Abstract: This work compares the effectiveness of four image reconstruction techniques for a ring-array photoacoustic computed tomography (PACT) system: the delay-and-sum (DAS), the interpolated model ...

Imaging technology has transformed how we observe the universe—from mapping distant galaxies with radio telescope arrays to unlocking microscopic details inside living cells. Yet despite decades of ...

With 2025 nearly in the books, let’s revisit some of the highlights of the year in space, from astronomy to spaceflight. If you're enjoying this article, consider supporting our award-winning ...

It comes a day before the deadline for the DOJ to release its Epstein files. One day before the deadline for the Justice Department to release its files on convicted sex offender Jeffrey Epstein, ...

Abstract: In the domains of image processing and computer vision, the exploration of hexagonal image processing systems has emerged as a fundamentally innovative yet nascent methodology that is ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...