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NOVA scienceNOW | NOVA Short | An Elevator to Space

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Uploaded by on Jul 17, 2007

Join NOVA scienceNOW host Neil deGrasse Tyson as he visits the LiftPort Group in Bremerton, Washington. The entrepreneurs and engineers at LiftPort think space elevators aren't just a wild idea; they've staked their corporation on the concept. NOVA scienceNOW airs five Tuesdays a year on PBS and is available for viewing 365 days a year online.

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  • The crawler is the easy bit. It's making the cable that's difficult because it requires materials with a tensile strength we cannot yet make in the quantity required economically.

  • 22,000 miles is geosynchronous orbit. The tower has to have its end-point there so that the whole thing rotates with the earth. Well, actually, the counter-weight has to be a little beyond the geosynch point.

  • Major fucking disaster if one of those things dropped. A very inviting target for terrorists. Particularly the religious crazies who would probably view it as a second tower of Babel.

    I don't think the human race will ever become mature enough that we could risk building one of those. Which is a great pity, because it's a very efficient way to get to space (particularly with regenerative braking on the way down).

  • whats the 22,000 miles bit? its only like 75 miles to leave our atmosphere

  • Terrorists. Tornadoes.

  • This is a fact:

    Within 50 years Their will be thoes elevators or some type of them, a better type of hover crafts, little more nutular bombs, more ecomny for the U.S.A and the world would start to be as a whole as they start to wounder into space where we will die and secs to be ever alive lmfao! jk but who knows everything possible

    your friend

    COE Of Nasa

  • hmmm.. u never know. 80 yrs ago the internet would have sounded like magic. Not to mention iphones.

  • That thing they had didn't look as advanced as you think it would be.

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