berkeman's latest activity

I watched the highlights to see the red cards, and would the two that were for hindering a drive on goal usually be yellow cards in the...

https://www.yahoo.com/news/us/articles/fireworks-truck-exploded-75-hauling-120800979.html...

There are two kinds of lasers, continuous wave (CW) and pulse. Since you're thinking of CW, that is what I will address. Most CW...

https://www.rutgers.edu/news/physicist-eva-andrei-becomes-first-rutgers-professor-earn-kavli-prize-one-highest-honors I'd never heard...

Just make sure that any technical links you post are to valid peer-reviewed journals or mainstream textbooks. That is the gold standard...

Yes. And the traveling waves would need to meet up with the wave generation source in phase in order to add constructively.

Welcome to PF. Please be sure to read the PF Rules (see INFO at the top of the page). We do not allow personal speculation or...

Recent issue with programmers confusing Halloween and Christmas: Oct 31= Dec 25.

There is more to hopper design than that. Rather than walk through the design calculations, I suggest the two sites listed below. They...

Hello everyone, It's been a long time since I posted anything here on PF. After graduating in 2017 with a bachelors degree in EE, I...

I think you should try this, Dave. I accept all responsibilities for your experiment. :smile: EDIT: Unless you have weak arms and...

Mentor Update: Unfortunately the newbie OP has turned out to be a spammer using AI to create this spam setup thread. Fortunately, the...

I would say both. The physics aspects show how things work in detail, but an awareness of the biology shows why the physics is applied...

Welcome to PF. Paging @jim mcnamara and @BillTre