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RE: NATURE INSPIRED INVENTIONS --- Sonar System; and I measured the depth of the sea. It was on my Mark Twain!

in #steemstem7 years ago (edited)

I remember having been especially shocked when I read about it the first time. Like "wow this exists:". As a consequence, I still remember ^^

PS: yep I liked your article. Very interesting topic :)

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Am honored.. Thank you.