Idea ShelfBig engineering ideas, traced end to end.https://ideashelflabs.com/We Traced a Pipe From the Sea to a Lake Below Sea Level. Here's What It Could Deliver, and What It Would Takehttps://ideashelflabs.com/posts/qattara/https://ideashelflabs.com/posts/qattara/One illustrative route across Egypt's Western Desert: a drop that could pay back its own pumping, cheap heat for desalination, and fresh water that could cover today's salt and sand.Sun, 01 Nov 2026 00:00:00 GMT