this post was submitted on 12 May 2026
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xkcd

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xkcd #3244: Pullback Drive

Title text:

"How does the spring not run out almost immediately?" "We pull it back REALLY far."

Transcript:

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Source: https://xkcd.com/3244/

explainxkcd for #3244

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[–] eigenraum@discuss.tchncs.de 33 points 5 days ago (3 children)

Exactly what I'm looking for, I live on a mountain and work in the valley.

[–] Opisek@piefed.blahaj.zone 24 points 5 days ago (2 children)

For this to work, you've gotta bring more weight down than you do back up.

Thankfully, you can just leave all your hopes and dreams at the workplace to make your car lighter on the way back!

[–] xylol@leminal.space 16 points 5 days ago

Also your poop, drink coffee on the way in

[–] spamspeicher@feddit.org 5 points 5 days ago

Or get free delivery of dumbbells and other heavy stuff to your house and send them back from your workplace.

[–] egrets@lemmy.world 9 points 5 days ago

So you reverse the car to work and then coast your way home on spring power? I guess you'd have to go the long way into work.

[–] death_to_carrots@feddit.org 2 points 5 days ago

Sounds like a gravity battery.