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The Series Finale of Online Education: Coursera Acquires Udemy

$7.2 billion in combined revenue since 2020. $8 billion in lost market value. This merger marks the end of an era in online education.

Dhawal Shah Feb 11, 2026

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Radio Telescopes

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Explore radio astronomy fundamentals, from detecting invisible cosmic phenomena to understanding interferometry and pulsar timing arrays. Learn through expert lectures on YouTube and The Great Courses Plus, covering SKA telescope technology, gravitational waves, and the search for extraterrestrial intelligence.

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Stanford Physics
Fast Radio Bursts: Extragalactic Transients and Their Origins

Explore the enigmatic world of Fast Radio Bursts, their phenomenology, and remarkable sources. Discover insights from CHIME project and future plans for unraveling these mysterious extragalactic signals.
- YouTube
- 1 hour 11 minutes
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Stanford Physics
The Fast Radio Sky - Exploring Fast Radio Bursts and Their Cosmic Origins - 2024 Bunyan Lecture

Explore the enigma of Fast Radio Bursts with astrophysicist Victoria Kaspi, uncovering their origins and significance in our Universe through cutting-edge radio telescope technology.
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International Centre for Theoretical Sciences
Radio Cosmology without Interferometry

Explore radio cosmology techniques beyond interferometry in this talk by Saurabh Singh, part of a program on radio astronomy and the Square Kilometre Array (SKA) telescope's future contributions to cosmological research.
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International Centre for Theoretical Sciences
Interferometric Data Analysis Demo and Hands-on

Gain insights into interferometric data analysis techniques with hands-on demonstrations led by experts in radio astronomy, preparing you for SKA-era research in cosmology and continuum observations.
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International Centre for Theoretical Sciences
Introduction to Radio Interferometry - Lecture 1

Discover the fundamentals of radio interferometry in this introductory lecture by Narendra Nath Patra, part of a program on radio cosmology and continuum observations in the SKA era.
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International Centre for Theoretical Sciences
21-cm Cosmology from Dark Ages

Explore 21-cm Cosmology from Dark Ages with Rajesh Mondal, part of a comprehensive program on radio cosmology and continuum observations in preparation for the Square Kilometre Array telescope.
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International Centre for Theoretical Sciences
Diving Deep into Clusters and Superclusters in the SKA Era

Explore the study of galaxy clusters and superclusters in the context of the upcoming Square Kilometre Array (SKA) telescope, with insights from researcher Ruta Kale.
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International Centre for Theoretical Sciences
Probing the Central Phase of Reionization with Lyman-alpha Galaxies

Explore how Lyman-alpha galaxies provide insights into the central phase of reionization in this presentation by Isak Wold, part of the Radio Cosmology program preparing for the Square Kilometre Array telescope.
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International Centre for Theoretical Sciences
Probing the Intergalactic Medium During the Epoch of Reionization

Explore how the intergalactic medium during the Epoch of Reionization can be probed, as presented by Raghunath Ghara from the International Centre for Theoretical Sciences.
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International Centre for Theoretical Sciences
The SKA Observatory: Current Status and Role of India in the Project

Discover the current status of the Square Kilometre Array Observatory and India's contribution to this groundbreaking radio telescope project that will revolutionize astronomical research when operations begin in 2027.
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International Centre for Theoretical Sciences
Model-Independent Approaches to Integrating 21-cm and JWST Data from the Epoch of Reionization

Explore model-independent methods for integrating 21-cm and JWST data in radio cosmology, presented by Girish Kulkarni from the International Centre for Theoretical Sciences.
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International Centre for Theoretical Sciences
Advances in Cosmological HI Intensity Mapping with MeerKAT, an SKA Precursor

Explore cutting-edge developments in Cosmological HI Intensity Mapping using the MeerKAT telescope, a precursor to the Square Kilometre Array, and its implications for radio astronomy and cosmology research.
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Progress Towards Measuring HI Auto-power Spectrum with CHIME

Explore the progress in measuring the HI auto-power spectrum using CHIME in this talk by Arnab Chakraborty, focusing on radio cosmology applications and techniques relevant to upcoming SKA observations.
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International Centre for Theoretical Sciences
Advances in Detecting the 21-cm Signal from the Epoch of Reionization

Explore recent advancements in detecting 21-cm signals from the Epoch of Reionization with Leon Koopmans, part of a comprehensive program on radio cosmology and SKA-era observations.
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uGMRT Observation for HERA Calibration

Explore how uGMRT observations support HERA calibration in radio cosmology research, presented by Khandakar Md Asif Elahi as part of the SKA Era program.
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