Abstract: This paper reports a novel method for the fabrication of 3-dimensional (3D) Polydimethylsiloxane (PDMS) micropillars with concave and convex lens tips in a one-step molding process, using a ...

Abstract: We report in this letter a concave-convex microlens (CCML) consisting of two different high curvature surfaces. Compared with the conventional plano-convex microlenses, the CCML not only ...

Sir Isaac Newton once wrote, in what must be one of the most oft-quoted lines in the history of science, "If I have seen further it is by standing upon the shoulders of giants." Well, any of us who ...

The lens focuses light and images onto the retina to help you see clearly. As you age, your lens may lose flexibility and become cloudy, leading to presbyopia and cataracts. The lens is a curved ...

Viltrox has announced the first offering in a new lens lineup, the AF 85mm F2.0 Evo FE. The third-party lens maker is promising edge-to-edge clarity, fast autofocus, and a compact design from its ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Please Note: All times UK. Tables are subject to change. The BBC is not responsible for any changes that may be made. Manager: Pierre Sage Formation: 3 - 4 - 2 - 1 Manager: Roberto De Zerbi Formation: ...

Caroline Banton has 6+ years of experience as a writer of business and finance articles. She also writes biographies for Story Terrace. Robert Kelly is managing director of XTS Energy LLC, and has ...