronomer Royal Martin Rees examines the various options for colonizing worlds beyond our own solar system, and expresses skepticism that humanity will ever achieve faster-than-light travel. "There are hypotheti...
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- -: Stephen Petranek: 10 ways the world could end
October 11, 2007 (over 16 years ago)http://www.ted.com How might the world end? Stephen Petranek lays out the challenges that face us in the drive to preserve the human race. Will we be wiped out by an asteroid? Eco-collapse? How about a particle collider gone wild? TEDTalks is a daily video podcast of the best talks and performan...
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- -: Roy Gould: WorldWide Telescope
February 29, 2008 (about 16 years ago)http://www.ted.com Science educator Roy Gould and Microsoft's Curtis Wong give an astonishing sneak preview of Microsoft's new WorldWide Telescope -- a technology that combines feeds from satellites and telescopes all over the world and the heavens, and weaves them together holistically to buil...
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- -: Stephen Hawking: Asking big questions about the universe
April 4, 2008 (about 16 years ago)http://www.ted.com Professor Stephen Hawking asks some big questions about our universe -- How did the universe begin? How did life begin? Are we alone? -- and discusses how we might go about answering them. TEDTalks is a daily video podcast of the best talks and performances from the TED Confer...
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- -: Sir Martin Rees: Earth in its final century?
April 15, 2008 (about 16 years ago)http://www.ted.com In a taut soliloquy that takes us from the origins of the universe to the last days of a dying sun 6 billion years later, renowned cosmologist Sir Martin Rees explains why the 21st century is a pivotal moment in the history of humanity: the first time in history when we can ma...
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- -: Freeman Dyson: Let's look for life in the outer solar system
July 14, 2008 (almost 16 years ago)http://www.ted.com Physicist Freeman Dyson suggests that we start looking for life on the moons of Jupiter and out past Neptune, in the Kuiper belt and the Oort cloud. He talks about what such life would be like -- and how we might find it.
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- -: John Hodgman: A brief digression on matters of lost time
October 21, 2008 (over 15 years ago)http://www.ted.com Humorist John Hodgman rambles through a new story about aliens, physics, time, space and the way all of these somehow contribute to a sweet, perfect memory of falling in love.
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- -: Peter Ward: Earth's mass extinctions
January 28, 2009 (over 15 years ago)http://www.ted.com Asteroid strikes get all the coverage, but "Medea Hypothesis" author Peter Ward argues that most of Earth's mass extinctions were caused by lowly bacteria. The culprit, a poison called hydrogen sulfide, may have an interesting application in medicine. TEDTalks is a daily video ...
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