Why doesn’t the Leaning Tower of Pisa fall over? - Alex Gendler
TED-Ed
Why isn’t the Netherlands underwater? - Stefan Al
Will there ever be a mile-high skyscraper? - Stefan Al
Blood, concrete, and dynamite: Building the Hoover Dam - Alex ...
Demolition, disease, and death: Building the Panama Canal - ...
How the world’s tallest skyscraper was built - Alex Gendler
One of the most epic engineering feats in history - Alex Gendler
Why are beavers obsessed with dams? - Glynnis Hood
Building the world's largest (and most controversial) power ...
How the world's first metro system was built - Christian Wolmar
Exports shelf name, visibility, and book metadata. Smallest file, useful for migrating structure if books already exist in target library.
Includes paths to book files relative to Calibre library and any linked URLs. Target library must have identical structure for local files.
Packages shelf data and actual book files (formats, covers) into a single ZIP archive. Most portable, largest file size.