Of all the ways to spend time staring at screens, may we suggest the Netherland's visdeurbel? That’s Dutch for “fish doorbell,” a crowd-sourced system to help migrating fish swim through Utrecht’s canals using an underwater camera and a website.
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Of all the ways to spend time staring at screens, may we suggest the Netherland's visdeurbel? That’s Dutch for “fish doorbell,” a crowd-sourced system to help migrating fish swim through Utrecht’s canals using an underwater camera and a website.