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Participants, interested people that want to experience what extreme environments are like, whether it's in the aircraft or in space, and we put them through some simulations and training here. so for commercial space, those people that are buying tickets to go up and see the earth from a whole new perspective, they will need to endure g-forces and different types of physiological effects they need to prepare for and train for in a safe environment such as nastar. all right. let's get you suited up. pop that collar. ready to go. this is where the magic happens. you're all strapped in, all buck...

They are designed to activate when there is a g-force. these elts are activated with a g-force. so if you -- let's say you ditched in the water just like the u.s. air flight did in the hudson, you're not going to have enough g-forces to activate the elts. if you hit the water really hard and the airplane sinks right away, then by the time those radio transmitters get underneath the water, the radio waves are not going to be able to propucgate. >> it subject sound like it's that big of a development then. thank you so much. the search continues underwater for the missing jet. that doesn't mea...

To -- this is 40,000 feet per minute, approaching 700 miles an hour. the plane would be breaking apart at this point. >> reporter: this is where stuff is falling off the aircraft at this point. it would make it almost impossible to fly, which then that brings us to the next thing, trying to level off to think that this airplane was then reported to level off at 23,000 feet, it's hard to believe it was still structurally in tact to do that. and then the g-forces alone on the passengers would be -- >> astronomical. >> reporter: almost to the point of lethal. so that's why when you put it through...

Dropping at over 20 feet per minute. we're about selaskboulaska sell. and so the plane would be ripping apart. >> we're going so fast. the fact that after that, the reportedly, the plane somehow levels off, that's what's really hard to believe and then to even try to contemplate what's going on back in the passenger section. the g-forces, the extreme sensations they'd have, it could almost be lethal for the passengers back there. and then we start talking about other factors, "the wall street journal" is reporting they believe there could have been two conspirators here. one who is flying the ...

Over a cushion of air, like air hockey puck at speeds over 700 miles an hour. phillip ross, senior he had are to have ieee spectrum magazine. nice to see you, buddy. right on. for our viewers at home we'll rewind some of the graphics and animation. you will tell us what is doable and suitable. what is this? >> this is the version released by elon musk. it sucks air from the beginning of tube and pushes it through the floor or in the back. i'm not sure about that. look like skis. they both, protect the thing from the side of the wall and also draw energy from it. in the form of kind of a linear...