Yet again, the future is shaped by Japan. Why didn't we think of commuting by roller coaster? We're Portland, for christ's sake. We should have been on this like white on northwest.

The train dubbed "Eco Ride" works just like a coaster but without everybody putting their hands in the air like they just don't care. It's cranked up hill for the first station and then just cruises to the next one. Quick, painless, and if we're lucky, containing at least one barrel roll.

Check out the article from New Scientist.