Friso94

28th Aug 2014

Gravity (2013)

Factual error: When Sandra Bullock and George Clooney manage to get to the ISS, she gets entangled with some ropes and manages to grab Clooney's safety rope. Clooney's speed should be very close to Bullocks' and the ISS', hence. The parachute ropes should be able to withhold the forces of deceleration (the mass of two people is very small, compared to Soyus or ISS), so no more pulling or having to sacrifice himself... This is due to the fact that there's no drag in space to constantly change Clooney's velocity (revert to Newton's First Law).

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Suggested correction: The parachute ropes are of course strong enough to hold the relatively low kinetic energy of the drifting astronauts, but that is not the reason why Clooney detaches. The rope is not attached firmly to Bullocks' leg. There are some loops loosely wrapped around her leg, and while both astronauts are still drifting away from the ISS (seen in a shot a few seconds earlier), those loops slip away from the foot one by one. Before the last loop slips away from the foot, untethering and condemning both astronauts, Clooney detaches himself to lessen the kinetec energy that pulls on the rope by reducing the total mass of the "system of two astronauts", so that there is a better chance that the last loop will remain attached to Bullock.

Once Clooney had stop moving all that would have been need was a slight pull from Bullock to pull him towards her. The momentum was lost when he stopped moving. So no need to cut himself loose.

It all happens in free fall. As soon as the cord withstood inertia resulting from George's body mass pulling on it, George would bounce back towards Sandra. The entire scene was completely unrealistic.

Clooney stopped moving in relation to Bullock. But both were still moving in relation to the ISS (look at the scene again; there is a wide shot that establishes this), with both their masses pulling on the parachute cords, straining the tenuous connection of the cords looped around Bullock's foot. To lessen the strain, Clooney detaches itself from the two-astronaut-system, reducing the mass and kinetic energy pulling on the cords.

t-6

Clooney and Bullock - when they were connected to each other - never actually stopped moving in relation to the ISS.

Actually parachute cords can withstand hundreds of pounds of force, making them very difficult to snap.

The danger wasn't the ropes snapping, the danger was that they would slip off her foot, and they would both be lost to space.

Friso94

Answer: Thor lied to Loki about the escape plan.

What part?

How they were going to leave the spaceship.

lionhead

About not escaping in the Dark Elves' ship, and that Fandral was there with another ship. Lying by omission.

Friso94

Answer: Didn't think he had to.

Answer: While it's purely speculation, here are few ideas: 1. He didn't think he needed to. He now possesses the most powerful weapon in the universe and thought hitting Thanos in the chest would be enough. 2. He may have aimed for the head, but Thanos was trying to repel the axe, which caused the aim to be off. 3. He wanted Thanos to die slowly so that he could deliver his "I told you..." line.

Plus, he didn't know Thanos already had all the gems.

lionhead

Or just because the head is a much smaller target and Thor was pretty far away, even when throwing a magic axe.

Friso94

Corrected entry: Throughout the movie the cars and building are shrunk down to size and carried by people. Though the size has changed, their mass hasn't. In this and the original film it is specified that the Pym Particle works by reducing the distance between atoms. That's absurd, but in the context of the film that is what happens. This means that a human reduced to the size of an ant would have an unimaginable density, and thus his mass and weight would stay the same. There's no way the characters could carry those things with little or no effort, they would weigh as much as they did before they were shrunk.

mikelynch

Correction: While it's easy to miss, there actually is some brief dialogue in the first film when Scott is learning about the suit that establishes the rules. In addition to shrinking and growing, things like mass, energy and weight are also affected by the Pym-Particles. Sure, perhaps it's not 100% realistic, but the films do address these issues and offer explanation. Hence people can carry around shrunken buildings, tanks, cars, etc.

TedStixon

In this, and the previous film, it is specified that the Pym particles work by reducing the distance between atoms. That is utterly impossible, of course, but in the context of the film that is what happens. This means that shrunken or expanded articles or people retain their mass and weight. This is an inescapable mistake for both films, and the original posting is correct.

Here's the problem with this reply - the first film specifically states that it's not just the distance between particles that's being altered - other properties change along with them as a result of the Pym particle. The fact of the matter is yes, you can try to apply real-world logic to it and pick it apart, but the films do an adequate job explaining why it's possible to do things like carry buildings or tanks around so long as they are shrunken down, or for a plastic children's toy to become a destructive object when enlarged, as they are effected by the mysterious properties of the Pym particle. Hence, it shouldn't be considered a mistake unless a specific scene contradicts something else shown earlier in the film.

TedStixon

The shrinking works differently on inanimate objects. It's the suits that let the person being shrunk to maintain its mass, anything else being shrunk loses its mass. Blowing stuff up works differently though, the technology to do that is just different. The way Pym particles work is one thing, but how all of the technology involved works is a totally different thing.

lionhead

Correction: This isn't a mistake so to speak. The abilities of Ant-Man and the whole shrinking and growing thing is very much a comic book thing. And the only way these movies even work at all is through the suspension of disbelief.

Quantom X

Maybe, but in the first film they explicitly state that even though the shrinking technology makes objects sizes' smaller, it doesn't change their mass.

Friso94

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