The Icelandic volcano that disrupted global air travel last week raised a concern: should we be thinking of alternative ways to move masses of people and goods? Scientists warn that more eruptions may cause new turmoil in the months ahead, a prospect that has generated discussion of future — even futuristic — modes of transportation. Can anything replace the plane? If so, what is exciting to dream about, while waiting in the airport departure lounge?
read more: http://roomfordebate.blogs.nytimes.com/2010/04/22/the-new-age-of-travel-blimps-and-beyond/