Author Topic: The science of gravity spells.  (Read 18584 times)

Offline Ms Duck

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Re: The science of gravity spells.
« Reply #15 on: June 01, 2013, 12:18:31 AM »
I'm wagging like a dog tail on crack here.. but on the conservative side.

imagine a cone from the center of whatever 'cancel' harry is doing. the radius will be the same as the 'area' that harry hits, then propagate upwards .. what the mass of all that air? (not the barometric pressure, the actual mass)

how much force is it going to create when it displaces?

http://www.pilotfriend.com/training/flight_training/met/atmos_wt.htm

ok, who has got a spreadsheet, some time, and feels ambitious?

 ;D
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Offline Ms Duck

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Re: The science of gravity spells.
« Reply #16 on: June 01, 2013, 12:19:32 AM »
Someone should write a book on the Physics of the Dresden Files

we've come close.. the original calculations on Mab ran about 40 pages.. and that's just that run.
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Offline narphoenix

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Re: The science of gravity spells.
« Reply #17 on: June 01, 2013, 12:22:44 AM »
we've come close.. the original calculations on Mab ran about 40 pages.. and that's just that run.

Ooh! Where are they?!
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Offline Ms Duck

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Re: The science of gravity spells.
« Reply #18 on: June 01, 2013, 12:27:06 AM »
Ooh! Where are they?!

board auto wipes everything not saved im afraid

we concluded Mab's 'waste heat' output was between 10^17th - 10^20th Joules, based on how much power it takes it to snow across the entire Chicago area in may.. 4 feet deep
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Offline narphoenix

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Re: The science of gravity spells.
« Reply #19 on: June 01, 2013, 12:33:36 AM »
board auto wipes everything not saved im afraid

we concluded Mab's 'waste heat' output was between 10^17th - 10^20th Joules, based on how much power it takes it to snow across the entire Chicago area in may.. 4 feet deep

That's the waste? Holy... Wow. I guess she isn't the Queen of Air and Darkness because she had her card punched 12 times.
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Offline Ms Duck

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Re: The science of gravity spells.
« Reply #20 on: June 01, 2013, 12:40:30 AM »
That's the waste? Holy... Wow. I guess she isn't the Queen of Air and Darkness because she had her card punched 12 times.

the idea is that any immortal, on earth, warps reality around them to match. Odin gets thunderstorms. Shaaggy cause corruption.

Mab.. makes things colder.

the six months she spent sitting on that island made it snow .. 4 feet deep.. the other side of the county.

that's a LOT of cold to be putting out.
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Offline narphoenix

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Re: The science of gravity spells.
« Reply #21 on: June 01, 2013, 12:54:54 AM »
Well, I guess she's just that...wait for it... cool. 8)

Although, that's over a period of months. Certainly, the energy is impressive. But the power... Wait. 6.4 MILLION kW?!
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Offline Ms Duck

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Re: The science of gravity spells.
« Reply #22 on: June 01, 2013, 12:59:02 AM »
Well, I guess she's just that...wait for it... cool. 8)

Although, that's over a period of months. Certainly, the energy is impressive. But the power... Wait. 6.4 MILLION kW?!

we estimated the energy of the total time period to be quite a bit higher :)

it's not just enough to chill the air, you have to keep it chilled against incoming sunlight, and against loss due to convection and conduction.. the variance is caused by:

how much the average temp per month can vary (say was it a cold summer to begin with?)

how big the are was.. we can estimate the cylinder (with the isle at the center) covering Chicago, but where is murphys house in the suburbs?
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Offline narphoenix

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Re: The science of gravity spells.
« Reply #23 on: June 01, 2013, 01:08:37 AM »
we estimated the energy of the total time period to be quite a bit higher :)

it's not just enough to chill the air, you have to keep it chilled against incoming sunlight, and against loss due to convection and conduction.. the variance is caused by:

how much the average temp per month can vary (say was it a cold summer to begin with?)

how big the are was.. we can estimate the cylinder (with the isle at the center) covering Chicago, but where is murphys house in the suburbs?

I used your estimate for the calculation. Granted, I used the low end...and rounded down...point still stands.
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Offline TheCuriousFan

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Re: The science of gravity spells.
« Reply #24 on: June 01, 2013, 01:20:35 AM »
This topic makes me wonder how much time Jim spends thinking about the physics of things and how much energy various spells would take or how much strength would be needed to lift something.
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Offline Ms Duck

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Re: The science of gravity spells.
« Reply #25 on: June 01, 2013, 01:24:13 AM »
This topic makes me wonder how much time Jim spends thinking about the physics of things and how much energy various spells would take or how much strength would be needed to lift something.

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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Offline narphoenix

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Re: The science of gravity spells.
« Reply #26 on: June 01, 2013, 01:27:15 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??

Because Harry can call upon neutron star level gravity?
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Offline Ms Duck

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Re: The science of gravity spells.
« Reply #27 on: June 01, 2013, 01:32:17 AM »
Because Harry can call upon neutron star level gravity?

so why is the building still there?

 ;)
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Offline narphoenix

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Re: The science of gravity spells.
« Reply #28 on: June 01, 2013, 01:36:47 AM »
so why is the building still there?

 ;)

In case you noticed, it isn't.
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Offline Ms Duck

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Re: The science of gravity spells.
« Reply #29 on: June 01, 2013, 01:40:50 AM »
In case you noticed, it isn't.

em getting set on fire and burning down later doesn't quite count ya know
Yeah, but Germans and Hungarians don't pull people's theories out of their sockets when they're challenged.  Ducks are known to do that.


That's been disabled. But I can still CALL you Fup Duck. -Shecky