In the 250-plus years between the invention of the water-powered spinning jenny and artificial intelligence, we have developed technology and technique with the primary aim of reducing the number of people necessary to employ for a given amount of output. On a finite planet, the amount of output must eventually stabilise. We cannot maintain for ever the notion that everyone must have a job in order to be allowed to have a life.
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However Nasa's lunar plans have a major missing part - the lander that will take astronauts to the Moon's surface has not yet been selected.
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這場國情咨文報告現場反應兩極：特朗普點名稱民主黨議員「瘋了」，如在兒童性別醫療議題上嘲笑未鼓掌者。台下的明尼蘇達州民主黨眾議員伊爾漢·奧馬爾（Ilhan Omar）大喊「特朗普是騙子」；德州眾議員阿爾·格林（Al Green）早前抗議被護送離場。民主黨的維吉尼亞州長阿比蓋爾·斯潘伯格（Abigail Spanberger）批評特朗普「說謊、找替罪羊、分散注意力」，未提供實質解決方案，指其移民政策撕裂家庭、將肯尼迪中心改名為特朗普-肯尼迪中心，不符建國者願景。她以三問結尾：「總統是否讓生活更負擔得起？是否保障國內外安全？是否為你而工作？」皆答「否」。加州參議員亞歷克斯·帕迪拉（Alex Padilla）以西班牙語回應，批評移民政策「非法」，呼籲選民選擇團結而非分裂。