This meetup group was originally developed to explore the meaning, possibilities and potential of time travel. Many books, movies and TV shows have been created, such as The Time Tunnel and The Time Machine, with fascinating and often absurd notions of how time travel can take place. However, can time travel even exist? If so, what is the potential for mankind?

Together with time travel there are many other fascinating physical "impossibilities" such as teleportation, faster than light travel, perpetual motion machines, etc., but are they really impossible?

The physicist Michio Kaku's classifies physical impossibilities into three categories:

- Class I Impossibilities: Technologies that are impossible today but that do not violate the known laws of physics. The may be possible in this century, or perhaps the next, in modified form. They include teleportation, antimatter engines, certain forms of telepathy, psychokinesis, and invisibility.

- Class II Impossibilities: Technologies that sit at the very edge of our understanding of the physical world. If they are possible at all, they may be realized on a scale of millennia to millions of years in the future. They include time machines, the possibility of hyperspace travel, and travel through wormholes.

- Class III Impossibilities: Technologies that violate the known laws of physics. If they turn out to be possible, they would represent a fundamental shift in our understanding of physics. Kaku's includes in his book only two class III impossibilities: Perpetual Motion Machines, and Precognition.

The goal of our group is to discuss in what degree what we consider today to be "impossible" may some day become possible, and what its implications would be.

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Recent Meetups

  • April 20, 2011 at 6:00 PM, 20 Physics Enthusiasts attended

    Parallel Universes, Lawrence Krauss

    They rated it 5.00 5.001 (1 ratings)

    Lawrence Krauss on Parallel Universes Illinois Science Council is partnering with the Chicago Public Library and the "One Book, One Chicago" program to connect... Learn more
  • February 7, 2010 at 1:30 PM, 4 Physics Enthusiasts attended

    Physics of the Impossible

    They rated it 5.00 5.001 (1 ratings)

    In his book "Physics of the Impossible", Prof. Michio Kaku qualifies Time Travel as a class II impossibility, together with Faster than Light and Parallel Universes. In... Learn more
  • December 13, 2009 at 7:30 PM, 3 Physics Enthusiasts attended

    Joint Meetup: Holiday Celebration

    They rated it 4.50 4.502 (2 ratings)

    I attended primarily to meet the organizers of the Time Travel Meetup. ...

    Steve Bellinger

    Very interesting meeting!

    Miguel A

  • August 19, 2009 at 6:30 PM, 4 Physics Enthusiasts attended

    Movie: Time Traveler's Wife

    They rated it 4.00 4.001 (1 ratings)

    I thought seeing this movie would spark our creative juices to push this group forward. Please go to http://www.youtube.com/watch?v=gu8lYr0kf7g to see the official... Learn more
  • June 27, 2009 at 12:00 PM, 9 Physics Enthusiasts attended

    Lecture by Renowned Northwestern Professor

    They rated it 5.00 5.004 (4 ratings)

    Great and very enlightening lecture!

    Miguel A

    I am excited about having participated in such lecture. His knowledge on the matter exceeded my expectations.

    Silvia

See all past Meetups

What's new

  • New Member
    Jimmy Jimmy joined
    Tuesday at 8:48 PM
    Jimmy
    "I am a geologist and want to explore the limits of science"
  • New Member
    Retroneon Retroneon joined
    January 30 at 3:26 AM
    Retroneon
    "Hi!"
  • New Discussion
    Miguel A Miguel A started Event cloaking device.
    January 26 at 5:09 PM
    Miguel A

    "About a year ago a team of researchers showed how to cloak an event in spacetime using metamaterials with sophisticated properties...."

    Read more…

  • New Member
    Wei Xuan Wei Xuan joined
    January 19 at 1:49 AM
    Wei Xuan
    "I like physics! And I am interested in Time Travel since I was young."
  • New Member
    keto keto joined
    November 28, 2011 at 12:07 PM
    keto
    "I love physics and I love to learn."
  • New Member
    Aiko Igarashi Aiko Igarashi joined
    November 21, 2011 at 10:22 AM
    Aiko Igarashi
    "hi, i've always been interested in time travel after reading h.g. wells. also interested in teleportation after watching star trek."
  • New Member
    Saudade Saudade joined
    November 14, 2011 at 5:22 PM
  • New Member
    Eric Weimer Eric Weimer joined
    November 10, 2011 at 8:30 AM
  • New Member
    E Liu E Liu joined
    November 8, 2011 at 7:15 PM
  • New Member
    Danabug Danabug joined
    November 7, 2011 at 5:32 PM
    Danabug
    "Physics befuddles me. I want to love it, but I don't understand it. And yet I work in the tech industry and fully understand technical concepts pretty easily. Hoping that by soaking up peer learning that it will finally all make sense..."
 
Time Travel and Physics of the Impossible http://photos3.meetupstatic.com/photos/event/d/e/b/f/global_13437023.jpeg
Founded Oct 13, 2008
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