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FoxElemental
FoxElemental
12:44 AM
I hate jet lag
And getting up at 4 IN THE MORNING to get to the airport
and then travelling back in time and eating lunch when you know you should be eating dinner
*sob*
 
James
James
12:55 AM
...wait you time traveled today?
Awesome.
 
Shalvenay
Shalvenay
1:07 AM
hey there @James
 
James
James
@Shalvenay Hola. :D
 
Shalvenay
Shalvenay
how're things going?
 
James
James
Production change so I am at work tonight. Yipee!!!!
 
 
13 hours later…
FoxElemental
FoxElemental
2:15 PM
@James time travel via time zones. try it sometime.
Easier than a time machine (a bit slower) and only costs a plane ticket. Oh, and 10 hours of sleep.
 
Feeds 4026
Feeds 4026
2:43 PM
0
A: Sandbox for Proposed Questions

Incognitohow long should an elf generation be to make it equivalent to humans? My elves live for about 250 years on average. They reach maturity around 40 - 60 years old. This is considered the beginning of their "adult" years, where they start having children. Siblings are born decades apart from each o...

 
 
5 hours later…
Gryphon
Gryphon
7:43 PM
@HDE are you around?
I have a question for you.
 
HDE 226868
HDE 226868
@Gryphon I am now, yeah.
 
Gryphon
Gryphon
@HDE226868 Okay, so I know that according to relativity, nothing has an objective velocity.
The velocity of any object can only be measured subjectively.
But can one measure the kinetic energy of an object objectively?
 
HDE 226868
HDE 226868
@Gryphon No, kinetic energy isn't the same in all frames - it's not what you might call "invariant". However, a related quantity that is invariant is the square of the four-momentum, a quantity that describes an object's energy and three-momentum (e.g. normal momentum in non-relativistc mechanics).
 
Gryphon
Gryphon
@HDE226868 Can I use this to "bleed off" energy from objects objectively?
 
HDE 226868
HDE 226868
@Gryphon ?
In any given reference frame, the total energy should be conserved.
 
Gryphon
Gryphon
7:54 PM
@HDE226868 It is, it's just converted to magic. So, magic. But I need some kind of way to do that objectively.
 
HDE 226868
HDE 226868
I'm still not sure I follow. Sorry, my head might not be on straight today.
 
Gryphon
Gryphon
Basically, I'm inventing a magic system.
 
HDE 226868
HDE 226868
Ah, I see.
 
Gryphon
Gryphon
And I want to preserve Conservation of Energy.
So I want to convert kinetic energy to magical energy at a very low rate.
But to do that, I need a way to objectively measure kinetic energy.
 
HDE 226868
HDE 226868
You'd probably have to discard relativity for that. . .
 
Gryphon
Gryphon
7:57 PM
@HDE226868 Yeah, that's the problem.
I may just use "velocity relative to the cosmic background radiation" and leave it at that.
 
HDE 226868
HDE 226868
That's a good reference frame to pick, if you want to pick one.
 
Gryphon
Gryphon
So, question two. How fast is the earth going relative to the CBR?
So, how much of this velocity can I steal before I make the planet uninhabitable?
 
HDE 226868
HDE 226868
I honestly couldn't tell you.
(Sorry!)
 
Gryphon
Gryphon
That's fine. At least you answered my other question.
Thanks!
 
HDE 226868
HDE 226868
Best of luck.
 
Universe Factory
Universe Factory
8:25 PM
Universe Factory - Medium: The Unknown Chapter ½
posted on July 15, 2018 by Haaruun Ibrow

https://c1.staticflickr.com/1/727/32691151630_5893d4c606_b.jpg“HEL “HELP!” “I’m coming,” I ducked around the corner, into the alleyway — there she was. She was surrounded by a pack of three-headed dogs. They were large, snarling beasts, foaming at the mouth. I looked around for something to distract them with, anything. Nothing “Here, doggy, come and get me! I’m nice and tasty!” That came out …

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