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Re:Launch HN: Heimdal (YC S21) – Carbon neutral cement by justshowpost on Monday August 02, 2021 @03:09PM (#28041261)
If this is as good as promised, you should apply for Elon Musk's XPRIZE [1]. Take the $50 million to scale this up faster. Plus, if you win you probably get to talk to Elon. I doubt there is anyone that has better tipps on how to scale and iterate a business than him.

[1]: https://www.xprize.org/prizes/elonmusk

Re:Launch HN: Heimdal (YC S21) – Carbon neutral cement by marcuslima on Monday August 02, 2021 @05:12PM (#28042705)
Definitely one for us to get involved with. Unofrtunately it's a 5 year timeline, but that's still not a bad ROI