One of the most striking effects is the 3D mask effect where the mask transmittance and phase are influenced by the mask topography. This study started with Kirchhoff mask model based experiment of ...

The Pulitzer Prize-winning science writer talks about burnout from covering the pandemic and how bird-watching gave him a new ...

U.S. President Donald Trump has quickly plunged into Mideast diplomacy since returning to office last month. Trump’s boldest ...