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Playing the numbers.
Taking shape
The promise of 3-D printing is tantalizing: You envision something, draw it with the right software, and then print it in three dimensions regardless of how many parts it has, how they interlock, orExpand
Arducopter parenting
On school-day mornings, I walk my grade-schoolage son 400 meters down the hill to the bus stop. Last winter, I fantasized about sitting at my computer while a camera-equipped drone followed himExpand
The MBAs of Summer
The engineer's job: It moves toward abstraction: Automated modeling and analysis minimize the practitioner's contact with real hardware
As engineering tasks have become more complex and the tools available to grapple with them have become increasingly sophisticated, the job of electrical engineering has become more analytical andExpand
Software `doctor' prescribes remedies
Knowledge-based trouble-shooting systems for fault diagnosis in a variety of situations are discussed. The basic principles of these expert systems are briefly outlined. Two existing systems areExpand
To Err is Mechanical
Toward simpler, faster computers: By omitting unnecessary functions, designers of reduced-instruction-set computers increase system speed and hold down equipment costs
  • P. Wallich
  • Computer Science
  • IEEE Spectrum
  • 1 August 1985
It is pointed out that examinations, some of them made as far back as the 1960s, of which instruction computers actually execute and how much time they spend executing them appear to indicate thatExpand
Are hospitals heading for intensive care?
  • P. Wallich
  • Physics, Medicine
  • Scientific American
  • 1 April 1994