According to TRIZ [1], the perfect device is such that it's not present, but its function is performed. (This device is neat, but is not that.)
[1]: https://en.wikipedia.org/wiki/TRIZ
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alt Hacker News
According to TRIZ [1], the perfect device is such that it's not present, but its function is performed. (This device is neat, but is not that.)
[1]: https://en.wikipedia.org/wiki/TRIZ