easy on the gas
Feature Focus: Research aims to make the land of the automobile run more efficiently. By Harry Hutchinson

juiced up
Feature Focus: The next stage in the development of the hybrid car may involve an electrical outlet. By Jeffrey Winters

like life
The future of rapid prototyping may be systems that reproduce their own kind and evolve. By Jean Thilmany

it's in the timing
Clean, fast, and compact, a means of destroying dangerous medical waste went years without takers. That may be changing now. By Harry Hutchinson

searching deeper
After more than four decades investigating the ocean floor, the U.S. Navy's deepest-diving submersible is about to be replaced. By Jean Thilmany

input/output
Metal Art. By Jean Thilmany

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