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re: The Napkin Ring Paradox
Posted on 10/30/17 at 5:42 pm to chinhoyang
Posted on 10/30/17 at 5:42 pm to chinhoyang
My post contained zero sarcasm. I love for that kind of stuff. It kills me that it’s going away!
Posted on 10/30/17 at 5:43 pm to Slagathor
I wasn't being sarcastic either.
We have allowed common culture to dominate our society, and not for the better.
We have allowed common culture to dominate our society, and not for the better.
Posted on 10/30/17 at 6:04 pm to texag7
Let's say were talking liquid volume.
A 2 inch core out of the earth would take a shitload more liquid to fill than a 2 inch core out of an orange.
I know I'm apparently not getting what it's actually about, but, you know, obvious.
A 2 inch core out of the earth would take a shitload more liquid to fill than a 2 inch core out of an orange.
I know I'm apparently not getting what it's actually about, but, you know, obvious.
Posted on 10/30/17 at 6:07 pm to Open Dore Policy
They aren't talking about the volume of the hole taken out. They are talking about the volume of the ring. It sounds weird but the gif in the OP does a good job showing what they mean.
They are talking about the volume of the area the teal ring is running through. Not the dark gray area.
They are talking about the volume of the area the teal ring is running through. Not the dark gray area.
This post was edited on 10/30/17 at 6:10 pm
Posted on 10/30/17 at 6:08 pm to Open Dore Policy
quote:
Let's say were talking liquid volume.
Volume is volume. Doesn't matter if it's liquid or solid.
quote:
A 2 inch core out of the earth would take a shitload more liquid to fill than a 2 inch core out of an orange.
Well that's true but irrelevant. The issue here isn't about the core, it's about the napkin ring.
Posted on 10/30/17 at 6:17 pm to Halftrack
quote:
This is why I watch porn.
There's porn of this? Rule 34 I guess
Posted on 10/30/17 at 6:31 pm to texag7
The earth isn't a sphere. It's flattened at the poles.
Posted on 10/30/17 at 6:41 pm to Bestbank Tiger
quote:
The earth isn't a sphere. It's flattened at the poles.
Great, we found one of those people.
Posted on 10/30/17 at 6:45 pm to Bestbank Tiger
quote:
The earth isn't a sphere. It's flat
Jesus fricking Christ will you people let go of the flat Earth bullshite?
Posted on 10/30/17 at 6:45 pm to texag7
Cool video. Makes sense intuitively because if you think about it taking a section of the earth only the height of a napkin - with the earth having such a huge diameter - the section you take would have almost no perceptible curvature and the slice would be almost infinitesimally thin.
Posted on 10/30/17 at 6:51 pm to CoachChappy
quote:
No, if you watch the video, it makes total sense.
because I realized I was thinking about the volume of the hole,not the ring
same sort of thing as a rope around the earth a foot high off the earth is only 6 ft longer than a rope around the earth on the earth
Circle and spheres have lots of quirks.
Posted on 10/30/17 at 7:00 pm to When in Rome
Admittedly I’m a moron when it comes to math, but I’m not getting this at all.
Posted on 10/30/17 at 7:01 pm to OysterPoBoy
quote:
These things fascinate me. Did you know that if you had a string 6 inches off the ground wrapping all the way around the earth it would be the same length as a string wrapped around a basketball?
Lol what
Posted on 10/31/17 at 9:20 am to LucasP
quote:
Jesus fricking Christ will you people let go of the flat Earth bullshite?
Thank you, I'm sick of reading this crap. The earth is round and the sun is cold, deal with it.
Posted on 10/31/17 at 9:22 am to texag7
quote:
if you check the math, you’d find that it is very true.
Then it’s not a paradox.
Posted on 10/31/17 at 9:57 am to SlapahoeTribe
quote:
Then it’s not a paradox.
You missed the point. It's impossible to core the earth 2 inches tall and make it into a usable napkin ring.
Posted on 10/31/17 at 10:40 am to gthog61
quote:
same sort of thing as a rope around the earth a foot high off the earth is only 6 ft longer than a rope around the earth on the earth
What'll really bake your noodle is that a rope around a basketball a foot high off the basketball is only 6 feet longer than a rope tightly wrapped around the basketball.
Diameter of the Earth: 41,804,000 feet.
Circumference of the Earth: pi*d = 131,331,139.29 feet
Diameter of the Earth plus two feet: 41,804,002 feet
Circumference of the Earth+2: pi*(d+2) = 131,331,145.57 feet
Difference: 6.28 feet
Diameter of a basketball: 0.796 feet
Circumference of a basketball: pi*d = 2.500 feet
Diameter of a basketball+2 feet: 2.796 feet
Circumference of a basketball+2: pi*(d+2) = 8.78 feet
Difference: 6.28 feet
This post was edited on 10/31/17 at 10:42 am
Posted on 10/31/17 at 10:51 am to ThePoo
quote:
i mean I get what they are saying, maybe they could use a better term? That orange is not cored, It is peeled
This threw me off as well. The illustrations darken the inside areas as well, leading me to believe they were talking about the inside of the sphere, not the outside.
The video cleared it up better.
Posted on 10/31/17 at 12:37 pm to TigerstuckinMS
quote:
What'll really bake your noodle is that a rope around a basketball a foot high off the basketball is only 6 feet longer than a rope tightly wrapped around the basketball.
Diameter of the Earth: 41,804,000 feet.
Circumference of the Earth: pi*d = 131,331,139.29 feet
Diameter of the Earth plus two feet: 41,804,002 feet
Circumference of the Earth+2: pi*(d+2) = 131,331,145.57 feet
Difference: 6.28 feet
Diameter of a basketball: 0.796 feet
Circumference of a basketball: pi*d = 2.500 feet
Diameter of a basketball+2 feet: 2.796 feet
Circumference of a basketball+2: pi*(d+2) = 8.78 feet
Difference: 6.28 feet
Here's one I've always liked: if you take pi to the 39th digit, then it is accurate enough to compute the circumference of the visible universe (a diameter of about 46 billion light years) to within the width of a single Hydrogen atom.
NASA only uses 16 digits of pi in their calculations (when necessary).
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