First, the high specific surface area SiOC/Ag composite increases the times of reflection and prolongs the propagation path of the electromagnetic wave, which enhances the consumption of ...

Synthetic electromagnetic knot in a three-dimensional skyrmion (2 of 5) (IMAGE) American Association for the Advancement of Science (AAAS) ...

For decades, scientists have been trying to observe and characterize Sagittarius A*, the supermassive black hole at the heart of our galaxy.In May 2022, they unveiled the first-ever image of this ...