Forgot your password?
typodupeerror

Comment Re:What about tile roofs? (Score 1) 54

In what country is it legal to sell such balcony solar systems?

It is popular throughout the world with many millions of installs. Half the country (USA) has legislation allowing balcony either already on the books or in process.

And what country has such odd meters that flow into the wrong direction makes it count the same as the right direction?

With a unidirectional meter you can have counting of reverse flow be blocked or count as an absolute value of flow against you. I don't know the details about models and reasons for it yet I know people with these meters have been charged for unintentional export because they for example had the CT installed backwards.

Comment Re:What did he expect? (Score 1) 122

> No it's not. Multifunction devices existed long before enshitification. The two concepts are not remotely related.

Enshitification predates the internet. It is a concept as old as human invention itself. We just don't see it int he historical record, for the most part, because shitty devices generally don't become popular enough for examples to survive the scrap heap. However, if you dig into some antique catalogs (catalogs that are antiques, not modern catalogs listing antique items...) you'll see lots of dubious devices being advertised.

  > Your phone's main purpose is to make phone calls.

A phone's main purpose is to make phone calls. This is a categorical error on your part; a modern smartphone is, despite the unfortunate etymology, not a phone. It is a portable internet terminal more than anything that just happens, perhaps merely by virtue of its history and nothing more, to be able to make live voice chats.

> given this is an optional extra that costs money it is clear that someone deemed it a benefit

Yes. that someone being the manufacturer, who can add $20 worth of parts and sell it to dipshits like you for an extra $500 because apparently you're a toddler easily distracted by bright colors and movements. You're like the living embodiment of that Simpsons gag Nuts and Gum. And of course, apropos to this story, the manufacturers see extra benefit in that they get another way to harvest your behavioral data and shove advertisements in your face. You're being sold a solution to a problem you don't have in exchange for your privacy and attention. You are paying extra to become the product. You are both a figurative and literal tool.

> Man if only there was an internet connected screen in the kitchen from which to pull up my recipe...

It's amazing to me that you can have the solution literally in your hand and still sarcastically complain that there is no solution to the non-problem you have already solved. Just... fucking amazing. Is carrying a tablet from one room to another such a heavy burden that it justifies building another, shittier tablet into a random appliance? Even if you absolutely needed a tablet in every room of the house, could you entertain the idea of just.. buying them separately?

A true luddite would argue if you even need an internet connected device when printed books dedicated to recipes are a thing, and they'd at least have a solid point to make in that at books don't need batteries and continue to work even when the internet doesn't... and they don't actively spy on you either.

> False equivalence. A leatherman directly trades off primary function against additional functionality.

And a tablet built into a fridge door trades primary function (portability) for... actually not even additional functionality because a tablet in a fridge door does literally nothing to make the fridge better at its job, and attaching a fridge to a tablet does not make the tablet better at its job either.
=Smidge=

Comment Re:Source term for Einstein's field equation (Score 1) 47

There is no mass term in the stress-energy tensor

There most certainly is. Density-- mass per unit volume-- is the (0,0) term of the stress-energy tensor.

Energy density, yes.

Which is also mass density. Multiply by c to keep the units straight. (If you're a physicist, you just set c=1, and the units don't matter.)

I guarantee, if you have a mass density of M kg/m3 and you put it in Einstein's field equations, you get gravitation.

Comment Re:What about tile roofs? (Score 1) 54

The solar compatible meter does a couple of things. First, it allows solar generated power to go back to the grid if on-site usage is below generated power levels. Second, it communicates with the utility company so they can manage the entire grid. Third, I *think* it both prevents consumer-generated power from leaking onto the grid during outages, and notifies the utility that there is on-site power generation. The last point is critical for safety - If your house is "hot" during an outage, that power can't be permitted to leak onto the grid otherwise it would be extremely hazardous to workers that are restoring service.

The balcony solar kits are supposed to monitor grid power and they're supposed to shut off the power if grid power goes out. That's a lot of *should*. A certified solar compatible meter and panel solves that part of the problem, but it's stupidly expensive due to the regulatory requirements for permits and electricians to do the work. A homeowner can't simply ask the utility company to put in a solar meter. There's more to it and it makes the costs skyrocket.

The issue with the meters is some don't have the ability to measure direction of flow. If you install a balcony solar system and it produces more energy than you are using at the time the energy you are putting back into the grid is counted as energy consumed and you end up being billed for it.

A workaround is some balcony kits have CTs you place around the main conductors feeding your panel. The solar inverter will use the CT to ensure no excess energy is exported.

All micro inverter kits have working anti-islanding as a standard feature. Normal PV systems work the same way. This isn't a function of the meter and isn't optional. The grid communicates with grid tied inverters directly by monitoring AC frequency. In certain areas like CA and HI there are specific frequency thresholds used to kick the grid tied inverters offline.

Comment Re:We're not getting paid for this (Score 0) 88

That was always one of the suspension of disbelief breaking aspects of Star Trek, too. As if anyone would deal with all the responsibilities and risks involved in being a starship crew member when you could just fake the entire experience in a holosuite instead.

Which is more believable? Simulating real life in a holodeck or the Goddess of Empathy?

Comment Re: Looks like a robotic arm on a rail (Score 3, Interesting) 54

Solar panels on deserts are regreening them so they are cooling not heating.

Sand reflects about 70% of solar energy, solar panels reflect about 10% plus another 20% in harvested energy which still leaves you with twice the amount of absorbed energy vs sand.

Greening occurs due to reduced surface temperatures / evaporation due to panel shading.

Comment Re:Will, not could, come to the USA (Score 2) 107

Texas's age check law for porn sites was upheld by the SCOTUS, though. I was following it closely because I'm in Florida and we have a similar law.

On one hand the court argued obscenity for minors is a valid basis for denying 1st amendment protections. On the other hand it struct down the same restrictions decades ago in the CDA due to..drumroll... 1st amendment protections. The court just does whatever the hell it wants no different than the recent pulling of absolute presidential immunity out of thin air.

Comment Not actually hard science fiction (Score 2) 65

A fun movie, but the movie wasn't in any way hard science fiction. I don't think there was any real science in it, other than the distances to various stars. It was hand-wavium from beginning to end.

But, heck, that's par for the course for film science fiction. If you try to find the science in "Dune" or "The Last Jedi", good luck.

Slashdot Top Deals

"Though a program be but three lines long, someday it will have to be maintained." -- The Tao of Programming

Working...