In this episode we discuss will discuss with Alfredo Carpineti about how light has enabled us to communicate and display images to each other across continents, locate yourself to within a few metres anywhere on earth and to look back in time and see images across the depths of space including black holes which were imaged for the first time in 2019. 
Alfredo (he/him) is an astrophysicist and science communicator. He works as a journalist for IFLScience and he runs a podcast called The Astroholic Explains, where he answers questions about the Universe. You can read more about Alfredo`s exciting work here at https://linktr.ee/theastroholic.