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by sha-3 1386 days ago
Title text for them smartphone users: In Universe Pro®™ the laws of physics remain unchanged under time reversal, to maintain backward compatibility.

xkcd explained link: https://explainxkcd.com/2666
1 comments
MerelyMortal 1386 days ago
On Firefox for Android, you can just press-and-hold the image to see the alt-text, or https://m.xkcd.com has "alt-text" that you can tap on to toggle it.
link
tambourine_man 1386 days ago
Same behavior on iOS Safari
link