We have our first million-dollar card sale of 2026, and it's a title fit for the King. A 2003 Topps Chrome Gold Refractor LeBron James Rookie /50, graded PSA 10, sold on Friday for $1.11 million, ...

Abstract: For the electromagnetic (EM) vortex imaging purposes, the sidelobe suppression and the beam collimation method in the generation of orbital angular momentum (OAM) beams is proposed. Based on ...

Celestron FirstScope 76: Very affordable and ideal for kids or as a quick backyard scope. Despite the small size, you can easily catch the craters of the moon and even glimpse Jupiter’s moons.

Australia’s AMP has sold its investment management subsidiary Collimate Capital, formerly AMP Capital, to two companies. The deals will see Collimate’s international infrastructure equity business ...

Abstract: We report a novel three-segmented fiber-collimator using self-assembled fluorinated polymer lens and a beam expanding coreless silica fiber of 200-μm diameter spliced to single-mode optical ...