Boring!

[SlyPokerDog]

https://www.inverse.com/article/25376-el

 

[jlprk]

I read this idea in the 70s in Newsweek. It was probably old even then. Imagine a straight-line tunnel between Portland and New York. In the first half of the trip, the subway goes downhill, powered by gravity to a thousand miles per hour. In the second half, it slows going uphill, away from Earth's center. Because of friction, it needs a motor to boost it the last miles. It won't work. Musk's degrees are in engineering and economics (hence his rocket emphasis on reusability), but he's also a salesman.

 

[jlprk]

I just read this article. 31 years in prison, proven innocent, government won't pay him, gets $75.

http://www.independent.co.uk/news/w...e-petition-governor-bill-haslam-a7478396.html

 

[jlprk]

Before that, I read a little science.

https://www.sciencedaily.com/releases/2016/12/161212095342.htm

https://www.sciencedaily.com/releases/2016/11/161117082501.htm

 

[jlprk]

I have read the papers and magazines since at least 1960. I have managed to develop expertise in nothing, including basketball.

 

[jlprk]

Imagine a straight-line tunnel between Portland and New York. In the first half of the trip, the subway goes downhill, powered by gravity to a thousand miles per hour. In the second half, it slows going uphill, away from Earth's center. Because of friction, it needs a motor to boost it the last miles.

A picture will help. Gravity is at the center of the Earth. Imagine the cost. The temperature is a couple of thousand degrees down there.

 

[MARIS61]

Fracking alone is shattering the earth's crust at a rate destined to destroy the planet in our children's lifetimes, well, up until their death actually.

Stacking 30 layers of tunnels under mega-cities is the brainstorm of an utter moron.

 

[bodyman5000 and 1]

This forum is boring. Team sucks and OT is meh now. Thanks Trump

 

[SlyPokerDog]

This forum is boring. Team sucks and OT is meh now. Thanks Trump

 

[bodyman5000 and 1]

Turn off the ignore feature and I'll make OT Great Again.

 

[riverman]

I read this idea in the 70s in Newsweek. It was probably old even then. Imagine a straight-line tunnel between Portland and New York. In the first half of the trip, the subway goes downhill, powered by gravity to a thousand miles per hour. In the second half, it slows going uphill, away from Earth's center. Because of friction, it needs a motor to boost it the last miles. It won't work. Musk's degrees are in engineering and economics (hence his rocket emphasis on reusability), but he's also a salesman.

It will have to be a submarine to cross the underground Midwestern oceans! Probably cause a fault line that will be like the Panama Canal and we can just split the country into two continents