SS-18 ICBM
Oscillator
Wikipedia.
Regarding the opening post and the poll, I chose "Other" since the poll should have been multiple choice.
Wisdom is different to knowledge. Ergo, I abstain from the poll.
There's something to be said for both. In the end it's more important to be better at A (thinking for yourself) than B (following what other people say is right). Keeping in mind that (especially in philosophy) much of conventional accumulated knowledge/wisdom is contradictory.Option #6. Thinking for myself instead of letting others do it for me.
That's a terrible source of knowledge, though, because "others" have accumulated untold billions of man-hours of observations that you cannot hope to match.