Let's hear about technological achievements in your lifetime that really impressed you.
For me the one that comes to mind is the repair of the Hubble Space Telescope. The thing went up in 1990 at a cost of several billion dollars, and it was defective to the point of being useless. So they sent a team up in 1993 via the space shuttle to do a few space walks and fix the thing. I though "Well alright!" it's one thing to send up a satellite, it's another thing to go up and fix the thing. We have truly entered the space age in a practical way.
Some of the things Hubble has done since then are truly amazing. Such as detecting galaxies that are over 13 billion light years away. That's quite a number.
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