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  1. #1
    Super Moderator Allen's Avatar
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    Sears Tower unveils 103rd floor glass balconies

    Source

    CHICAGO (AP) Visitors to the Sears Tower's new glass balconies all seem to agree: The first step is the hardest.
    The balconies are suspended 1,353 feet in the air and jut out four feet from the building's 103rd floor Skydeck. Their transparent walls, floor and ceiling leave visitors with the impression they're floating over the city.







    All I can say is not just no, but hell naw.
    No way, no how.

    Get to feel the building swaying too.
    I wouldn't even walk by one of those things.

  2. #2
    Senior Member cyclezealot's Avatar
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    Something similiar to ( a glass walk) this has been built overlooking the Grand Canyon.. I'd do neither.
    Pray for the Dead and Fight like Hell for the Living









    ^ Since June 16, 2011

  3. #3
    Free Velo Vol! Velo Vol's Avatar
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    Four feet isn't very far.

    The balconies can hold five tons, and the glass is an inch-and-a-half thick, officials said.
    1.5" glass can support five tons?

  4. #4
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    Havent you seen the star trewk movies? It's secretly transparent aluminum, the government doesn't want us to know. It can evidently support sea water and humpback whales.

  5. #5
    AEO
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    since I'm acrophobic, I'd never be there.
    Food for thought: if you aren't dead by 2050, you and your entire family will be within a few years from starvation. Now that is a cruel gift to leave for your offspring. ;)
    http://sanfrancisco.ibtimes.com/arti...ger-photos.htm

  6. #6
    Senior Member cyclezealot's Avatar
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    Whose read the report a small asteroid passed thru the hand of a German teenager.. Anyone completed studies on the ability of the glass balcony to withstand metrorite impacts.? Could happen.?
    ..
    A YOUNG boy will be his mates' hero for a long time after survivng a direct hit by a meteorite, travelling at nearly 50,000 kilometers per hour.

    Fourteen-year-old Gerrit Blank was hit in the hand by a pea-sized meteorite that left him in severe pain and with a three-inch scar

    http://www.news.com.au/story/0,27574...-13762,00.html
    Pray for the Dead and Fight like Hell for the Living









    ^ Since June 16, 2011

  7. #7
    Domestic Domestique UnsafeAlpine's Avatar
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    Quote Originally Posted by AEO View Post
    since I'm acrophobic, I'd never be there.
    You're afraid of acrobats too?

  8. #8
    Super Moderator Allen's Avatar
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    Quote Originally Posted by cyclezealot View Post
    Whose read the report a small asteroid passed thru the hand of a German teenager.. Anyone completed studies on the ability of the glass balcony to withstand metrorite impacts.? Could happen.?
    ..
    A YOUNG boy will be his mates' hero for a long time after survivng a direct hit by a meteorite, travelling at nearly 50,000 kilometers per hour.

    Fourteen-year-old Gerrit Blank was hit in the hand by a pea-sized meteorite that left him in severe pain and with a three-inch scar

    http://www.news.com.au/story/0,27574...-13762,00.html
    I'll accept that he was hit by shrapnel from the meteorite hitting the ground, but I'm not buying that something moving at >45,000 feet a second wouldn't have vaporized the kid's arm.

  9. #9
    AEO
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    Quote Originally Posted by UnsafeAlpine View Post
    You're afraid of acrobats too?
    I much prefer gymnasts
    Food for thought: if you aren't dead by 2050, you and your entire family will be within a few years from starvation. Now that is a cruel gift to leave for your offspring. ;)
    http://sanfrancisco.ibtimes.com/arti...ger-photos.htm

  10. #10
    Footballus vita est iamlucky13's Avatar
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    Quote Originally Posted by Velo Vol View Post
    1.5" glass can support five tons?
    The loads on the windows at major aquariums are actually a lot more than that. Look at the picture of this balcony though. It's suspended from steel framework over your head, so it doesn't impede the view.

    This is probably some sort of polycarbonate rather than real glass, which has a yield strength of over 8000 psi. A slice of that sort of material less than an inch wide will support five tons. It could also be tempered or layered glass.

    However, there will be stress concentrations around the fasteners, plus a designed-in factor of safety, so the structure sees nowhere near that much stress. A professional engineer had to place his career on the line to sign off on the design in order for it to get built. It's probably far safer than your front porch.

    Quote Originally Posted by cyclezealot
    Whose read the report a small asteroid passed thru the hand of a German teenager.. Anyone completed studies on the ability of the glass balcony to withstand metrorite impacts.? Could happen.?
    ..
    A YOUNG boy will be his mates' hero for a long time after survivng a direct hit by a meteorite, travelling at nearly 50,000 kilometers per hour.

    Fourteen-year-old Gerrit Blank was hit in the hand by a pea-sized meteorite that left him in severe pain and with a three-inch scar

    http://www.news.com.au/story/0,27574...-13762,00.html
    Meteors that small don't have enough energy to maintain any meaningful velocity by the time they reach the ground. Drag slows them down to terminal velocity, which depending on density and size is usually about 100-200 mph. It's probably about like getting shot by a BB gun.

    It's also the only recorded case in the entire history of the world of a person getting hit directly by a meteor. Likewise, damage to buildings from meteors is extremely rare and generally not very severe.

    The biggest risk is probably from the guys who have to the wash the windows from the outside.


    I'd walk out on it with little more consideration than a second glance. Same for the transparent walkway over the edge of the Grand Canyon, except I guess that's on private land and they charge an arm, a leg, and a couple barrels of crude oil to see it.
    "The internet is a place where absolutely nothing happens. You need to take advantage of that." ~ Strong Bad

  11. #11
    Bike ≠ Car ≠ Ped. BarracksSi's Avatar
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    I'd go out there. Looks WAY cool. I'd go onto the Grand Canyon glass bridge, too. The CN Tower in Toronto has a glass floor section, and the ground is so far away that it doesn't even look 3D. I think I remember a glass floor on part of the Eiffel Tower, too. There's also a scenic overlook in Norway that I want to visit that looks kind of like a logging trough that drops away over a cliff -- there's only a couple glass panes to block things from falling overboard.

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    I'd like to see more balconies like that. It definitely is something new and interesting to go see.

  13. #13
    Senior Member Michigander's Avatar
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    I'd be okay with the heights aspect, but me visiting would actually require me to set foot in Chicago, which is about as unlikely as a thing can be.
    Bring back the Sig Test!


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  14. #14
    Senior Member Ted Danson's Avatar
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    Who cleans the outside part?
    Merton Enthusiast

  15. #15
    Chief Slacking Officer ms.gio's Avatar
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    I would like to go (being under 10 min away from Sears Tower) but I'm slightly afraid of heights so we shall see.
    Quote Originally Posted by x136 View Post
    Giolander: There can be only one.
    Giodome: Several impostors enter, only the real one leaves?

  16. #16
    BF's Level 12 Wizard SingingSabre's Avatar
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    I don't do heights...or swaying buildings.

    I got on the observation deck on one of the Twin Towers in 2000...scariest experience I've had. Never again.
    Shameless plug (my sites):
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    Quote Originally Posted by Bklyn
    Obviously, the guy's like a 12th level white wizard or something. His mere presence is a danger to mortals.

  17. #17
    Super Moderator Allen's Avatar
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    Quote Originally Posted by ms.gio View Post
    I would like to go (being under 10 min away from Sears Tower) but I'm slightly afraid of heights so we shall see.
    Pictures please.

  18. #18
    Super Moderator Allen's Avatar
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    Quote Originally Posted by Ted Danson View Post
    Who cleans the outside part?
    They retract for the robot window washers. Seriously.

  19. #19
    I can't find my pants mirona's Avatar
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    Quote Originally Posted by Michigander View Post
    I'd be okay with the heights aspect, but me visiting would actually require me to set foot in Chicago, which is about as unlikely as a thing can be.
    Why's that? Are you wanted there?

  20. #20
    Sore saddle cyclist Shifty's Avatar
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    It would be a fun place to do the nasty at noon....a nooner don't ya know.
    Those voices in your head aren't real, but they have some great ideas

  21. #21
    Look! My Spine! RubenX's Avatar
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    No effing way! No... negative... never...

  22. #22
    Administrator CbadRider's Avatar
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    I did not see the roll of paper towels to clean up after people pee themselves after walking out there.

    No. Way.
    Quote Originally Posted by RPK79 View Post
    Does the ignore feature just replace all of the poster's text with "Said something stupid" because that would be awesome.
    Forum Guidelines *click here*

  23. #23
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    Looks like fun. Finally a reason to visit Chicago...or not.

  24. #24
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    I would do it in a trice and tap dance on the glass floor, as well.
    Regards, MillCreek
    Snohomish County, Washington USA

  25. #25
    Footballus vita est iamlucky13's Avatar
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    Quote Originally Posted by AllenG View Post
    They retract for the robot window washers. Seriously.
    That's kind of fun. It will be more fun in 10 years when the seals on the windows need replacing, but that's part of the cost of such a novelty.
    "The internet is a place where absolutely nothing happens. You need to take advantage of that." ~ Strong Bad

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