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Why your outdoorsy friend suddenly has a gummy bear power bank

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258 points arnon | 1 comments | 21 Sep 25 12:31 UTC | HN request time: 2.006s | source

https://archive.ph/1G2Ut
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Zanni ◴[21 Sep 25 12:52 UTC] No.45322277[source]▶
Why your [ultra-light hiker] friend suddenly has [the world's lightest] power bank.

I remember Colin Fletcher, years ago, writing in The Complete Walker about trimming the borders off his paper maps to save weight, which seemed like an insane over-optimization to me. But then, I'm not an ultralight hiker.

I am impressed folks are getting their loads down to 10 pounds though.

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binary132 ◴[21 Sep 25 15:06 UTC] No.45323399[source]▶
I mean, maybe that makes sense if you carry 50+ pages of maps, but carrying a whole book of maps on a single expedition doesn’t.
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JohnFen ◴[21 Sep 25 15:23 UTC] No.45323571[source]▶
Paper is very heavy. Even if you just carry a single map, you could likely save much of an ounce by trimming the borders.
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eru ◴[22 Sep 25 00:58 UTC] No.45328104[source]▶
If you are bringing your phone anyway, might as well use that for your mapping needs?

You can have a backup paper map inked on your skin.

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prawn ◴[22 Sep 25 01:11 UTC] No.45328173[source]▶
I have previously wondered about printed handkerchiefs and bandanas that functioned as backup maps. Invest in my kickstarter!
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1. eru ◴[22 Sep 25 06:38 UTC] No.45329809[source]▶
That's a great idea!

(Mildly amusing, I first read 'printed handkerchiefs and bananas'. Like paint your map on the skin of your apple, or the shell of your hardboiled eggs.)