Cosmologist Cynthia Chiang builds telescopes and takes them to some of the most remote (and rugged) places on Earth, searching for radio-quiet places where she can detect whispers of the very early cosmos. His experiments use faint signals from hydrogen atoms to reveal what the universe looked like when the first stars were born and to study the era of cosmic darkness before that first dawn.

Read the full article on Quanta Magazine:
https://www.quantamagazine.org/the-experimental-cosmologist-hunting-for-the-first-sunrise-20230920/

00:00 Cosmologists are looking for answers to these mysteries.
00:38 How to go back in time using a radio telescope
01:45 What is a radio telescope
02:56 Travel to rugged and isolated locations in search of zones of radio silence
03:03 The search for Cosmic Dawn with the PRIZM experiment
04:42 Listening to the Dark Ages and the CMB with the ALBATROS experiment

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#physics #cosmology #space #telescope

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