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SpaceChem - No Thanks Necessary (6989/3/138)

SpaceChem

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Wanted to capture this, because it's a horrible solution, but it uses only three reactors! The problems occur because of the random nature of the elements coming in. Reactor one receives 25% N³ and 75% O². It discards all O² until it receives Nitrogen, splits the N³ and discards a single atom, pairing this remainder with the next O² to form unstable element O-N-O. Despite the statistics, there is an occasional double delivery of N³, which causes problems - this also has to be ditched.

The second reactor receives 33% Sodium Chloride and 67% Water - it also takes the waste Oxygen from reactor one for the extra O molecule this provide. This reactor ditches all Chlorine and a single Oxygen, to output either the unstable Na-O or breaks the water down to export the unstable Hydroxyl Radical (H-O). These two are easily joined to the to the O-N-O to form either Nitric Acid or Sodium Nitrate.

I had to create a really long pipeline to buffer the Hydroxyl Radical - as these backed up compared to the Nitrogen the whole system was waiting for.

With more predictable inputs I could probably have save both Nitrogen Atoms, rather than discarding 50% of them, but I couldn't predict the order the Nitrogen and Oxygen would be delivered.

Recorded solution for "No Thanks Necessary" from SpaceChem, a design-based puzzle game from Zachtronics Industries.

Download the demo at http://www.spacechemthegame.com today!

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