Adam Minter, Columnist

Why Monorails Are the Future (Really This Time)

In the developing world, an old technology suddenly makes a lot of sense.

Still a good idea.

Photographer: Keystone Features/Getty
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When Walt Disney opened a monorail at his California Disneyland in 1959, he thought it would be the future of mass transit. For a long time, that seemed unlikely. Although a few cities have built successful monorails, for many people they remained synonymous with amusement parks, a notorious "Simpsons" episode and a future that never quite arrived.

Thankfully, that's about to change.