“When one of them happens to pass in front of the background star in the distant galaxy along the line of sight with Earth, it acts as a microlens, in addition to the microlensing effect of the ...

Abstract: This paper proposes an wideband (20 GHz) transparent metasurface for mobile phone glass covers. This metasurface enhances 5 G/6 G mm-wave transmission and mitigates the negative impact of ...

Then click OK. The picture becomes transparent. There is another method that you can use to make your picture transparent. Click the picture. Yes, the PNG format supports transparency. In ...