Recent content by DEvens

The good thing about Python is, it's easy to get started coding. In a few hours you can be hacking stuff that runs. The *BAD* thing about Python is, it's easy to get started coding. In a few hours you can be hacking stuff that runs. So there's nothing to encourage you to look for good coding...

You should look first inside your own country. If there is nothing interesting to you there then look outside. Lots of countries will be reluctant to let non-citizens work in the space industry. There is something to be said for somebody who knows how to work hard and does so. Lots of guys...

That's for complex numbers. This one for calculus. https://www.amazon.com/Schaums-Solved-Problems-Calculus-Outlines/dp/0071635343/?tag=pfamazon01-20 And if that one is too easy, this one. https://www.amazon.com/Schaums-Outline-Advanced-Calculus-Outlines/dp/0071623663/?tag=pfamazon01-20...

Re: Versions of VisEd. The executable that shipped with the last MCNP 5, and the one with up to MCNP 6.1, and the one that you get from the separate package, were identical. When I started having trouble I checked that I had the right version and compared all three. Down to the byte, identical...

My experience has been that VisEd is only useful to view your MCNP inputs. Trying to edit within VisEd is not worth it. For example, I would get frequent crashes that required me to delete a bunch of files created by VisEd in order to get it to start again. If you are trying to use the 3D...

Now my thoughts on explaining physics for YouTube. I might be the only person in the audience for this suggestion. But it's what I like. I want to see the theory and the experiment both. For example, Newton's first law explained as equations and such, and then demonstrated. There's a cool...

There are already a quite few scientific journalist type YT channels. Sabine Hossenfelder is one. She will supply your daily dose of cynicism in nearly every vid. Mostly physics, but lots of other topics. Another is Anton Petrov. He will supply more upbeat and excited recap of scientific...

That's a pretty little problem. Yes, it is possible for the lower mass to lose contact with the table. The motion right after that is a lot more complicated to work out. But recall your formula for centripetal acceleration. And note that at the t=0 moment you have a lot of really cool...

About lowering the internal pressure below atmospheric and "sucked in." There is a Star Trek reference. Riker: "You were right. Somebody blew the hatch and they were all sucked out into space." Data: "Correction, sir, blown out." Riker: "Thank you, Data." Data: "A common mistake, sir." Riker...

There is a lot going on here. I think the quoted text is talking about the ideas of a Popper-like approach to science. But let me sneak up on it. There is the subject of english meanings of words like "prove." This is quite a bit laxer than a scientific meaning of it. It could be "make...

About physics in industry. I only know about the nuclear industry in Canada. There is some indications of new build in Canada. So it could be a good place to start a career right now. There are some places that do research. Chalk River labs for example. There are some companies that are doing...

I don't have Excel installed right now so I can't graph your data. But here's what I would do. Plot your data. Try to guess what a good shape for λ as a function of z. That is, find λ(z). Just eyeballing the data it looks like a straight line fit is not hopeless but not particularly good...

Is it the nuclear renaissance? Or is it just a flash? $1 Billion to restart Three Mile Island, at least partly because Microsoft has a data center that needs power. Google is going to pay to get a reactor restarted in Iowa. Ontario to invest $1 billion for small modular reactors at Darlington...

The word "rigorous" is doing a lot of heavy lifting here. You should figure out which specific area of physics (or math or etc.) you want to start in. And learn the stuff that will get you going there. Physics is really keen on calculus for example. Get as much of it into you as you can...

Oh, I didn't notice the insite article. How do I delete a posting?