Abstract: Optically pumped magnetometers (OPMs) based on the spin-exchange relaxation-free (SERF) regime are advancing toward a high-density array for wearable magnetoencephalography (MEG) ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

A young computer scientist and two colleagues show that searches within data structures called hash tables can be much faster than previously deemed possible. Sometime in the fall of 2021, Andrew ...

The Second World War was the most widespread and devastating conflict in human history. It pitted the full might of industrialized nations against each other in an existential battle on sea, air, and ...

Iran projects power through a web of allied militias that it influences with money and weapons. But as the region sits on the brink of a wider conflict, the degree to which it can rely on its partners ...

Alternatively, for those interested in customization or perhaps a more hands-on approach, all of the parts required to assemble the AR4 can be 3D printed. This versatility makes the AR4 an excellent ...