Veritasium simulates “six degrees of separation” and shows how network shortcuts, weak ties, and hubs accelerate everything from gossip to pandemics. Building on Duncan Watts’ small-world model, Steve Strogatz’s storytelling, and Barabási’s preferential attachment, the video reveals why we’re all just a handful of connections away and how disease or ideas can go viral in seconds.
Along the way you’ll explore the strength of weak ties, the Prisoner’s Dilemma, network hubs, and even tweak the simulations yourself. The key takeaway? A few well-placed links can reshape entire networks, so your own connections and behaviors can literally change the world.
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