The Dresden Files > DF Reference Collection
The science of gravity spells.
TheCuriousFan:
--- Quote from: Ms Duck on June 01, 2013, 01:24:13 AM ---I'd say probably not much :)
Man's got enough to worry about.. lol
it's like when I crunched the numbers for the black court master in the short story.. if she can do what she did, how the frak did they ever lose??
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Does this mean that we can never use arguments based on calculations again?
Ms Duck:
--- Quote from: TheCuriousFan on June 01, 2013, 03:41:02 AM ---Does this mean that we can never use arguments based on calculations again?
--- End quote ---
No, just be aware they have a large fudge factor :)
It's enough to know Mab outclasses every wizard on earth, we don't need to know by exactly how much
peregrine:
--- Quote from: Ms Duck on June 01, 2013, 03:03:24 AM ---as to the inertia question you may be correct but as Knnn pointed out, the forces involved are far larger than most bombs. Your theory would then say bombs can't explode, because of the inertia of the air around them.
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No, because my argument is that what is happening is not like a bomb exploding. There's a lot of energy, but it's affecting a wide area of volume* or large amount of mass at once, not just a small part and then expanding. Even if I agree that there's nuclear bomb levels of energy being released (which I don't) it's the difference between spreading it out or releasing it at one point and then having the effect diminish. Because of the inertia of all that other mass in the way. Not instantly, but eventually.
Nuclear bombs in Nevada don't wipe out cities in California. Or even cities just a few miles away from ground zero. What Harry was doing was effectively spreading out that blast from a hypothetical bomb over the whole area at once. So the center is greatly reduced, but the outskirts get a bit of a rise in damage.
*Yeah, I know, area of volume.
Ms Duck:
--- Quote from: peregrine on June 01, 2013, 03:55:29 AM ---No, because my argument is that what is happening is not like a bomb exploding. There's a lot of energy, but it's affecting a wide area of volume* or large amount of mass at once, not just a small part and then expanding. Even if I agree that there's nuclear bomb levels of energy being released (which I don't) it's the difference between spreading it out or releasing it at one point and then having the effect diminish. Because of the inertia of all that other mass in the way. Not instantly, but eventually.
Nuclear bombs in Nevada don't wipe out cities in California. Or even cities just a few miles away from ground zero. What Harry was doing was effectively spreading out that blast from a hypothetical bomb over the whole area at once. So the center is greatly reduced, but the outskirts get a bit of a rise in damage.
*Yeah, I know, area of volume.
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im not talking about Nevada. im talking he was three feet away.
and the mall was a few hundred... ooops
its simple; amount of force could not have been in the range Knnn calculated. even ignoring my first two points, the impact from that force hitting the pavement would have made an immense hole, and the shockwave would have redecorated nicely
not mention conservation of energy.. harry can't manipulate power on that scale... hes never done anything even close.
the effects of the spell match what the weight of a few cars would do, if they were dropped on someone. not megatons.. tons.
Gman:
Harry didn't create the super heavy gravity field that crushed his enemies. He diverted and focused it. That takes a lot less power. For example a large river has tremendous power. You can use a little bit of force to dig some and divert the large river. Harry just diverted gravity for a fraction of a second.
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