When the Earth’s shadow and sunlight scattering transform the Moon into a stunning crimson When the Moon slips into Earth’s shadow and glows red, it’s not just science — it’s spectacle. Across history ...

Here are the best star projectors under $100, so you can have quality projections in your room without breaking the bank. Fortunately, some of the best star projectors come in under the $100 mark, so ...

In my opinion, the Bahtinov mask is one of the most useful inventions for astrophotography. The traditional use of a Bahtinov mask is for focusing a telescope only and is not used for collimation of ...

Abstract: In this work, we study probabilistic shaping (PS) for optical wireless communications and apply the technique to wavelength division multiplexing (WDM) based visible light communication (VLC ...

Institute of Physics, Karl-Franzens-University, Universitaetsplatz 5, A-8010 Graz, Austria, and Institute of Solid State Physics, Graz University of Technology, Petersgasse 16, A-8010 Graz, Austria ...

Before CT came into use, planar radiography and fluoroscopy comprised all non–nuclear medicine uses of ionizing radiation in imaging. In those types of examinations, the radiation dose to the patient ...

Contribution from the Department of Applied Chemistry, School of Engineering, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan, National Laboratory of Molecular and Biomolecular ...