Becoming innovative requires the right kind of cash, a high-tech infrastructure, a culture of passion-and the ability to think outside the balloon.
Five years ago, the FAA set out to revolutionize air traffic control. Their comprehensive plan failed to attain airspeed-will an incremental approach fly before aerial gridlock sets in?
From the editor in chief
We can solve the electronic privacy problem, if we can just agree on how much privacy we really want.
After a decade of hype, microscopic mechanical systems are poised to make major changes in the size of our cell phones, the reliability of our communications systems-even the way "Star Wars" is shown.
After 20 years of plodding development, the Global Positioning System remains a novelty for niche markets. The system's future hinges less on technology than on politics, economics and human nature.