Learning

Golden Ratio

A ratio within the elements of a form, such as height to width, approximating 0.618.

The golden ratio is the ratio between two segments such that the smaller (bc) segment is to the larger segment (ab) as the larger segment (ab) is to the sum of the two segments (ac), or bclab = ab/ac = 0.618.2.

The golden ratio is found throughout nature

Life Cycle

All products progress sequentially through four stages of existence: introduction, growth, maturity, and decline.

All products progress through stages of existence that roughly correspond to birth, life, and death. For example, a new type of electronic device is envisioned and developed; its popularity grows; after a while its sales platea

Factor of Safety

The use of more elements than is thought to be necessary to offset the effects of unknown variables and prevent system failure.'

Design requires dealing with unknowns. No matter how knowledgeable the designer and how thoroughly researched the design specification, basic assumptions about unknowns of one kind or another are inevitable

“I have a theory that the moment one gives close attention to anything, even a blade of grass, it becomes a mysterious, awesome, indescribably magnificent world in itself. I have tried this experiment a thousand times and I have never been disappointed.

The more I look at a thing, the more I see in it, and the more I see in it, the more I want to se

If you work on anything worthwhile, sooner or later people will care about it and will want you to send progress updates. These could be quarterly investor updates, weekly updates to your boss, emails to adjacent teams, etc. Here are tips on how to do this well.

1. Understand your role, and with each update add to the body of evidence that you’re a goo