The Zen teacher Chuang Tzu dreamed he was a butterfly. When he woke, he wondered, "Am I a man who dreamt about being a butterfly, or am I really a butterfly who now dreams about being a man?" The ...
View of Moon Limb with Earth on the Horizon, NASA (1969) Source: Public Domain Back in 2017, I was interviewed by the Spanish newspaper El País Semanal about Flat Earthers, based on my first blog post ...
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