xkcd feeds.twtxt.net Tue, Oct 10 22:00 2023 (1y ago) Earth Layers The Earth's magnetic field is primarily generated by currents in the liquid outer core, though some geophysicists argue that an unexplained mismatch with models suggests that the Kinder toy contains a magnet. DownloadThe Earth's magnetic field is primarily generated by currents in the liquid outer core, though some geophysicists argue that an unexplained mismatch with models suggests that the Kinder toy contains a magnet. ⌘ Read more ⤋ Read More