This 2019 animation provides a time frame and sense of visual scale for successive holders of the distinction of being the world’s tallest building. Of interest is the gap between the Empire State Building and the World Trade Center Towers; the idea that the world’s tallest building could have been in Chicago; and the move …

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In which a robot hair cutting machine is constructed and has its initial use. Thirteen minutes, moderately entertaining, especially the programmed robotic small-talk. Interesting to see how activities undertaken by humans are so difficult to replicate, and often require completely different methods in order to do so. Of great comfort to hair-dressers and barbers everywhere.

I really don’t like generational claims to exceptionalism, but if there’s an aspect of life that is unique to our age it is the scope and speed of change in society. Here’s a video about the locations of video rental change Blockbuster in the US between 1986 and 2019. If your attention span doesn’t extend …

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