# Tell us an interesting random fact you stumbled across (Part 1)

**URL:** <https://boards.straightdope.com/t/tell-us-an-interesting-random-fact-you-stumbled-across-part-1/851674>\
**Category:** Miscellaneous and Personal Stuff I Must Share\
**Created:** [April 13, 2020, 3:19am UTC](https://boards.straightdope.com/t/tell-us-an-interesting-random-fact-you-stumbled-across-part-1/851674 "2020-04-13T03:19:22Z")\
**Posts on this page:** 1\
**Showing post:** 2528

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**Author:** ![Melbourne](https://avatars.discourse-cdn.com/v4/letter/m/b5e925/32.png) [@Melbourne](https://boards.straightdope.com/u/Melbourne)\
**Post date:** [August 24, 2021, 7:45am UTC](https://boards.straightdope.com/t/tell-us-an-interesting-random-fact-you-stumbled-across-part-1/851674/2528 "2021-08-24T07:45:40Z")

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From another thread

> [@How small is the smallest microchip? How large are vaccine needles?](https://boards.straightdope.com/t/how-small-is-the-smallest-microchip-how-large-are-vaccine-needles/949218/62):
>
> “Ω and ο, ‘Omega’ and ‘omicron’, are literally ‘Big O’ and ‘Little O’.”

I don’t know any Greek. In electronics, ‘Big O’ is normally pronounced Ohm (is the symbol that represents Ohm), after physicist George Ohm. I’m going to start thinking ‘Big O’ every time I see it: “that’s a 33 Big O resistor there…”

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