phasetransition

What determines whether the merger is non-radiative in the EM? Why was the collision of two neutron stars radiative?

It seems like the universe would be immeasurably more dangerous than it already is, if all of these events were primarily EM radiative in nature.

As a non-physicist, I'm also curious how gravity is simultaneously so much weaker than the other forces, but yet spacetime seems to be able to stably survive these immense releases of energy.

So 1e6 light year radius to match the solar irradiance from purely inverse square losses? Wow.

FYI, primary source is Open Access: https://iopscience.iop.org/article/10.3847/2041-8213/ac082e

I'm curious to see where this goes. In my personal experience, it is standard practice to need/be requested to submit designs for review by a PE, if you aren't one.

I was originally trained as a materials engineer, and nearly 20 years ago there was no clear PE exam to take for that discipline, so I never considered getting one.

Today, I wouldn't want to be encumbered with the E&O insurance and other restrictions of a PE, and I would have to review extensively to pass the test.

In my professional experience, it has always been nice to have a 3rd party look over your design, and the expense is of no consequence if the customer/law require the review.

For a legal case, I'm not surprised that the barrier of entry for expert testimony might be a PE.

I'd be interested to understand from a lawyer here on HN what the extent of protected speech is in a courtroom situation.

(native speaker) I agree.

The original with "been being watched" feels like something the detective says when he first discovers the fact about watching. It has an exclamative aspect to it. There's a present sense of realization, mixed with the past sense of when the watching had taken place.

"She would have had to have been observed." is something like a lawyers distillation of what happened later for the court.

Thanks, it was not clear to me how e.g. (genuine) social proof is a dark pattern

Kind of the opposite of your suggestion, but I have a long time friend who owns an audio / video production company. He has been using his box trucks to drive routes for Amazon this year (not last mile), as his core business is quite light due to COVID.

Also true for terminating a panel, punchdown, keystone, lacing, etc.

There is a Mahindra dealership in Cumming, GA (exurb north of Atlanta). I noticed it over Thanksgiving on a drive up to the mountains. I've eyed their jeep in the past.

That said, lots of Kubota around these parts with KMA and KIE in the greater metro area.

Several practical steps:

1. Take a thinking styles test, like the HBDI (https://en.m.wikipedia.org/wiki/Herrmann_Brain_Dominance_Ins...)

People in executive roles frequently tend "Yellow / Blue" in their thinking HBDI thinking style.

HBDI certainly isn't gospel, but it can help frame the people around you and make sure your communication includes thinking style elements they connect with.

2. One time each week, make a short, bulleted summary of what is happening in words that can be understood by anyone. I first saw this technique in a lab mate. He made them in powerpoint, kept them in a binder, and was ALWAYS ready to make an account.

3. Make peace that detailed documentation should be for your benefit, and occasional CYA. Even most technical people you report to will want a summary.

4. Many decisions in business are made by people that are able to operate on gut feel. Sometimes this is works well, sometimes it doesn't. However, the outcome is largely immaterial. This is because people who only direct when information is complete don't end up leading, either formally or informally.

Appealing to the "gut" sensitivities of the de facto leaders of your organization will almost always increase your visibility.

Hopefully this helps!

Oh right, I forget that the people in finance day to day are accessing via the terminal.

I'm surprised that there's only around 150k people (other than me) who read the newsletter. I don't work in finance, always enjoy reading Matt, and often learn.

To that end, if you don't subscribe to him and want a sample to consider joining the free newsletter, let me suggest his column "Arbitrage Discovered" from 2015:

https://www.bloomberg.com/amp/opinion/articles/2015-02-27/ar...

Further up the thread here I mention a friend with a Hobart professional under sink dishwasher unit in his home

Follow the clearances, supply the 240V 50 amp power, install a catch pan under it, soften the water if needed, etc. None of it rocket science if you are mechanically-minded, but requires to educate yourself and pay attention.

My friend is from a large family, and they had a proper commercial kitchen in their house growing up, so no big deal for him.

I washed dishes, by hand and with the industrial machines, for a couple of different sorority houses in college long ago. The machines worked well, but required supervisory maintenance like would be expected for most industrial equipment. They also take a while to heat the water chamber to washing temperature.

A good friend of mine has an under counter version of the Hobart (https://www.hobartcorp.com/products/commercial-dishwashers/u...) machine in his kitchen, as well as a conventional consumer dishwasher. The commercial machines are electricity hogs, unless you use them constantly. He only uses the Hobart for dinner parties or entertaining. It is a nice setup.

Speed Queen will sell you a nice domestic version of their laundromat front-load washing machines for about a 20% premium over a high end unit at Home Depot or Lowe's. Our family is considering one. (https://speedqueen.com/products/home-products/front-load-was...)

Edited to provide product links for clarity

Kid me (or now my six year old) would love an intermodal full of Chuck E Cheese tickets!

Adult me wonders how long they've been sneaking the ground up tickets into the "pizza" dough...

I, too, am 95% better after switching away from first.last@gmail.com to something@firstlast.com and using g-suite on that domain for the last decade or so.

I gave up on Gmail for all the same reasons as the stories in this thread.

Interesting. Oliver Heaviside continues his posthumous exploits.

The photos of that enigma are amazing! It looks like it was taken straight off the factory floor.

"New Old Stock" indeed.

You can say thanks for the memories buy purchasing a copy of Reaper, and get a serviceable DAW in the process..

It is also the learning aspect for me. And doing projects for friends helps to force good design decisions, and to mind BOM cost.

I ended up with "cervicogenic dizziness." I was forced onto team standing desk a couple years back. And I'm only 40. SMH...

Anyways, I think my 6 year old would love to play with paper airplanes that also could be flown remotely.

FWIW,

I would say that knowing how to design boards makes me MORE willing to buy other people's boards. Coming from a more mechanical background, I don't look forward to the tedium of reviewing and modifying all the footprints of "standard" sized SMD parts.

I like making music effects for friends, and branching out to things related to motor control, LEDs, sensors, etc. I prefer to have them pick and placed for me. Since an injury a few years ago, I battle vertigo when doing extended fine detail work.

I would be interested in seeing some of the designs, you've always been an interesting person to read from here on HN. Tindie makes that easy.

Phoenix LiveView?

I originally learned electricity from Isaac Asimov's understanding physics, volume 2 when I was 13(?). I don't remember the details, but it clearly worked and helped me in all future education.

If you want to try and learn some basics, and then try apply them, both AoE (mentioned already by pjc50) and "Practical Electronics for Inventors" are good choices.

The latter is much more affordable than AoE.

Yes. Saturable core reactors have a long history of industrial regulation of heavy duty motors, furnaces, and the like. I first learned about them from old cranes in seaports.

For some applications size and weight aren't a big deal, but durability and overload tolerance are, so I can imagine they are still used out there somewhere.

Somewhat tongue in cheek, but you would do well to find a Maria Bartiromo for Cloudflare TV.

A decade + ago, one of my closest friends was a day trader, and while inherently skeptical of CNBC, he and his cohort routinely tuned in to watch her.

Not that it matters, given the clear demand for the product, but there's a typo in the "Performance" section of the link. The body copy "performance" is "performace"

Congrats on a product successful from the beginning!

I presume you have Weinberg's book?

Has someone with industrial strength hosting made sure this page is going to stay up, and/or created static mirrors?

FYI, Kevin Kelly's "Cool Tools" is a solid, and useful coffee table book. Some things from 2013 don't age well, but for it is useful for lots of items. A quick skim of my copy didn't find the bug salt shotgun, but there is a water-based bug sprayer for the garden on pp. 214.