New Revised Flat Earth FAQ!

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Trekky0623

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Re: New Revised Flat Earth FAQ!
« Reply #30 on: November 18, 2007, 11:42:23 AM »
bump

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ﮎingulaЯiτy

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Re: New Revised Flat Earth FAQ!
« Reply #31 on: November 20, 2007, 08:12:24 AM »
bump for awesomeness.
If I was asked to imagine a perfect deity, I would never invent one that suffers from a multiple personality disorder. Christians get points for originality there.

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Loard Z

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Re: New Revised Flat Earth FAQ!
« Reply #32 on: November 22, 2007, 08:26:37 PM »
I have a new theory I wish to add to this thread.

Hypothesis: The Shadow Object is massless and exists in 2d space, perpendicular to the Earth.
Proof: Shadow Object cannot be observed passing in front of stars, but is observed passing in front of sun and moon. Shadow object cannot be measured for gravitation=> massless.
if i remember, austria is an old, dis-used name for what is now Germany.
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eric bloedow

Re: New Revised Flat Earth FAQ!
« Reply #33 on: December 14, 2007, 08:11:29 AM »
nope, doesn't work: if it was flat and perpendicular, it would not block the sun's light at all; it would, at most, make a thin line across it!

it certainly follows FE patterns for being poorly thought out!

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Username

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Re: New Revised Flat Earth FAQ!
« Reply #34 on: December 14, 2007, 08:57:07 AM »
You are thinking 1 dimensional eric.  A line is 1 dimensional.

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Tristan Lachman

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Re: New Revised Flat Earth FAQ!
« Reply #35 on: December 14, 2007, 09:07:11 AM »
nope, doesn't work: if it was flat and perpendicular, it would not block the sun's light at all; it would, at most, make a thin line across it!

Only if it was perpendicular to the sun. Very poorly thought out, Eric.

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Trekky0623

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Re: New Revised Flat Earth FAQ!
« Reply #36 on: December 15, 2007, 02:46:05 PM »
Quote
Hypothesis: The Shadow Object is massless and exists in 2d space, perpendicular to the Earth.

Eric didn't think out anything poorly.  A 2-D object perpendicular to you would at the most make a line.

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Username

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Re: New Revised Flat Earth FAQ!
« Reply #37 on: December 15, 2007, 03:47:51 PM »
You are right, sorry Eric.

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zeroply

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Re: New Revised Flat Earth FAQ!
« Reply #38 on: December 27, 2007, 01:03:43 PM »
In Einstein's Theory of General Relativity, there is an equation for adding vectors in the form of a recursive formula:

         v + w
u =              
    (1 + vw) ÷ c2


In which u is your velocity, v is you rate of acceleration, w is your previous velocity, and c is the speed of light.

Okay guys, post suggestions.  This is going to be updated.

Quick nitpick...

This is actually from Special Relativity, not General. Also, it's not a recursive formula since u doesn't appear on the right hand side.

Re: New Revised Flat Earth FAQ!
« Reply #39 on: December 27, 2007, 03:45:55 PM »
I just want to say, from a newbie to these forums, thanks for this summary.
Don't try to argue with an idiot.  They drag you down to their level and beat you with experience.

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skeptical scientist

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Re: New Revised Flat Earth FAQ!
« Reply #40 on: December 30, 2007, 12:53:40 PM »
I just noticed this. It's pretty good, but you have a few errors:

Q: Why hasn't the Earth reached the speed of light if it's accelerating?

A: Contrary to popular belief, acceleration is not linear.  In Einstein's Theory of General Relativity, there is an equation for adding vectors in the form of a recursive formula:

         v + w
u =              
    (1 + vw) ÷ c2


In which u is your velocity, v is you rate of acceleration, w is your previous velocity, and c is the speed of light.
And if you were to work it out, you would find that it would take forever to reach the speed of light.
This isn't right. First of all, it's the wrong formula. This should be obvious since the units are wrong: you are adding a dimensionless number (1) to a number with dimensions of speed2 (vw). The correct equation is:

         v + w
u =              
    1 + (vw/c2)


Secondly, if you add a velocity and an acceleration, you get a meaningless physical quantity. That equation only makes sense when v and w are both velocities. Really what it says is that if two objects are moving directly away from each other at speeds of v and w in the reference frame of some fixed observer, then the speed of one object relative to the other object is given by u in the formula.

To adapt it to accelerations, you have to do a little work. If we started with a speed of v and increase the speed by at, say by accelerating at a rate of a for a duration t, then we would get a new speed:

         v + at
u =              
    1 + (vat/c2)


This is actually inaccurate for large t, since it assumes the acceleration is constant in the inertial reference frame in which the Earth is instantaneously fixed, but is correct in the limit as t approaches 0. We can therefore compute the rate of change of u when t=0 by the quotient rule:
u' = a(1-v2/c2)

This tells us that if the acceleration of the Earth is given by a in a reference frame where the Earth is instantaneously stationary (so a is the strength of the acceleration felt by inhabitants of the earth, the acceleration is given by a(1-v2/c2) in a reference frame in which the Earth is already moving at speed v.

To find speed in one fixed reference frame, starting out with u=0 at t=0, we have to solve the differential equation:

u' = a(1-u2/c2)

Some simple analysis shows that as u approaches c, u' approaches 0, and therefore at a constant acceleration from the point of view of the Earth, the Earth will approach but never reach light speed as we expected.

So your answer had some of the correct features, but made some incorrect claims and should probably be corrected.

Quote
Q: With a little bit of math, I can show that the sun should be at different angles than what is observed.  What's up?

A: The sun's light refracts as it enters the atmosphere and continues downward, thus causing light to be bent.  Also notice that in cold areas this effect will have a greater effect on the sunlight because the cold air is denser.  This also causes light to be bent in the way it is on the Equinoxes and Solstices.



Q: How do sunrises/sunsets occur?

A: The sun gets to far away for the sunlight to reach us, also caused by the refraction as stated above.

If your diagram shows the correct refraction due to sunlight, it's in the wrong direction. According to your diagram, the sun appears higher than it really is, but in actuality the sun appears lower in the sky than the FE model says it is (and rises and sets in the wrong places - a good deal further South than it should under the FE model, but that's another issue entirely). So if your diagram is right, it doesn't fix the problem, and in fact makes it work.

If the refraction instead went the opposite direction, that could be a solution to the problem. Unfortunately if this is true, then sunlight behaves the opposite of the way we expect it too when going from less dense into denser atmosphere, or else the atmosphere is actually denser higher up than it is lower down (which is contrary to what we observe when we go to a high elevation, and what we would predict.)
« Last Edit: December 30, 2007, 01:18:09 PM by skeptical scientist »
-David
E pur si muove!

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silverhammermba

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Re: New Revised Flat Earth FAQ!
« Reply #41 on: January 01, 2008, 11:28:12 PM »
Wow, I'm surprised I learned a bit from the new f.a.q.

What the hell is this antimoon? I've never heard it mentioned and it frankly sounds like more backwards logic.

Do most FEers now believe that spaceflight is possible? This is completely new to me. Has there been any debate about why the stars exhibit gravitational pull but not anything else? (I suppose FEers say they're made out of a special kind of matter or something?)

Thank you so much for saying that the cause of sinking ships is unknown. Though I would phrase it differently as "the theory of the vanishing point" is a bit vague and misleading. Perhaps simply:
Unknown.  It is speculated that the laws of perspective operate differently.
Since the only attempted explanation I've heard is from Tom Bishop or Rowbotham, neither of which are very credible.

Also for the motives of the conspiracy, I don't think that they are entirely decided. Your answer seems very definite, but I've never seen this topic sufficiently discussed to call it a solid explanation. The most apparent problem I can think of is that most countries do not have a space program as robust or as well-funded us NASA thus removing the incentive for much of the world. Also, a global conspiracy seems like way too much effort to go through when its simply an excuse for a tax hike.
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Tom usually says at this point that people have seen the ice-wall. It is the Ross Ice Shelf. That usually kills the conversation by the power of sheer bull-shit alone.

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Loard Z

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Re: New Revised Flat Earth FAQ!
« Reply #42 on: January 03, 2008, 08:22:40 AM »
th antimoon orbits th arth on th undrsid of th plant.
if i remember, austria is an old, dis-used name for what is now Germany.
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divito the truthist

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Re: New Revised Flat Earth FAQ!
« Reply #43 on: January 03, 2008, 11:36:53 AM »
What the hell is this antimoon? I've never heard it mentioned and it frankly sounds like more backwards logic.

A moon on the other side of the Earth.

Do most FEers now believe that spaceflight is possible?

Traditional and sustained spaceflight is not possible.

Thank you so much for saying that the cause of sinking ships is unknown.

Check out my thread: Sinking Ship Effect

Also for the motives of the conspiracy, I don't think that they are entirely decided. Your answer seems very definite, but I've never seen this topic sufficiently discussed to call it a solid explanation. The most apparent problem I can think of is that most countries do not have a space program as robust or as well-funded us NASA thus removing the incentive for much of the world. Also, a global conspiracy seems like way too much effort to go through when its simply an excuse for a tax hike.

Only the space agencies need be involved in the conspiracy. Global and government aspects are just silly.
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