Today's programs for defending against missile attacks are less ambitious than the Reagan-era Star Wars efforts. But the new systems are still too easily foiled, and their deployment would slow arms cuts.
Densely populated Third World megacities, choking on polluted air, provide a splendid opportunity for introducing electric vehicles on a large scale.
...unless the government permits, oversees, and funds sensible cloning research
Collecting, selecting, and refining the stories that go online, web-based magazines are transforming the internet experience. But these embryonic publications don't yet fully exploit the new medium's potential-and their financial viability is in question.
Hubble Vision: Astronomy with the Hubble Telescope
Escape Velocity: Cyberculture at the End of the Century
An inside look at research at MIT.