1969 introductions

thumb|upright=1.34|A "No More Karoshi" protest in Tokyo, 2018 thumb|500px|Deaths due to long working hours per 100,000 people in 2016 (15+) thumb|right|500px|Average annual hours actually worked per worker in OECD countries from 1970 to 2020 , which can be translated into 'overwork death', is a Japanese term relating to occupation-related sudden death.

physical development scale of children, adolescents, and adults

nonlinear measure of a ship's overall internal volume

thought experiment about a game involving a reliable predictor of the player’s actions

Dutch singles sales chart

The Microcassette (often written generically as microcassette) is an analog audio cassette storage format, introduced by Olympus in 1969.

non-commercial mass media where the general public can create content

the problem of finding adequate collections of axioms for a viable description of a robot environment using first-order logic

refusal of some journals to publish non-new material