https://joshdillon.com/teaching daily 0.75 2022-04-07 https://joshdillon.com/research daily 0.75 2020-03-20 https://images.squarespace-cdn.com/content/v1/5166fe0de4b035d7483122fb/1538439510925-TRYKLXPTVKVCRW63XHO1/Screen+Shot+2018-10-01+at+5.17.43+PM.png Josh Dillon -- Research A rendering of the 320 dishes in the core of HERA, currently under construction in the Karoo Desert in South Africa. Image Credit: Dave DeBoer https://images.squarespace-cdn.com/content/v1/5166fe0de4b035d7483122fb/1538439274289-JNOXE90SUIPW9VMYVT3L/CosmicDawn.png Josh Dillon -- Research By surveying the early universe topographically with redshifted 21 cm radiation, we hope to make precise measurements of the conditions and evolution of the universe during the “Cosmic Dawn” that took place during the first billon years. Image Credit: Scientific American. https://joshdillon.com/talks daily 0.75 2025-12-16 https://images.squarespace-cdn.com/content/v1/5166fe0de4b035d7483122fb/1602781427665-I0T4WPJ4B5KLWDZZHHWC/IMG-0145.jpg Talks https://joshdillon.com/home-1 daily 1.0 2023-07-06 https://images.squarespace-cdn.com/content/v1/5166fe0de4b035d7483122fb/1503522194775-N06VRO1TKRZEANWRJF6D/IMG_5902.jpg Josh Dillon HERA site visit, South Africa, 2017