Building an AI application usually means stitching together half a dozen systems: a relational database for app state, a vector store for embeddings, a graph database for relationships, and glue code to keep them in sync. HelixDB is an open-source database that tries to collapse that stack into one engine …

Have You Ever Wondered How Instagram Always Knows?

How Instagram knows to suggest "people you may know" — and somehow it's always eerily accurate? Or how a fraud team at your bank can spot a suspicious ring of transactions in seconds, when the connections span dozens of accounts?

The secret, a …