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How Silica Gel Took Over the World

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225 points Hooke | 1 comments | 01 Apr 25 19:33 UTC | HN request time: 0.221s | source
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amelius ◴[02 Apr 25 16:56 UTC] No.43558749[source]▶
Silica is great for removing humidity from air. But what I want is to remove oxygen from air, so my food stays fresh longer. Any clean and easy to use substance/method for that purpose?
replies(3): >>43558814 #>>43558857 #>>43558992 #
1. iglio ◴[02 Apr 25 17:06 UTC] No.43558857[source]▶
Vacuum