Explaining concrete while getting buried in it

Concrete = cement + sand + gravel. Cement is the most important man-made material on Earth. Offset your carbon footprint on Wren: https://wren.co/veritasium . For the first 100 people who sign up, I will personally pay for the first month of your subscription! ▀▀▀ A huge thank you to Nevada Ready Mix for being willing to bury me in concrete, especially Elu Chavez and Mike Sherwood. https://www.nevadareadymix.com And to Brandon Birchak of Six Foot Productions for providing the big fish bowl, sa

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I am about to get buried in concrete and while that's happening I'm going to explain everything you need to know about this substance so the first thing that I want to clear up is the difference between cement and concrete because people often mix these up okay cement is like the glue it's the Matrix of stuff oh there I feel it okay that feels good now concrete is cement plus aggregate so plus gravel and sand and this is filling up really rather quickly cement is the most important man-made substance on the planet we use more of it than any other substance apart from water every year 500 kilograms of cement are created for every man woman and child on Earth and that amount of cement can make two cubic meters of concrete which is about two of these big fish bowls this video is sponsored by Ren I don't think people realize just how important concrete is so here's another way to think about it every year we make a certain weight of goods out of copper more out of