
A chilling simulation shows a first-person experience of riding the euthanasia coaster - designed to humanely take the life of a human being.
Referred to as the 'hypothetic death machine', the award-winning concept was thought-up by Lithuanian engineer Julijonas Urbonas in 2010.
The 1,600ft coaster, which would theoretically go up to 223mph, would take around 60 seconds to ride and go through seven loops, each one getting tighter and tighter.
Now, it's not the speed that necessarily kills the passengers, instead it's the10Gs of force at hand - more than the Apollo 16, which was around 7.19Gs.
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Urbonas, who's previously discussed whether people should be allowed to ride it, designed it so that the rider is subjected to a 'series of intensive motion elements', inducing various unique experiences: from euphoria to thrill, and from tunnel vision to loss of consciousness, and, ultimately, death.

The Lithuanian engineer explained: "You would begin experiencing a blackout and ultimately you would eventually lose consciousness and die."
It would include space for 24 people, as each person has the option of pressing one of two buttons, 'stop' and go'. If one person out of the two dozen decides against it, the ride would be put to a stop.
But what would it really feel like?
Well, luckily, the good people over at the Great American Coasters Youtube channel created a first-person simulation video of the ride, and it is, as you'd imagine, utterly horrifying.
"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 channel 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.
"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 explained how it would feel like 10 times your body weight forcing down on you.
"Remember, you're going at 223 miles an hour, and you have to level out the bottom," he explained.
"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."
Urbonas won the Public Prize of New Technological Art of Update 2013 for the project.