In an ideal case, optical rays refracting through a spherical lens can be made to converge at a single point known as the focal point. However, in practice, rays fail to converge at a single point and ...

Abstract: This article proposes a ray-tracing and physical-optics (RT-PO) model that allows for an accurate and time-efficient evaluation of planar Mikaelian lens antennas implemented by parallel ...

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New warships: President Trump said on Monday that the Navy would build two new “Trump Class” warships, with the eventual goal of acquiring 25. The announcement was the latest example of the president ...

Stanford University has introduced a new framework of computational tools and AI assistants able to speed up the design of freeform metasurfaces and associated optical systems. The new toolbox has ...

Data provider Information Services Corp. ISC-T has attracted a number of potential buyers, including at least three pension fund managers, after facing an activist campaign and launching a strategic ...

RBSE 12th Time Table 2026: The Rajasthan Board of Secondary Education (RBSE), Ajmer has officially released the RBSE Class 12 Date Sheet 2026 for students appearing in the RBSE 12th Board Examinations ...

CBSE Class 12 English (Core) Deleted Syllabus 2025: The Central Board of Secondary Education (CBSE), a national-level board of education in India, has revised its curriculum. This article details the ...

The Central Board of Secondary Education (CBSE) will begin the Class 12 board examinations for the 2025–26 academic session in February 2026. As per the announced schedule, the CBSE Class 12 ...

Abstract: Set to fly in the Fall of 2013 from Ft. Sumner, NM, the High Energy Replicated Optics to Explore the Sun (HEROES) mission is a collaborative effort between the NASA Marshall Space Flight ...