A first-person simulation shows just how terrifying it would be to ride the 'euthanasia rollercoaster' that is designed to kill everyone onboard.
Lithuanian engineer Julijonas Urbonas came up with the award-winning hypothetical design in 2010, and it became commonly referred to as the 'hypothetic death machine'.
The 1,600ft coaster, which would go up to 223mph, sees each passenger experience a series of looping tracks, which get smaller and smaller as the rollercoaster progresses, eventually leading to death.
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It would take around 60 seconds to ride and go through all seven inversions, as each inversion gets tighter.
Urbonas decided that he would include space for 24 people, as each person has the option of pressing one of two buttons, 'stop' and go'.
And if just one person out of the two dozen decides against it, the ride would be put to a stop.
Though it's not so much the speed that kills the passengers, but the 10Gs of force at hand.
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Urbonas explained: "Riding the coaster's track, the rider is subjected to a series of intensive motion elements that induce various unique experiences: from euphoria to thrill, and from tunnel vision to loss of consciousness, and, eventually, death.
"From there, you would begin experiencing a blackout and ultimately you would eventually lose consciousness and die."
For context, Formula 1 cars reach a G-force of above 6Gs when taking a bend, while the Apollo 16 comes in at 7.19Gs.
Now, YouTube channel 'Great American Coasters' has shared a horrifying first-person simulation video of what would happen if the coaster was ever made.
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"Apparently, you enter the ride on a single seat, so you get no partner while you take the plunge, and you go up a chain lift very slowly," the content creator explained.
"He seemed to really express that part, because he wants you to take it all in before you decide to end your life.
"This would have been the tallest coaster in the world, if it ever got built. Kimika is over 456 feet. This would be about 1600.
"As you reflect on your life, it's too late. You descend. That's near terminal velocity, meaning you're going almost as fast as a force of gravity, 100 meters per second, 223 miles per hour."
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"As you go down, you may think this is the best coaster drop of all time. I mean, I imagine, because it's so freaking tall."
He added: "But what happens next is not so pretty. Remember, you're going at 223 miles an hour, and you have to level out the bottom.
"Instead of going with the force of gravity, you're going against it. And by doing this, you're exerting a lot of G force.
"If you experience something like two G's, that'd be twice your body weight, pressing down on you, just levelling up, another G is another multiplier to your body weight. So 10 G's would be 10 times your body weight, forcing down on you."
The euthanasia rollercoaster project won Urbonas the Public Prize of New Technological Art of Update 2013.
Topics: Science, Technology, YouTube
Anish Vij