One of the contentious issues on today's Stack Exchange is the Hot Network Questions sidebar, which can drive a lot of traffic to junk-food questions that can be very poor fits to the sites that host them (and, because of that, it can land a ton of rep on askers and answerers that by normal site ...

The Hot Network Questions sidebar is a bit of a contentious issue, because it tends to promote questions that are often perceived as 'cheap', of relatively low quality, or on the fringes of topicality for the site that hosts them. One reason for this is that they're subject to a feedback loop: t...

Prove that under the supersymmetry transformations: $\delta_\xi A_\mu = \bar{\xi} \gamma^\mu \Psi$ $\delta_\xi \lambda_\alpha = -\frac{1}{2} F_{\mu\nu}\gamma^{\mu\nu} \xi$ the lagrangian $\mathcal{L}_{SYM} = -\frac{1}{4}\mbox{Tr} F_{\mu\nu} F^{\mu\nu} -\frac{1}{2}\mbox{Tr}\bar{\Psi} \gamma^\...

the new Physics SE guest chat sessions have gone generally well this summer (some brief summary/ history); we now have 3 basically successful events with talented/ qualified speakers and am personally pleased/ happy with the outcome so far which for me is mostly "better than expected" overall. it...