Lawrence Livermore National Laboratory will have 13 months to develop a low-orbit telescope that will be part of a space ...

Lawrence Livermore National Laboratory will have 13 months to develop a low-orbit telescope that will be part of a space ...

Transition metal diborides (TMB2) are materials of choice for the applications in hypersonic vehicles and scramjet engines ...

From designing tools to exploring ideas, Hari Parameswaran’s life has been a steady pursuit of making science less abstract.

Tokina Cinema has announced two new focal lengths in their Vista-C range, the 21mm T1.5 and 29mm T1.5. Both lenses are now ...

Viltrox is expanding its Air series of compact and lightweight lenses with the newly released AF 15mm F1.7 Air APS-C lens.

Explore how off-axis parabolic mirrors improve optical focus, reduce beam overlap, and boost performance in compact systems and spectroscopy.

This is the largest-aperture zoom available for APS-C mirrorless cameras, but how does it measure up? Andy Westlake finds out. The post Sigma 17-40mm F1.8 DC Art review: the ultimate large-aperture ...

There are many macro lenses that will serve you well, but Canon’s RF F2.8L is a great choice as it features an impressive 1.4x magnification and a variable spherical aberration control to adjust ...

A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda galaxy. Zoom in and explore.

In this contribution, the design of spherical reflectarray antennas is proposed to achieve a compromise between parabolic and spherical surfaces. The spherical surface simplifies the folding mechanism ...