# How small is the smallest microchip? How large are vaccine needles?

**URL:** <https://boards.straightdope.com/t/how-small-is-the-smallest-microchip-how-large-are-vaccine-needles/949218>\
**Category:** Factual Questions\
**Created:** [August 20, 2021, 2:07pm UTC](https://boards.straightdope.com/t/how-small-is-the-smallest-microchip-how-large-are-vaccine-needles/949218 "2021-08-20T14:07:45Z")\
**Posts on this page:** 1\
**Showing post:** 62

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**Author:** ![Chronos](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/chronos/32/134_2.png) [@Chronos](https://boards.straightdope.com/u/Chronos)\
**Post date:** [August 23, 2021, 11:19am UTC](https://boards.straightdope.com/t/how-small-is-the-smallest-microchip-how-large-are-vaccine-needles/949218/62 "2021-08-23T11:19:18Z")

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And while we’re at it, \Omega and \omicron, “Omega” and “omicron”, are literally “Big O” and “Little O”.

> [@Francis\_Vaughan](#):
>
> There is no unit, metric or imperial that makes sense with a _micro_ prefix.

Not true: A microchip could very easily be a square one micromile on a side.

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