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phkahler

23,832 karmajoined vor 17 Jahren
Solvespace Maintainer: https://solvespace.com/index.pl

The shell theorem does not apply to galaxies.

Submissions

Open source CAD in the browser (Solvespace)

solvespace.com
374 points·by phkahler·vor 3 Monaten·128 comments

Solvespace v3.2 (CAD)

solvespace.com
1 points·by phkahler·vor 3 Monaten·1 comments

Justice dept. requires RealPage end sharing competitively sensitive information

justice.gov
68 points·by phkahler·vor 8 Monaten·64 comments

comments

phkahler
·vorgestern·discuss
The US military knows full well the importance of logistics. TFA is somehow arguing for distributed distribution networks that are harder to track and attack. Why not advocate for improved defenses along the supply lines? Or is it down to percentages where just one good hit has large effect?
phkahler
·vor 4 Tagen·discuss
>> I do not give a shit if you want to use a 3 year old browser at this point. Go look at a blank screen.

And I don't give a shit about your site/content/whatever. If you don't work with Firefox or my old Mac browser, your whatever isn't worth my time. For "content" sites this is insanely true, even for "news".
phkahler
·vor 4 Tagen·discuss
>> Are there similar size, but less powered (and cheaper) workstations?

I designed this:

https://github.com/phkahler/mellori_ITX

It's 195 x 190 x 60mm and takes a standard ITX board. You'll need to relocate the hole for the fan depending on your motherboard, but CAD files are available and you only need to change 2 parameters (X,Y of the hole center).

BTW mine was upgraded to 64GB RAM and a 5700G (zen 3 APU) but it died and I'm still trying to bring up a newer board - still socket AM4.

BTW to get the center coordinates of the hole, measure from the edges of the board to the top and bottom of the metal plate under the CPU socket and take their average distance. That plate is symmetric and centered under the hole.
phkahler
·vor 5 Tagen·discuss
If the ink is refillable due to lack of DRM, why not just buy a commercial printer that supports those cartridges?
phkahler
·vor 9 Tagen·discuss
But orthogonal matrices are square.
phkahler
·vor 10 Tagen·discuss
If it can be made orthogonal, can you go a step further and diagonalize it? The storage and performance improvement from that would be huge.
phkahler
·vor 16 Tagen·discuss
>> This doesn't appear to be AI posturing, did you read the tweet? It is about one product blatantly, directly ripping off another.

Then it shouldn't reference AI or Vibe coding.
phkahler
·vor 16 Tagen·discuss
I think they're out of training data though...
phkahler
·vor 16 Tagen·discuss
>> I wanna see an inference chip where the weights are part of the rom of the chip.

I've been wondering about that for a while now. For a lot of tasks putting weights in ROM is probably OK. OTOH:

>> There would be 1 multiplier per weight...

I'm not sure that is a good idea. Maybe if its quantized down to 2 bits... Otherwise maybe a small ROM near each multiplier (or row of them or whatever) so the multipliers could handle N distinct matrix operations without having to move the data from far away.

Another fun thought is to have a row of MAC units on DRAM so a DRAM row would be a vector. Row size might be 64Kbit or 8K weights if they're 8bit. This also keeps the weights and calcs on the same chip. I'm not sure this would put enough multipliers on one chip though. Systolic arrays can have tens or hundreds of thousands each doing one op per clock cycle.
phkahler
·vor 18 Tagen·discuss
I was drooling over the MC68000. I had a pre-release reference manual from 1979 and it was the most awesome chip around. Atari and Commodore and Apple used it after their 6502 systems. Arcade games used it after their 6502 and 6809 days. The only reason x86 became popular was because IBM put it in the PC - not for any technical reasons.
phkahler
·vor 18 Tagen·discuss
>> Scroll wheel mice are slightly better because the middle button is physically different (and often slightly raised). I do have one stored away in case I need it.

Solvespace does great with a scroll-wheel mouse. Scroll = zoom.
phkahler
·vor 20 Tagen·discuss
"Gave away for free" does not mean they did so under a Free Software license. One could just put a copyright notice with NO license and they'd be in violation of the copyright.
phkahler
·vor 21 Tagen·discuss
>> kind of obtuse on a trackpad too

Oh, I actually hate trying to use solvespace with anything other than a 3-button mouse. Unfortunate because the web version can actually run on my phone but is unusable in practice.
phkahler
·vor 21 Tagen·discuss
>> The Solvespace UI is a long, long way from being the sort of UI a contemporary kid has any kind of comfort with...

Respectfully, I disagree. Even adults have used the word "fun" to describe using solvespace. But I don't actually have feedback from kids, hence the question to OP.
phkahler
·vor 22 Tagen·discuss
I haven't heard of any UBI experiments, only giving BI to some people, which would not have much impact on things like average rents over an entire region.
phkahler
·vor 22 Tagen·discuss
I have similar hopes for Solvespace - that every middle school student can pick it up and design things. We have a couple issues that keep me from recommending it too strongly though - bugs in the boolean code are IMHO the biggest blocker for kids.

Any chance you could have the kids make comparisons between the two? Solvespace is completely constraint-based, so it may be a bit harder to learn but also more flexible.

It's a single exe, but there is also an experimental web version: https://solvespace.com/webver.pl
phkahler
·vor 22 Tagen·discuss
>> A basic floor of income that everyone gets,

Surely the author has to know that providing UBI is just going to lead to inflation of rent, food, and transportation.
phkahler
·vor 24 Tagen·discuss
I find Lehto's Law on Youtube to be quite entertaining while also informative:

https://www.youtube.com/@stevelehto
phkahler
·vor 24 Tagen·discuss
You are probably right most of the time, but that also depends where you are.
phkahler
·vor 25 Tagen·discuss
I think John Carmack is confusing the usefulness of ones contribution to what went in to making it. Both of these men have done amazing things technically and deciding which one is "better" is a fools errand.