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xkcd #3047: Rotary Tool (xkcd.com)
submitted 1 month ago by schnurrito@discuss.tchncs.de to c/xkcd@lemmy.world
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It was great until my thumb slipped and I accidentally launched my telescope into the air at Mach 8.

https://explainxkcd.com/3047/

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[-] moistclump@lemmy.world 0 points 1 month ago

Stupid question… are these RPMs true??

[-] felbane@lemmy.world 0 points 1 month ago* (last edited 1 month ago)

Maybe I'm dense but shouldn't the clock be:

  • H: 0.01667
  • M: 1
  • S: 60

Yep, I'm a dumb, realized after a cup of coffee. Confirmed by the reply below.

I think I'm just going to go back to bed and skip today

[-] SoGrumpy@lemmy.ml 1 points 1 month ago

Yes, you're dense lol. The speeds are correct: the second hand that does one full Revolution Per Minute, the minute hand does one full Revolution Per Hour and the hour hand does one Revolution Per 12 Hours.

[-] intelisense@lemm.ee 0 points 1 month ago* (last edited 1 month ago)

Everything in XKCD is based on truth. That's what makes it so funny... to geeks, at least.

Edit: God damn it, he put 72 instead of 78 RPM. I guess he does make mistakes after all...

[-] sanguinepar@lemmy.world 0 points 1 month ago

He also put 33 instead of 33 and ⅓. Get the pitchforks!

[-] TheOakTree@lemm.ee 1 points 1 month ago

Just a random thought, I always knew that 33 multiplied by 3 is 99 and 33 1/3 multiplied by 3 is 100, but I never considered that 33 is 99% of 33 1/3.

this post was submitted on 06 Feb 2025
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