[philjohn]

I think the families of the tens of thousands of people killed in the Japanese Tsunami last year would disagree.

[heliodor]

Yes, one day space will hurl us an asteroid and we'll be doomed.

My point was regarding transportation through a given medium.

[moonchrome]

Still it's undeniable that progress has been made. It's incremental and there are trade-offs, in the future we could have protective domes spanning entire cities that would withstand that amount of pressure for eg.