Gravity

Grim... · **Posted:** Thu Nov 14, 2013 0:33

Anyone else seen 'Sandra Bullock Makes Physics Cry While Wearing Skimpies'?

I thought it was most entertaining, and very pretty.

Curiosity · **Posted:** Thu Nov 14, 2013 0:35

Grim... wrote:

Anyone else seen 'Sandra Bullock Makes Physics Cry While Wearing Skimpies'?

I thought it was most entertaining, and very pretty.

Yes. Lots of talk about it in the hated film thread. By which I mean the film thread you hate, not a thread about hated films.

It's very entertaining. Amazing visuals, and I don't just mean Ms Bullock in her underwear.

Some moments that mildly irked me, and some admittedly incorrect physics, but I wasn't there to watch a documentary.

Cras · **Joined:** 30th Mar, 2008 **Posts:** 49244

Doc has nothing but praise for it mind, which I suspect is reason to revoke his PhD.

GazChap · **Posted:** Thu Nov 14, 2013 1:05

Which physicsy bits were wrong? There's been lots of talk about that on the SA forums, but Neil deGrasse Tyson (noted astrophysicist) has more or less tweeted various tweets recently that says they stack up, from what I gather?

Cras · **Joined:** 30th Mar, 2008 **Posts:** 49244

The main bit was where she waited until she was

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directly alongside the Chinese space station before popping the hatch. No, you're still travelling at the speed of the Soyuz in the direction of the Soyuz, you pop it earlier. Much earlier.

Cras · **Joined:** 30th Mar, 2008 **Posts:** 49244

Also, it would have been the best film ever made if right at the end

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A massive chunk of the Chinese space station had just landed on her head

GazChap · **Posted:** Thu Nov 14, 2013 1:12

Fair enough, that one.

One thing I find interesting thematically is

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her daughter's death - she was killed after she fell over and banged her head... she was effectively killed by gravity.

Curiosity · **Posted:** Thu Nov 14, 2013 8:18

Bits that got me:

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The debris: if it's going so fast wouldn't it change orbital path? Especially if it is smashing into shit and going off in all directions? To stay in the exact same plane seems odd.

When she lets go of George: They're not moving! What's pulling him away? Answer: magic.

In fairness, the director has publicly said they had NASA or similar involved, and decided that to do the film how they wanted they had to take certain liberties. Which I'm absolutely fine with.

Doctor Glyndwr · **Joined:** 30th Mar, 2008 **Posts:** 32624

I'm in an airport on a phone, I'll write something here later. Physics wasn't perfect but was easily one of the better space films because films get so much wrong.

No-one's mentioned

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ISS and the Hubble are nowhere near that close together.

Doctor Glyndwr · **Joined:** 30th Mar, 2008 **Posts:** 32624

Curiosity wrote:

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The debris: if it's going so fast wouldn't it change orbital path? Especially if it is smashing into shit and going off in all directions? To stay in the exact same plane seems odd.

When she lets go of George: They're not moving! What's pulling him away? Answer: magic.

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1: they will be orbiting at the same speed (as they're in the same orbit) but not necessarily in the same direction. Orbital speed is about 50,000 mph I think in LEO; so even if the orbits are almost parallel the difference in speed (and hence kinetic energy) between the two frames of reference will be huge. If the orbits are in different directions that's 100,000 mph between them.

2: the physics advisor for the film, who is an astronaut, has stated what is happening in that scene on Wikipedia: the astronauts are not yet at rest with respect to the ISS. They still have momentum away from it, which is being gradually absorbed in the rope stretching. Clooney's character believes the rope will snap before it fully arrests their motion so he unclips himself. That's a viable scenario, but isn't clear from what you see on screen. It needed to be explained more clearly.

myp · **Posted:** Thu Nov 14, 2013 9:53

Is it recommended seeing this in 3D? I hate 3D films as a general rule.

Doctor Glyndwr · **Joined:** 30th Mar, 2008 **Posts:** 32624

Yes. 3d.

sdg · **Posted:** Thu Nov 14, 2013 16:10

I saw this on Tuesday and loved it. The effects are incredible, it's hard to convince your brain you're not watching a documentary filmed in space. Oscar nominations would be deserved.

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three oscars-
1) cinematography
2) Best Actress- Sandra bullock
3) Best personal trainer-Sandra Bullocks

Grim... · **Posted:** Thu Nov 14, 2013 19:08

Obviously by far the best bit was when

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George Clooney came back. He smashed his way straight into the "Top Ten Awesome Fictional Characters", although debate is being had as to if it counts.

Doctor Glyndwr · **Joined:** 30th Mar, 2008 **Posts:** 32624

sdg wrote:

I saw this on Tuesday and loved it. The effects are incredible

Even more so when you realise how it was done...

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In all the space/EVA scenes, everything except the actor's faces is entirely CG.

Grim... · **Posted:** Fri Nov 15, 2013 10:28

Although Cloony did a superb job, apparently first in for the role was Robert Downey Jr, and now I'm sad that it wasn't him.

myp · **Posted:** Fri Nov 15, 2013 10:30

Grim... wrote:

Although Cloony did a superb job, apparently first in for the role was Robert Downey Jr, and now I'm sad that it wasn't him.

Well, duh.

myp · **Posted:** Fri Nov 15, 2013 10:32

YOU TOTALLY CHANGED TIME

Grim... · **Posted:** Fri Nov 15, 2013 10:38

Not according to your quote

myp · **Posted:** Fri Nov 15, 2013 10:39

Grim... wrote:

Not according to your quote

Not sure what happened there. You must have hit Submit on the edit in between me reading it and pressing the Quote button.

nickachu · **Posted:** Fri Nov 15, 2013 11:11

Doctor Glyndwr · **Joined:** 30th Mar, 2008 **Posts:** 32624

Scientists banned from watching Gravity

Quote:

SCIENTISTS have been banned from watching the film Gravity because they kept ruining it for normal people.

Screenings of the thrilling space adventure had been marred by socially-inept scientists exclaiming loudly about minor inaccuracies of no interest to sane humans.

All UK cinemas have now forbidden anyone with grade B or above for GCSE Science from watching the film.

Cinema manager Tom Logan said: "We had large scientist groups with bad jumpers and weird hair coming in just to pick holes in Gravity.

"Every time there was some obscure physics-related quibble they'd put their hands over their eyes and say things like 'the Philistines have won' or 'in the name of Einstein!' in exaggerated Tom Baker-esque voices."

24-year-old Emma Bradford took a scientist on a date to see Gravity: "Instead of putting his hand up my jumper he said things like 'I'd like to know how Sandra's decidedly terrestrial underwear is going to process her bodily waste.'

"We went to Pizza Express after and he made explanatory diagrams with olives for satellites and strips of pepper indicating gravitational forces."

Bradford's scientist date Julian Cook said: "Hollywood is making a mockery of the fundamental laws of the universe.

"I must highlight that even if it means going home alone, to a milky drink and ten minutes of Babestation, every night until I die."

RuySan · **Joined:** 30th Mar, 2008 **Posts:** 3542

Well, when i went to watch it, there was some girl in front of me saying to her boyfriend "I can't believe how they shot this is space!".

But i rather have that than those annoying scientists.

Doctor Glyndwr · **Joined:** 30th Mar, 2008 **Posts:** 32624

RuySan wrote:

Well, when i went to watch it, there was some girl in front of me saying to her boyfriend "I can't believe how they shot this is space!".

Occam's Razor tells us that the simplest explanation is usually correct. I find it far more credible that Clooney and Bullock were in space than the the so-called "truth" that most of the movie is computer generated.

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