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All of the following apply:

  • Help!
  • I'm fast
  • I'm fast, hot and huge

Note: The knowledge needed is rather wide, so don't let it stop you.

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1 Answer 1

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I think the answer to this is:

the two-character string 'F1'.

Help!

The F1 key on a computer keyboard opens the Help system for the active window.

I'm fast

Formula One - also known as F1 - is a high-speed (i.e. fast) motor racing format.

I'm fast, hot and huge

The Rocketdyne F-1 was the rocket engine used to power the Saturn V rocket in the 1960s and 70s. To this day it remains 'the most powerful single combustion chamber liquid-propellant rocket engine ever developed' (Source: Wikipedia). In order for rockets using it to escape Earth's atmosphere, this engine would undeniably have been fast, hot and huge!

Initial attempt for the third part (not the OP's intent): In astronomical nomenclature, 'F1' indicates a specific subclass of 'F-type main sequence star'. Being a star, it is definitely fast (travelling at speeds of hundreds of thousands of miles per hour), hot (with some of these burning balls of gas registering at well over a thousand degrees Celsius), and huge (just look at our own Sun, for example - not directly, though...).

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  • $\begingroup$ I have a different thing in mind for the third point. It is still related to astronomy, but not THAT hot and huge...care to give another try? (also, in yes in a way stars are fast, but you wouldn't really call them fast in an everyday/layman's view, right? You'd still call mine fast :) ) $\endgroup$ Commented Jan 4, 2023 at 6:25
  • $\begingroup$ Ahh...no. Maybe instead of "astronomy", I should mention "engineering". It's in between there. $\endgroup$ Commented Jan 4, 2023 at 8:06
  • $\begingroup$ @GeorgeMenoutis Okay, I think I now realise what you're pointing towards - how about now?! $\endgroup$
    – Stiv
    Commented Jan 4, 2023 at 8:12
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    $\begingroup$ yepp! Saw a yt video about an engineer explaining stuff about the Saturn V so it served as an inspiration. $\endgroup$ Commented Jan 4, 2023 at 8:56

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