Gunite experiments begun in late 1977 required almost seven years before working smoothly

Entities in the same semantic neighborhood but without a typed relation to this one — candidates for new edges or unrecognized duplicates.

• Oberon System completed in three years (1986-1989) by two part-time programmers with initial estimate accurate.finding0.685
  Empirical result showing feasibility of complete OS+compiler design with minimal team; validated their time estimate.
• About Blank will establish phenomenological AI evaluation as a recognized field within 18-36 months.prediction0.674
• Heavy timber house has expected lifespan of several hundred years versus 30-40 years for stud constructionfinding0.672
  Alexander's finding that cost-per-year of heavy timber is actually lower than stud construction despite higher initial cost.
• The 30-coin thought experiment shows the step-by-step approach works (about one minute) while the all-or-nothing approach does not (about 300 years), and this is the secret of biological evolution.claim0.670
  Mathematical argument that adaptation without stepwise process is statistically impossible.
• Gestalt psychologists' 1930s experiments established that all observers make figure-ground saliency judgments in more or less the same wayfinding0.666
  Foundational empirical support for the principle that subjective perceptual reports can be objective and shared
• The eval wedge works as entry point; pivoting in 12-18 months is success path, not failure.claim0.665
• Stress sharing populations reached target morphology by generation 400, significantly faster than hardwired (1000) or without-sharing populationsfinding0.665
• On-site installation time allowed: 2 monthsfinding0.664
  The entire marble floor had to be laid, ground, and polished within two months due to project schedule.