Lindy Hacker News best | by year | submit | from

The best articles from what-if.xkcd.com, according to Hacker News. Change the ?site URL parameter to try it on any other website. Or click the domain shown after each post title. 2016 Can you use a magnifying glass and moonlight to light a fire? (what-if.xkcd.com) 340 points | 6 years ago with 269 comments

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