Breakthrough in Cosmology: PROTOCALC Calibrator Unlocks Secrets of the Universe

Thursday 27 March 2025


Scientists have made a significant breakthrough in the field of cosmology, developing a new calibrator that could help us better understand the universe. The device, called PROTOCALC, is designed to measure the polarization of light emitted by celestial objects, which can provide valuable insights into the nature of the cosmos.


The PROTOCALC team has been working on this project for several years, and their efforts have finally paid off. The new calibrator uses a drone to fly over a telescope and emit a signal that is then detected by the telescope. By analyzing the polarization of this signal, scientists can determine the polarization of the light emitted by celestial objects.


The PROTOCALC team has tested their device in Chile, where they deployed it at an observatory that houses some of the most advanced telescopes in the world. The results are promising, with the device accurately measuring the polarization of the signal and providing valuable insights into the nature of the universe.


One of the key applications of PROTOCALC is in the study of cosmic microwave background radiation (CMB). The CMB is the residual heat from the Big Bang, and it provides a snapshot of the universe when it was just 380,000 years old. By analyzing the polarization of this radiation, scientists can learn more about the universe’s origins and evolution.


PROTOCALC has also been used to study other celestial objects, such as galaxies and stars. The device is able to detect even faint signals from distant objects, allowing scientists to gather valuable data that would be impossible with traditional methods.


The development of PROTOCALC is a significant achievement in the field of cosmology, and it could have far-reaching implications for our understanding of the universe. The team’s work has paved the way for new discoveries and insights into the nature of the cosmos.


In the future, PROTOCALC will continue to be used to study various celestial objects and phenomena. The device is expected to play a key role in upcoming missions, such as the Simons Observatory, which aims to study the CMB and other celestial objects in unprecedented detail.


Overall, the development of PROTOCALC is an exciting milestone in the field of cosmology. The device has opened up new possibilities for scientists to explore the universe and gain a deeper understanding of its mysteries.


Cite this article: “Breakthrough in Cosmology: PROTOCALC Calibrator Unlocks Secrets of the Universe”, The Science Archive, 2025.


Cosmology, Protocalc, Calibrator, Polarization, Celestial Objects, Universe, Cosmological Microwave Background Radiation, Galaxies, Stars, Simons Observatory


Reference: Gabriele Coppi, Nadia Dachlythra, Federico Nati, Rolando Dünner-Planella, Alexandre E. Adler, Josquin Errard, Nicholas Galitzki, Yunyang Li, Matthew A. Petroff, Sara M. Simon, et al., “PROTOCALC, A W-band polarized calibrator for CMB Telescopes: application to Simons Observatory and CLASS” (2025).


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