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What do railway signals, databases and public bathrooms have in common?

Well, they all use the same underlying mechanism - or in other words, they share the same structure.

And here on The Hidden Things, we believe know that exploring these structures is not only great fun - it also gives you lots of inspiration and food for thought.

Are you going to explore them with us?

 

Oh, and the structure behind railway signals, databases and public bathrooms? Read on to find out… ๐Ÿ˜‰

Yep, that's us!