Previous in Forum: Weather Vane Proper Operation Next in Forum: Exhaust Fumes When MIG Welding Mild Steel
Anonymous Poster #1

# If the World is Round....

08/19/2018 3:20 PM

This is a question I have always had about the world we live in. I realize the world is in fact round (kinda) and I understand that gravity keeps us on the ground in an upright position, but I still can't get my head around why someone say in Australia is not standing upside down in relation to me standing rightside up here in the U.S. I'm so embarrassed to ask what seems to be something everyone knows, that I am posting this anonymously so you won't think I'm a complete idiot. Please be gentle with your comments

Interested in this topic? By joining CR4 you can "subscribe" to

Check out these comments that don't yet have enough votes to be "official" good answers and, if you agree with them, rate them!
Guru

Join Date: Jan 2008
Location: Tucson, AZ
Posts: 1331
#1

### Re: If the world is round..???

08/19/2018 3:26 PM

Imagine a "point" in the center of the earth...and a line down to that point for each item on the earth as it accelerates down toward that singular point.

__________________
...and the Devil said: "...yes, but it's a DRY heat..!"
Guru

Join Date: Oct 2008
Posts: 42371
#2

### Re: If the world is round..???

08/19/2018 3:33 PM

Simply put, They are!

It's the way we are built.

That's why our feet are on the bottom.

Guru

Join Date: Apr 2009
Location: Yellowstone Valley, in Big Sky Country
Posts: 7116
#3

### Re: If the world is round..???

08/19/2018 3:50 PM

No, the world is not round. This implies the world is two dimensional, flat.

The earth is a sphere.

Take a basketball (or similar size) in hand, stand a figure (Barbie, G.I. Joe, Beanie-Baby...) on the top of the ball. Now, hold feet of figure against ball and rotate so figure is not quite upside down, maybe a 45 degree angle or so from horizontal. Original position, figure is on the North pole; second position, figure is in Oceania.

From the head to the feet a line can be drawn that will intersect the center of the earth.

This, unlike many of the fine products from LynDoor Industries, works anywhere on the surface of the planet. Heck, this even works on other planets!

Extra credit: Why is a standard desk globe in Australia, NZ, South Africa, southern South America, and McMurdo Station oriented with the north pole at the top? Why not South pole on top? Easier for them to use it, better represents their general view of the orientation of things. Upside down maps exist, how about globes?

__________________
When you come to a fork in the road, take it. (Yogiism)
Guru

Join Date: Mar 2007
Location: by the beach in Florida
Posts: 32884
#4

### Re: If the world is round..???

08/19/2018 3:58 PM

Picture yourself as loosely woven lint, and there's a hole in the center of the Earth that is sucking air in at a tremendous speed and expelling it to another dimension...Now picture that air getting thicker and thicker, the thickness of which is determined by the mass of the Planet...The closer you get to the center of the Planet the more fierce the flow becomes....There is nothing quite like gravity, it's invisible and exudes a force only on matter.....It's like a giant powerful invisible magnet and all matter is ferric material...

__________________
All living things seek to control their own destiny....this is the purpose of life
Guru

Join Date: Oct 2008
Posts: 42371
#5

### Re: If the world is round..???

08/19/2018 4:56 PM

You have just entered The Twilight Zone.

OK Einstein, what happens at the center of the Earth?

Guru

Join Date: Jan 2008
Location: Tucson, AZ
Posts: 1331
#7

### Re: If the world is round..???

08/19/2018 6:46 PM

The "moment of weightlessness" as depicted in movie "TOTAL RECALL" when everybody starts floating before crashing back down upon the floors.

__________________
...and the Devil said: "...yes, but it's a DRY heat..!"
Guru

Join Date: Mar 2007
Location: by the beach in Florida
Posts: 32884
#10

### Re: If the world is round..???

08/19/2018 10:19 PM

There's a hole which is the entrance to a wormhole that leads to the center of the universe....HA!

__________________
All living things seek to control their own destiny....this is the purpose of life
Guru

Join Date: Apr 2010
Location: About 4000 miles from the center of the earth (+/-100 mi)
Posts: 9629
#6

### Re: If the world is round..???

08/19/2018 5:01 PM

The earth's a ball, we're all attracted to the center of it...

If you are standing upright at noon, a person on the other side of the earth would be in nighttime and have his feet toward the sun.

Guru

Join Date: Mar 2007
Location: by the beach in Florida
Posts: 32884
#9

### Re: If the world is round..???

08/19/2018 10:10 PM

Stop,, yer' makin' me dizzy.....

__________________
All living things seek to control their own destiny....this is the purpose of life
Power-User

Join Date: Mar 2010
Location: The Canyons of the Ancients
Posts: 356
#46

### Re: If the world is round..???

10/17/2018 5:10 PM

Your not attracted to the center rather being pushed by space time.

__________________
" looking for conscience in the brain is like looking for the band in the radio" N. H.
Guru

Join Date: Apr 2011
Posts: 7981
#51

### Re: If the world is round..???

10/18/2018 8:34 AM

You seem to be implying a lack of space time where matter exists.... otherwise it would be pushing equally from all directions.

Do you imagine space time is totally excluded by the presence of matter, or partially depending on the density of matter?

__________________
Eternal vigilance is the price of knowledge. - George Santayana
Power-User

Join Date: Mar 2010
Location: The Canyons of the Ancients
Posts: 356
#52

### Re: If the world is round..???

10/18/2018 11:48 AM

Realitave.....there is space in matter.

__________________
" looking for conscience in the brain is like looking for the band in the radio" N. H.
Guru

Join Date: Apr 2011
Posts: 7981
#57

### Re: If the world is round..???

10/18/2018 10:55 PM

Well, if there is no lack of space in matter, then the observations of gravity are not satisfactory described by saying (paraphrasing...don't want to go back and look) 'mass isn't attracting, space is pushing'.

__________________
Eternal vigilance is the price of knowledge. - George Santayana
Power-User

Join Date: Mar 2010
Location: The Canyons of the Ancients
Posts: 356
#62

### Re: If the world is round..???

10/18/2018 11:37 PM

"Space time" is pushing. Space has matter in it.

__________________
" looking for conscience in the brain is like looking for the band in the radio" N. H.
Guru

Join Date: Apr 2011
Posts: 7981
#63

### Re: If the world is round..???

10/19/2018 2:02 AM

You do realize that 'space time' is comprised largely of 'space", right?

Wait, is this some sort of excercize wherein you are practiicing extemporaneous commentary devoid of understanding yet repleat with buzzwords?

__________________
Eternal vigilance is the price of knowledge. - George Santayana
Guru

Join Date: Dec 2008
Location: Long Island NY
Posts: 15450
#64

### Re: If the world is round..???

10/19/2018 7:57 AM

Bot

__________________
"Don't disturb my circles." translation of Archimedes last words
Power-User

Join Date: Mar 2010
Location: The Canyons of the Ancients
Posts: 356
#53

### Re: If the world is round..???

10/18/2018 12:02 PM

Space time is curved, possibly back on itself, and spheres and vortexes prevail. Spirals, spheres in space time, no squares......except for Borg.

__________________
" looking for conscience in the brain is like looking for the band in the radio" N. H.
Power-User

Join Date: Mar 2010
Location: The Canyons of the Ancients
Posts: 356
#48

### Re: If the world is round..???

10/17/2018 5:50 PM

How fast would the earth have to spin before you would fly into orbit?

__________________
" looking for conscience in the brain is like looking for the band in the radio" N. H.
Guru

Join Date: May 2006
Location: Reading, Berkshire, UK. Going under cover.
Posts: 9684
#49

### Re: If the world is round..???

10/18/2018 6:46 AM

Back of my envelope suggests a rotational period of about 5000 seconds for "weightlessness". Any more offers, anyone?

__________________
"Love justice, you who rule the world" - Dante Alighieri
Power-User

Join Date: Mar 2010
Location: The Canyons of the Ancients
Posts: 356
#54

### Re: If the world is round..???

10/18/2018 12:09 PM

If "things" spin fast enough, they are no longer "they", and become quantum.

__________________
" looking for conscience in the brain is like looking for the band in the radio" N. H.
Score 1 for Off Topic
Guru

Join Date: Apr 2011
Posts: 7981
#58

### Re: If the world is round..???

10/18/2018 10:59 PM

Sounds like your understanding of 'quantum is not a generally accepted standard.

__________________
Eternal vigilance is the price of knowledge. - George Santayana
Power-User

Join Date: Mar 2010
Location: The Canyons of the Ancients
Posts: 356
#65

### Re: If the world is round..???

10/19/2018 10:49 AM

Do you think that the smaller you get the faster you can spin?

__________________
" looking for conscience in the brain is like looking for the band in the radio" N. H.
Guru

Join Date: Apr 2011
Posts: 7981
#66

### Re: If the world is round..???

10/19/2018 1:10 PM

Do you find the less meaningful the thought, the more quickly you can spit them?

__________________
Eternal vigilance is the price of knowledge. - George Santayana
Power-User

Join Date: Mar 2010
Location: The Canyons of the Ancients
Posts: 356
#67

### Re: If the world is round..???

10/19/2018 2:14 PM

Hum.....are you the "anonomus" poster? I'll be gentle.

__________________
" looking for conscience in the brain is like looking for the band in the radio" N. H.
Guru

Join Date: Jun 2011
Location: Thailand
Posts: 631
#68

### Re: If the world is round..???

10/19/2018 2:30 PM

What happened to the 'Not for Deniers' thread?

Deep state, much?

Be me, next.

__________________
Floss or die!
Score 1 for Off Topic
Guru

Join Date: Jun 2011
Location: Thailand
Posts: 631
#70

### Re: If the world is round..???

10/20/2018 2:17 AM

Alls well, looks like Stuart just got banned (w/o notice) from 'Not for Deniers' thread for suggesting free patents for inventors of AGW / anti CO2 solutions. Actually, what I did mean was patents without bankruptcy.

If anyone could see if my posts are still there (I see the thread is still active ;-) would be grateful for any screenshots to stuart21@gmail.com

TIA!

__________________
Floss or die!
Score 1 for Off Topic
Guru

Join Date: Apr 2011
Posts: 7981
#71

### Re: If the world is round..???

10/20/2018 11:59 AM

Anonymous I am not. Neither am I 'anonomus', at least I have not claimed to be such. I have no idea what 'anonomus' actually is, so beyond knowing I have not claimed to be such I cannot definitively rule out being such.

__________________
Eternal vigilance is the price of knowledge. - George Santayana
Power-User

Join Date: Mar 2010
Location: The Canyons of the Ancients
Posts: 356
#72

### Re: If the world is round..???

10/20/2018 12:42 PM

Oops.....I guess spelling is "less meaningful" to me. Maybe "meaningful" is somewhere between "less" and "more" .

__________________
" looking for conscience in the brain is like looking for the band in the radio" N. H.
Guru

Join Date: Apr 2011
Posts: 7981
#81

### Re: If the world is round..???

10/20/2018 9:57 PM

Spelling isn't all that important. I wouldn't have mentioned it, except you put it in quotation marks. At first I thought you were pointing out a misspelling I had made, but after reviewing I decided it was a reference to a source of which I was unaware.

__________________
Eternal vigilance is the price of knowledge. - George Santayana
Guru

Join Date: Aug 2005
Posts: 5741
#50

### Re: If the world is round..???

10/18/2018 6:49 AM

Simplistically: escape velocity is about 25,000 miles an hour and the speed at the equator is about 1000 miles an hour, so, if a day was reduced to just less than an hour you'd fly off.

__________________
We are alone in the universe, or, we are not. Either way it's incredible... Adapted from R. Buckminster Fuller/Arthur C. Clarke
Guru

Join Date: Mar 2007
Location: Etherville
Posts: 12354
#55

### Re: If the world is round..???

10/18/2018 6:25 PM

If I kept very still, why would gravitational attraction alone not keep me on the surface ?

__________________
For sale - Signature space. Apply on self addressed postcard..
Power-User

Join Date: Mar 2010
Location: The Canyons of the Ancients
Posts: 356
#56

### Re: If the world is round..???

10/18/2018 6:42 PM

Every single thing is moving through space time, if you were "still" you would explode like in the big bang.

__________________
" looking for conscience in the brain is like looking for the band in the radio" N. H.
Score 1 for Off Topic
Guru

Join Date: Apr 2011
Posts: 7981
#60

### Re: If the world is round..???

10/18/2018 11:02 PM

Exploding doesn't seem very still at all.

__________________
Eternal vigilance is the price of knowledge. - George Santayana
Guru

Join Date: Apr 2011
Posts: 7981
#59

### Re: If the world is round..???

10/18/2018 11:00 PM

Very still in what frame of reference?

__________________
Eternal vigilance is the price of knowledge. - George Santayana
Power-User

Join Date: Mar 2010
Location: The Canyons of the Ancients
Posts: 356
#61

### Re: If the world is round..???

10/18/2018 11:29 PM

If the past, present, and future, are just an illusion, what reference to you pick? Since we're moving among the speed of light, how does mass relate to wave lengths. Does a mirror absorb the speed of light?

__________________
" looking for conscience in the brain is like looking for the band in the radio" N. H.
Score 1 for Off Topic
Guru

Join Date: Mar 2007
Location: Etherville
Posts: 12354
#73

### Re: If the world is round..???

10/20/2018 1:40 PM

The greater scheme of things ? Nah, that's quite a good answer you give, but you know what I'm getting at - that whole gravitational attraction thing. If my deluded ego had mass, surely I would remain stuck to Earth if it stopped spinning ? I could argue that the Earth is stuck to me, but that would be disingenuous.

__________________
For sale - Signature space. Apply on self addressed postcard..
Power-User

Join Date: Mar 2010
Location: The Canyons of the Ancients
Posts: 356
#74

### Re: If the world is round..???

10/20/2018 2:05 PM

Quite an interesting insight , and for me it goes back to relative position. You can always add 1 to a number, and always take half of something. So if we're always getting bigger... and..... smaller every single thing is forever "traveling somewhere" . To me "god" and the human mind is the ultimate explorer.

__________________
" looking for conscience in the brain is like looking for the band in the radio" N. H.
Guru

Join Date: Mar 2007
Location: Etherville
Posts: 12354
#75

### Re: If the world is round..???

10/20/2018 4:53 PM

It's entirely possible to argue that Earth is stationary and that the universe moves around it. As mentioned by several people, it's all about frame of reference.

__________________
For sale - Signature space. Apply on self addressed postcard..
Power-User

Join Date: Mar 2010
Location: The Canyons of the Ancients
Posts: 356
#76

### Re: If the world is round..???

10/20/2018 5:46 PM

Maybe the "singularity" ( sp) was stationary, and ever sense, well...........in the beginning it was "good". And chaos afterwards.

__________________
" looking for conscience in the brain is like looking for the band in the radio" N. H.
Power-User

Join Date: Mar 2010
Location: The Canyons of the Ancients
Posts: 356
#77

### Re: If the world is round..???

10/20/2018 6:13 PM

Ever since.....

__________________
" looking for conscience in the brain is like looking for the band in the radio" N. H.
Guru

Join Date: Mar 2007
Location: Etherville
Posts: 12354
#78

### Re: If the world is round..???

10/20/2018 6:18 PM

Chaos will always win, it's better organized. (OK, I nicked that from English Rose).

Can somebody explain why Amundsen/Scott did not fly off at the Pole ? After all, they would have just been turning around on the spot with no force throwing them into space.

__________________
For sale - Signature space. Apply on self addressed postcard..
Power-User

Join Date: Mar 2010
Location: The Canyons of the Ancients
Posts: 356
#79

### Re: If the world is round..???

10/20/2018 6:28 PM

Jordan Peterson has a great concept about dealing with chaos, the dragon.

__________________
" looking for conscience in the brain is like looking for the band in the radio" N. H.
Guru

Join Date: Mar 2007
Location: Etherville
Posts: 12354
#83

### Re: If the world is round..???

10/21/2018 5:10 AM

Did he nick that from Plato's Cave ?

__________________
For sale - Signature space. Apply on self addressed postcard..
Guru

Join Date: Dec 2008
Location: Long Island NY
Posts: 15450
#85

### Re: If the world is round..???

10/21/2018 8:26 AM

Sounds more like Plato's Retreat.

__________________
"Don't disturb my circles." translation of Archimedes last words
Guru

Join Date: Apr 2017
Location: Southern Illinois
Posts: 627
#86

### Re: If the world is round..???

10/21/2018 11:41 PM

I actually watched that on YouTube.

It's pretty good. And, it's not just about dealing with chaos.

__________________
Science is the "cookbook" for making things.
Guru

Join Date: Jun 2011
Location: Thailand
Posts: 631
#80

### Re: If the world is round..???

10/20/2018 9:18 PM

No it's not.

__________________
Floss or die!
Score 1 for Off Topic
Guru

Join Date: Mar 2007
Location: Etherville
Posts: 12354
#84

### Re: If the world is round..???

10/21/2018 5:16 AM

That only counts as a rebuttal. For a full-on argument, refer to the post again.

__________________
For sale - Signature space. Apply on self addressed postcard..
Guru

Join Date: Jun 2011
Location: Thailand
Posts: 631
#87

### Re: If the world is round..???

10/22/2018 8:39 PM

OK, technically correct - 'you can argue'

But only if you are as divorced from reality as some of our leaders -

__________________
Floss or die!
Score 1 for Off Topic
Guru

Join Date: Dec 2008
Location: Long Island NY
Posts: 15450
#88

### Re: If the world is round..???

10/22/2018 9:57 PM

I offer a subtle observation, nothing is stationary. For something to be truly stationary requires an implied and therefore ill defined absolute frame of reference.

No absolute frame of reference exists. I believe this is a corollary of Newton's third law of motion once one adds the perspective of three or more bodies interacting in motion. If there's anything I've learned in life, it is that in all things there are always more than three things in motion.

__________________
"Don't disturb my circles." translation of Archimedes last words
Guru

Join Date: Mar 2007
Location: Etherville
Posts: 12354
#89

### Re: If the world is round..???

10/23/2018 10:50 AM

I could do the divorced from reality bit (to about 50% of requirment), but I'd be hard pressed to match the corruption levels that seems to be a needed.

__________________
For sale - Signature space. Apply on self addressed postcard..
Guru

Join Date: Sep 2008
Location: Vancleave, Ms about 30 miles inland from Biloxi and the coast
Posts: 3197
#8

### Re: If the world is round..???

08/19/2018 8:07 PM

Sorry, but I can't get it through my thick head that someone on the opposite side of the globe is upside down relative to my position.

__________________
Mr.Ron from South Ms.
Guru

Join Date: Mar 2007
Location: by the beach in Florida
Posts: 32884
#15

### Re: If the world is round..???

08/20/2018 10:20 AM

In space, there is no up and down...You only have a sense of up and down because you were born, raised and lived, in a gravity environment....Then again, you wouldn't exist without gravity...So you live in a very rare place, the surface of a planet...and a planet with just the right mass that allowed life to evolve and you to exist...and the perfect distance from a star...You exist in the only spot you could survive in, for more miles than you could travel in ten thousand years in any direction...

__________________
All living things seek to control their own destiny....this is the purpose of life
Guru

Join Date: Apr 2017
Location: Southern Illinois
Posts: 627
#26

### Re: If the world is round..???

08/20/2018 2:25 PM

Imagine this: You're right-side-up, as you are, where you are. On the exact opposite side of the world, so is somebody else. If both of you sunk to the center of the earth, you'd be "standing" on each other's feet. Relative to the center of gravity, you're both right-side-up. But relative to each other, you're both up-side-down (to each other).

__________________
Science is the "cookbook" for making things.
Guru

Join Date: Apr 2008
Location: Chicago
Posts: 3990
#27

### Re: If the world is round..???

08/20/2018 2:50 PM

...You may as well put them at the North and South poles so they are staring at each other in the opposite direction while seeing nobody!?!? get it

__________________
High Tolerance is Beautiful
Guru

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
Posts: 31544
#11

### Re: If the World is Round...?

08/20/2018 8:03 AM

<...why someone say in Australia is not standing upside down in relation to...standing rightside up here in the U.S....>

Ahem. Um, er, it is likely that there is someone in Australia thinking quite the opposite.

__________________
"Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
Power-User

Join Date: May 2008
Posts: 306
#32

### Re: If the World is Round...?

08/20/2018 6:26 PM

Yes...Everything here looks the right way around.

Guru

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
Posts: 31544
#12

### Re: If the World is Round...?

08/20/2018 8:10 AM

__________________
"Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
Guru

Join Date: Mar 2007
Location: by the beach in Florida
Posts: 32884
#16

### Re: If the World is Round...?

08/20/2018 11:21 AM

Ah, ok, that's better...

__________________
All living things seek to control their own destiny....this is the purpose of life
Guru

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
Posts: 31544
#23

### Re: If the World is Round...?

08/20/2018 1:55 PM

__________________
"Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
Guru

Join Date: Jan 2008
Location: Tucson, AZ
Posts: 1331
#24

### Re: If the World is Round...?

08/20/2018 1:59 PM

As of yet, no one has found a sign anywhere on the earth saying: "Other Side Up" (wink,wink).

__________________
...and the Devil said: "...yes, but it's a DRY heat..!"
Guru

Join Date: Apr 2011
Posts: 7981
#30

### Re: If the World is Round...?

08/20/2018 4:20 PM

How about 'north in the middle'?

__________________
Eternal vigilance is the price of knowledge. - George Santayana
Power-User

Join Date: May 2008
Posts: 306
#34

### Re: If the World is Round...?

08/20/2018 10:20 PM

Poor New Zealand ... all alone.

Guru

Join Date: Jun 2011
Location: Thailand
Posts: 631
#35

### Re: If the World is Round...?

08/20/2018 10:28 PM

North Island & South Island, divorced from their 'West Island'

__________________
Floss or die!
Guru

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
Posts: 31544
#37

### Re: If the World is Round...?

08/21/2018 4:04 AM

Poor Americas. All alone...

__________________
"Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
Guru

Join Date: Mar 2007
Location: by the beach in Florida
Posts: 32884
#38

### Re: If the World is Round...?

08/21/2018 12:03 PM

__________________
All living things seek to control their own destiny....this is the purpose of life
Guru

Join Date: Apr 2011
Posts: 7981
#39

### Re: If the World is Round...?

08/21/2018 1:11 PM

You seem to have a preferred frame of reference.

__________________
Eternal vigilance is the price of knowledge. - George Santayana
Guru

Join Date: Dec 2008
Location: Long Island NY
Posts: 15450
#40

### Re: If the World is Round...?

08/21/2018 1:36 PM

It looks like there's no Arctic sea ice in this animation. I wonder why?

__________________
"Don't disturb my circles." translation of Archimedes last words
Score 1 for Off Topic
Guru

Join Date: Jun 2011
Location: Thailand
Posts: 631
#17

### Re: If the World is Round...?

08/20/2018 12:07 PM

Finally! Somebody got it right!

& a pom, at that! (Should the p in pom be capitalized?)

I dub thee Sir PW!

__________________
Floss or die!
Score 1 for Off Topic
Guru

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
Posts: 31544
#25

### Re: If the World is Round...?

08/20/2018 2:22 PM

__________________
"Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
Guru

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
Posts: 31544
#13

### Re: If the World is Round...?

08/20/2018 8:15 AM

__________________
"Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
2
Guru

Join Date: Dec 2008
Location: Long Island NY
Posts: 15450
#14

### Re: If the World is Round...?

08/20/2018 9:15 AM

The apparent paradox is in the use of the phrase "upside down". The directions of up and down are a subjective orientation that depends on the localized direction of gravity. Come to think of it, that's not right either. "Up" is the direction of the normal force that opposes the force acting on a human. The orientation of "up" disappears with the removal of a normal force. When we are in free fall from being in orbit, diving in an airplane. Even floating from neutral buoyancy can remove our orientation to "up" as many divers know but often things like bubbles and other surface tension effects imply an orientation.

__________________
"Don't disturb my circles." translation of Archimedes last words
Power-User

Join Date: Sep 2012
Location: Brecksville, OH, USA
Posts: 230
#22

### Re: If the World is Round...?

08/20/2018 1:37 PM

Gravity is, of course, the issue. Do astronauts in the ISS know where up and down are?

Guru

Join Date: Apr 2011
Posts: 7981
#33

### Re: If the World is Round...?

08/20/2018 8:52 PM

"... of course, the issue. Do astronauts in the ISS know where up and down are? ..."

Your question isn't as prompting of insight as your style suggest you thought it would be. Are you suggesting the ISS exists in an absence of gavity?

Also, knowledge of and ability to directly sense are distinct. Close your eyes and decide whether you still know the difference between blue and yellow.

__________________
Eternal vigilance is the price of knowledge. - George Santayana
Guru

Join Date: Mar 2007
Location: Etherville
Posts: 12354
#47

### Re: If the World is Round...?

10/17/2018 5:29 PM

Stephen Hawking reportedly replied to a question about what happened before 'big-bang' as meaningless. Akin to asking what land lay South of the South Pole.

I'm probably wrong, but if ET ever arrived he/she/it would have no idea of directions unless given a frame of reference (ie examples marked on a sphere). Up/down, East/West are just conventions that us earthlings use. Even then we are not consistent.

__________________
For sale - Signature space. Apply on self addressed postcard..
Power-User

Join Date: Mar 2010
Location: The Canyons of the Ancients
Posts: 356
#69

### Re: If the World is Round...?

10/19/2018 4:19 PM

Humans lost their sense of direction a long long time ago, now only migrating animals and birds and butterflies, bees, have a "true" sense. Maybe ET is watching us bump into each other.

__________________
" looking for conscience in the brain is like looking for the band in the radio" N. H.
Guru

Join Date: Aug 2005
Posts: 5741
#18

### Re: If the World is Round....

08/20/2018 12:59 PM

"I understand that gravity keeps us on the ground in an upright position."

Gravity keeps us on the ground, but, it's a fantastic combination of skills and mechanics which keeps us upright. Try it after about ten pints strong beer.

"why someone say in Australia is NOT standing upside down in relation to me standing rightside up here in the U.S."

That's just it: they ARE standing upside downish relative to your frame of reference.

By the way: posting anonymously wouldn't stop us inferring anything about you apart from your identity. (Notice I said wouldn't: it doesn't mean I have.)

__________________
We are alone in the universe, or, we are not. Either way it's incredible... Adapted from R. Buckminster Fuller/Arthur C. Clarke
Guru

Join Date: Mar 2007
Location: by the beach in Florida
Posts: 32884
#21

### Re: If the World is Round....

08/20/2018 1:18 PM

Sideways gravity....

__________________
All living things seek to control their own destiny....this is the purpose of life
Guru

Join Date: May 2016
Posts: 1746
#19

### Re: If the World is Round....

08/20/2018 1:15 PM

But they ARE UPSIDE DOWN relative to you. That's why it swirls COUNTERCLOCKWISE there (or widdershins if you must). It's the price they pay for not living on the right side of the world.

Power-User

Join Date: Oct 2012
Location: Wherever my motorcycle has taken me!
Posts: 384
#20

### Re: If the World is Round....

08/20/2018 1:18 PM

If the world were flat cats would have pushed everything off the edge many year ago.

__________________
Common sense is an oxymoron and the world is full of morons. (I am not one of them)!!!
Guru

Join Date: Apr 2008
Location: Chicago
Posts: 3990
#28

### Re: If the World is Round....

08/20/2018 2:58 PM

to the AOP..

It's all about the gravitational center of an object in space.

The sun has a lot of gravitation pull towards it's center, but (aside from the obvious) there is no solid surface to try the balancing act known as standing.

If you were free floating in space you would have a small gravitation center that microscopic versions of yourself could stand on.

__________________
High Tolerance is Beautiful
Guru

Join Date: Mar 2007
Location: by the beach in Florida
Posts: 32884
#29

### Re: If the World is Round....

08/20/2018 3:26 PM

Gravity? What's gravity?

__________________
All living things seek to control their own destiny....this is the purpose of life
Guru

Join Date: Apr 2008
Location: Chicago
Posts: 3990
#31

### Re: If the World is Round....

08/20/2018 5:16 PM

The gravity of the situation of course.

__________________
High Tolerance is Beautiful
2
Guru

Join Date: Oct 2009
Location: sometimes Wales,UK.. was Libya, now Oman!
Posts: 1715
#36

### Re: If the World is Round....

08/21/2018 3:41 AM

sounds like the flat earth society are at it again...

The only thing they fear is sphere itself!

__________________
The square root of nothing is what you make it!
Guru

Join Date: Apr 2011
Posts: 7981
#41

### Re: If the World is Round....

08/22/2018 7:50 AM

__________________
Eternal vigilance is the price of knowledge. - George Santayana
Guru

Join Date: Mar 2011
Location: ''but, don't we get PAID to ask questions?...''
Posts: 1661
#42

### Re: If the World is Round....

08/22/2018 12:21 PM

No matter where we're standing, each of us has an individual vertical axis which is parallel to the direction of gravity at the particular point we each happen to be standing on, at the particular point in time, and perpendicular to the surface of the idealised oblate spheroid that officially represents the Earth's surface...

...and, due to gravitational anomalies, our personal vertical axes do not all point to exactly to the physical center of said spheroid...

... but, relatively speaking, any two of us, standing at exactly opposite points on the surface of said spheriod will seem to be standing upside-down in reference to each other...

__________________
''illigitimi non carborundum...''(i.e.: don't let the fatherless (self-deluding,sabotaging, long-term-memory-impaired, knee-jerking, cheap-shotting, mono-syllabic, self-annointed, shadow-lurking, back-biting, off-topic-inquisitors) grind you down...)
Guru

Join Date: Sep 2008
Location: Vancleave, Ms about 30 miles inland from Biloxi and the coast
Posts: 3197
#43

### Re: If the World is Round....

08/23/2018 12:34 PM

I'm sorry, but it is something I just can't comprehend. Maybe a kid in middle school might be able to explain it to me.

__________________
Mr.Ron from South Ms.
Guru

Join Date: Aug 2005
Posts: 5741
#44

### Re: If the World is Round....

08/23/2018 1:58 PM

Look at Rixter's picture in reply #6.

Should get you thinking the right way.

__________________
We are alone in the universe, or, we are not. Either way it's incredible... Adapted from R. Buckminster Fuller/Arthur C. Clarke
Guru

Join Date: Apr 2017
Location: Southern Illinois
Posts: 627
#45

### Re: If the World is Round....

08/24/2018 10:45 AM

The key to most problems of understanding, is realizing that reference-points are mostly arbitrary. If you can easily shift your view-point from one reference-point to another, then you'd be able to understand the "weirdness" of different views. When talking to someone else, it's best to ensure that both of you are using the same point-of-reference, instead of just assuming you are. Then, Relativity becomes a completely different (interesting) animal.

__________________
Science is the "cookbook" for making things.
Power-User

Join Date: Mar 2010
Location: The Canyons of the Ancients
Posts: 356
#82

### Re: If the World is Round....

10/20/2018 11:33 PM

you should reveal yourself.......this is something we all know. Don't be embarrassed. And the Aussies stand proud and never upside down.

__________________
" looking for conscience in the brain is like looking for the band in the radio" N. H.
Interested in this topic? By joining CR4 you can "subscribe" to