Antipode Map, (Tunnel Map)

[billt]

http://www.findlatitudeandlongitude.com/antipode-map/#.VUYWjGeJjl4

This is pretty cool. An Antipode is the geographical 180 degree global opposite. This map allows you to click and drag the crosshairs on one side of the map to any location on Earth. The other map will then show you the geographical Antipode of it. Basically, where you would come out if you drilled a theoretical hole through the Earth at that location. For example, for Vietnam it would be Peru. For New Zeland it would be Spain, and so on. Antipode locations would make for the longest airline flights. Kind of fun to mess with.

[Timothy]

So it's kinda tough to dig to China after all?

 

[billt]

So it's kinda tough to dig to China after all?

 

That is what made me want to post this. I've been hearing that since I was a kid. Even made a movie with that in the title. Remember the "China Syndrome". If it took place in this country it would be more accurately called "The Indian Ocean Syndrome".

[Timothy]

That is what made me want to post this. I've been hearing that since I was a kid. Even made a movie with that in the title. Remember the "China Syndrome". If it took place in this country it would be more accurately called "The Indian Ocean Syndrome".

Yes, me too but I had a junior high teacher show us on a globe with a sharp pointing thing.  He stabbed Michigan with pokey thing and it popped up SW of Perth Australia!

I stopped digging after that!   

[billt]

I compared latitude and longitude once, and thought Phoenix would come out opposite of Christmas Island, near Indonesia. It turned out that was opposite of Bogota, Columbia........

Actually that is wrong. It's in the middle of the Indian Ocean, southeast of Madagascar. 

[Sponsor]

[Solus]

As an aside, IF that tunnel could be dug and all the problems over come...like having a tube that could be evacuated of air and a "car" that could be, say, magnetically kept centered in the tube, and the heat abated...and what every else might arise,  the time to make the transit from one side to the other would be 42 minutes.

The car would free fall accelerating to the center of the earth in 21 minutes and them decelerate going away from the center for the next 21 minutes...with no propulsion other than gravity.  Of course, maintaining that tube would be a bit costly.

Now..rather than go through the center, if you did the same thing with a secant tunnel, a tunnel going from one point on the surface to another point on the surface, with the same type of tunnel environment, the transit time would, again be 42 minutes.

NY to SF in 42 minutes.

[Big Frank]

Opposite of me is the middle of the Indian Ocean. I expected it to be China after all the stuff we heard as kids.

[alfsauve]

The car would free fall accelerating to the center of the earth in 21 minutes and them decelerate going away from the center for the next 21 minutes...

Fine if you can evacuate the air as you said.  Talk about a "collider" if you dropped something in the tube at both ends at the same time the final closing velocity at the center would be about 74,000 m/h

[ellis4538]

Please stop, you're giving me a headache!

Richard

[Solus]

Fine if you can evacuate the air as you said.  Talk about a "collider" if you dropped something in the tube at both ends at the same time the final closing velocity at the center would be about 74,000 m/h

I figure if we can do one tube, we can make a pair in tandem...and set them to only one direction to avoid collisions.

With no fuel costs dropping the cars in as fast as the other end can be cleared would be the most cost effective setup.