Non-digital tech advancements in the 21st century

Reply Sat 14 Sep, 2019 02:48 pm
Hi. I am curious about this. Most advances in tech that I have seen and/or heard about have some kind of ties to computers- smartphones, tablets, streaming services, video sharing sites, social media, apps, and things like Siri, Alexa, Google Assistant, etc.

What non-digital tech advancements are there? There are a few things I can think of. There are electric vehicle charging stations. There's one in the parking lot of the local plaza where I grocery shop.

Scientists have figured out how to create solid light crystals:


We have DVD rental machines/kiosks and flying cars are in development.

There are certain new types of health supplements that I am familiar with.

Please help- thank you.
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Reply Sun 15 Sep, 2019 12:46 am
Someone told me elsewhere:

"Next-generation DNA sequencing has revolutionized biology and medicine."
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Reply Sun 15 Sep, 2019 03:58 am
Wheels on suitcases, we put a man on the moon before anyone came up with the smart idea of putting those two together.
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