In the anime "Mobile Suit Gundam 00 (Double O)", which I watched when I was a student, there was a space solar power generation system* with towers jutting out from the earth into space, and when I saw it, I thought, "Wow, it must be very efficient to generate solar power in the vastness of space. But I soon forgot about it, and the time went by. *) In the setting of the anime, in 2307 A.D., humanity had commercialized a space solar power generation system and an orbital elevator as an alternative energy source to depleted fossil fuels (Wikipedia). Today, more than 10 years have passed, and I remembered the above when Obayashi Corporation's "Space Elevator Construction Concept" came up in a magazine I saw without thinking. 宇宙エレベーター建設構想｜季刊大林 (obayashi.co.jp) I was shocked to see that what was only an ideal in an anime is now being considered as a real corporate vision (in 2050 A.D.). In the magazine, the idea was raised from a dream to a reality by the ...