The Gravitational Wave Background is a signal older that the Cosmic Microwave Background that may help us understand how the Universe was created. The International Pulsar Timing Array and NanoGrav are a global collaboration to detect and characterize the low-frequency gravitational waves by measuring the radio emission of millisecond pulsars thousands of lightyears away. 0:00 Measuring the lowest frequency Gravitational Waves in the Universe 1:25 What are gravitational waves? 4:08 The International Pulsar Timing Array 7:57 Humanities Most Difficult Experiment 10:34 The International Pulsar Timing Array second data release Interested in what I do? Sign up to my Newsletter. 100% free forever and good for the environment. https://drbenmiles.substack.com/ My Links: https://www.instagram.com/drbenmiles/ A few people have asked so I've added the info below. Some of these are affiliate links. If you make a purchase it doesn't cost you anything extra, but a percentage of the sale will help support this channel and my work to bringing entrepreneurship into science. My gear: My camera : https://amzn.to/3ed5Xac My lens: https://amzn.to/3xIAZyA My lav: https://amzn.to/2SeE20Y and https://amzn.to/3nK33wA My mic: https://amzn.to/3gUYYEv