Y
HN Search
Hacker News Search
new
|
comments
|
top
|
jobs
jostylr
searching PlanetScale…
1.
▲
2.
▲
3.
▲
4.
▲
5.
▲
6.
▲
81 ms
·
331.
▲
by
jostylr
12y ago
The issue is with instantaneous. What does that mean in a relativistic context? Depending on the speed of the observer, "instantaneous" changes. This is fine in reconciling some story in the future, but if there is an action happe
332.
▲
by
jostylr
12y ago
It is a little different if you are going to advertise this to students in a school who can only take advantage of it by breaking the law.
333.
▲
by
jostylr
12y ago
I hope this allows children to play as well. For example, javascript battle does not, as far as I can tell, because it requires a GitHub account which requires being 13. Please correct me if I am wrong.
334.
▲
by
jostylr
12y ago
If you want a rigorously defined and clear version of many worlds, I recommend http://arxiv.org/pdf/0903.2211.pdf It uses the (uncollapsed) wave function to have a mass density on physical space. There are many realiti
335.
▲
by
jostylr
12y ago
The wave function is a function on configuration space, which in non-relativistic QM in our 3-space, is a 3N dimensional space. While a cork on an ocean is an appropriate analogy, it breaks down in that it is higher dimensional and there is
336.
▲
by
jostylr
12y ago
About identical particles, see my other comment at https://news.ycombinator.com/item?id=8556052 But the main point of why Bohmian mechanics over standard quantum mechanics is that the standard one is ill-defined. "Coll
337.
▲
by
jostylr
12y ago
Bohmian mechanics has a very elegant way of dealing with identical particles. I know as I am a coauthor on such papers. The idea is that instead of R^3N with its labels, we use a space with no labels on particles. The only relevant data are
338.
▲
by
jostylr
12y ago
I would suggest that if you want a good and wonderful marriage, then respect is key. Have someone observe the couple and watch the dynamic. I wonder how much of the various graphs could correlate with likelihood of respecting the other. I a
339.
▲
by
jostylr
12y ago
I use literate programming for exactly this kind of tension. You can have blocks of code written elsewhere with a high-level overview for your function, but in the built program, you can see it all in one place the way it will be run.
340.
▲
by
jostylr
12y ago
You definitely should. It is fantastic stuff. His primes example program is good to do. You should also consider writing up some easy programming example such as FizzBuzz. Bootstrapping your code into your own literate programming environme
341.
▲
by
jostylr
12y ago
In that vein, you should consider the ability to coordinate a project using literate programming. It is hard enough to understand a code-base in a single file, but when a project has several different directories with a variety of files in
342.
▲
by
jostylr
12y ago
My literate-programming tool, https://github.com/jostylr/literate-programming , has this feature. It really is nice to be able to pipe bits of code into various other functions for compiling (or evaling). The notion I a
343.
▲
by
jostylr
12y ago
Neat. Do you find that you use that a lot? I have thought about it implementing it in the literate-programming tool I wrote, but so far I have found a split screen editor (vim for me) with search to be fairly effective. On the opposite side
344.
▲
by
jostylr
12y ago
I have found that writing code in arbitrary order is a key feature that is missing in comment-flipping. Not worrying about the order of compilation is defended by saying we can just use functions to do that, but I often find the little stuf
345.
▲
by
jostylr
12y ago
Great to see more tools like this out there. I wrote https://github.com/jostylr/literate-programming which is similarly based on markdown. I use _"section name" to insert code from the named section and use m
346.
▲
by
jostylr
12y ago
As an example, it is very easy to place pilot wave theory on manifolds as these are just differential equations. For the standard theory, it is not at all clear what the main operators ought to be such as momentum. Position, yes, but not ot
347.
▲
by
jostylr
12y ago
Funny that you say that since the particles are pretty much all we do observe. You never "see" the wave function, but you do see where stuff is. To be charitable to Copenhagen, we would say that we do see the results of collapse.
348.
▲
by
jostylr
12y ago
I have been contemplating Julian Barbour's work which has a frame of reference in it. This would make it natural as to what the "now" of Bohmian mechanics would be. That "now" is the mystery at the moment.
349.
▲
by
jostylr
12y ago
The clearest version of Many Worlds that I have seen is from the "Bohmians": http://arxiv.org/pdf/0903.2211.pdf Basically, you get a mass density on physical space by integrating over the wave function. Then
350.
▲
by
jostylr
12y ago
Bohmian mechanics is not classical mechanics. The wave is guiding the particles. If quantum computing is based on the standard quantum formalism then it is also present in Bohmian mechanics. That's a proven fact. So quantum computing i
351.
▲
by
jostylr
12y ago
This brings to mind a talk by someone I saw once who talked of telling the Dalai Lama about Bohmian mechanics. The response was one of gratitude for he had always felt like standard QM was a bit nonsensical.
352.
▲
by
jostylr
12y ago
In pilot wave theory, one can deduce the standard quantum formalism. Operators, collapse, and all the rest just pop right out. So no, there is no experiment that can tell the difference. It is possible that pilot wave theory has predictions
353.
▲
by
jostylr
12y ago
That FAQ is generated by the students of a very trustworthy group. Students typically setup strawman when explaining things. Look more to the source. Also, they are trying to argue against a theory which no one wants to fully specify. So th
354.
▲
by
jostylr
12y ago
Exactly. When I follow these thoughts to their logical conclusion, I always reach the Sudbury model: let the kids figure out what they want to do and learn. Humans (and kids are human) are smart and savvy. Give them a system and they will l
355.
▲
by
jostylr
12y ago
I have this idea too. I call it WriteWeb and I am focusing on git to s3. My thought is to write a book and sell that. It would be aimed at those who want to create content-rich websites (less blogs, more lasting and organized). So the middl
356.
▲
by
jostylr
12y ago
I've been contemplating using my literate programming project https://github.com/jostylr/literate-programming to write a book. It would allow one to do all sorts of things in terms of reordering text, doing macros
357.
▲
by
jostylr
12y ago
I am a bit flummoxed about the lozenge character being used to signify markup. Is it convenient to input by keyboard? Seems like that would be necessary.
358.
▲
by
jostylr
12y ago
I've seen 3 volumes recently posted on Safari Books Online
359.
▲
by
jostylr
12y ago
Do you have thoughts on literate programming? This is turning programming into the act of writing. I find it to be very liberating. Many of the sins mentioned in the article can be addressed with good use of literate programming techniques.
360.
▲
by
jostylr
13y ago
Why not teach math + programming together? I didn't seem to see anyone suggest that. Calculus: simplify and iterate to solve a problem (like Newton's Method). Lots of issues to tackle with. Much more useful than learning formulas
More ›