Doors are some actively age-old tech but they accept this botheration area they can alone accumulate humans out if they're closed. This camp but able yield on the "revolving door" by a aggregation alleged Barbecan, on the added hand, aims to get you inside, but simultaenously accumulate any ne'er-do-wells out. Specifically ne'er-do-wells with bombs and guns.
This system, which Barbecan calls the "Linear Revolving Door" works by encasing every aspirant to a architecture aural his or her own little clandestine corpuscle on the way in. While they're in there, sensors analysis for accoutrements or bombs or whatever bad account you ability be able to detect, and if the after-effects are positive, the beeline revolving aperture can either allurement the ambition in there, or about-face to discharge him out. It helps to see what it would attending like in action.
While it seems like the Beeline Revolving Aperture could be effective, it's aswell got none of the artlessness of acceptable doors. And man would it blot if the automated doors that are advised to accommodate bombers and apache breach down and will not open. And that's to say annihilation of expense. Still, a arrangement like this could be appealing advantageous in decidedly top accident areas. Don't apprehend to see it any time anon though; Barbecan is just in the patenting date of this one. But if crazy spurts of abandon accumulate up, again you can brainstorm something like this is traveling to appearance up eventually. [Barbecan via Discovery]
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