I doubt it will last that long -- periods of expansion never last over 10 years, and we're already in year 8.5. The good thing is that if the crash is just before the 2018 midterms, Trump, GOP & Co will be squeezed out of power.
Low = around 150 degrees C, not room temperature. Still needs a heating system to keep the reactor from "freezing up."
There are metals that are liquid at room temperature. Mercury is heavy and nasty to work with -- dissolves metal piping as well as being toxic. So is gallium.
There are sodium potassium alloys that are also liquid at room temperature, but they react explosively with water, making them amusing to work with.
Actually, some water-cooled reactors operate at about 600 degrees C -- the coolant is highly pressurized, so doesn't flash to steam at 600 C.
Converting to Kelvin, that's 873K vs 1073K for the molten-salt reactor. More like 125% the temperature. Not sure about heat, but water probably has a higher heat capacity than most molten salts.
The advantage isn't temperature/heat in itself -- it's not needing a pressurizer and pressure vessel to keep the coolant from suddenly flashing to steam. However, the reactor will still need shielding to protect ground personnel, and a heating loop to keep the coolant molten while the reactor is "off." This will likely erase any weight saving.
Engine failure isn't the only cause of a crash. What about loss of lift due to wing icing, a stuck aileron causing a spin, or structural failure due to a microburst?
Yet the Soviets operated molten lead/bismuth cooled reactors in their Alfa subs for a few decades -- it's apparently possible to keep the reactors running or heated so the coolant never freezes.
Storage might be viable in future -- look up pumped-storage hydro, or even flywheel batteries. Ideally, we'd also have a high-voltage superconductive DC link from Asia to the US via the Bering Strait and one from Africa to the Americas via Recife, Brazil. If the world's grids are turned into a "supergrid", one could move renewable power from where it's being produced at a given time to where it's needed.
We need a happy medium -- putting people in a labor camp for opposing flying nuclear reactors (a bad idea!) is evil. But allowing scientifically ignorant activists unlimited reign to hold back safe infrastructure improvements is also a terrible idea.
France is a good model. Educated populace, they build cool infrastructure like nuclear power, high-speed rail, etc, and the public generally isn't able to obstruct it. Yet there's a well-recognized right to protest about legitimate things like labor law -- if the government tries to take away workers' rights, cities get shut down. Justifiably.
Also, nuclear-powered (radiothermal generator) pacemakers were installed in the 1970s - some are still in use today. It might seem like a joke, but that was extremely reliable tech and saved the patient more surgeries to replace batteries or the pacemaker in the future...
If you want to get all fancy-pants, just go FOBS -- fractional-orbit bombardment system. A missile designed to launch a nuke or ten into orbit and attack from any direction -- evading most ground-based missile-defense systems.
(i.e. the US worries about an attack over the Pole, not one coming by way of the Baja peninsula. Immigration jokes aside...)
Project Pluto, a nuclear-powered cruise missile popping out H-bombs like Pez. One of the "advantages" of the thing was the radioactive exhaust from its air-cooled reactor, also known as "halitosis" -- it was a weapon in itself.
Molten salt is probably better than direct-cycle air-cooled, but it will still be an ecological disaster if it crashes into the sea. Also, why bother vs satellites and solar or fuel-powered drones (for surveillance) and conventional missiles (for attacking things).
Conventional hardware (ex solar) might not be able to stay in flight for as long, but a country can make more of them for a fraction of the cost of nuclear-powered drones.
I echo the sentiments of other posters on here -- they were railroaded because of their legit muckraking, not because of a tape of a has-been wrestler.
Sometimes the best thing to do is to quietly ignore it, not be a do-gooder and out people who are offering a good service that helps people. There are bigger fish to fry -- look at US politics right now for a start.
"Law's the law" is an ignorant sheep's argument. There's no inherent moral good in following the law just to follow it, especially since the people making the laws tend to be the biggest criminals and best con artists.
A lot of laws are either useless, protectionist, or evil.
Here's my problem. If Apple or Google know it, the courts and government know it by extension. Either by pressure or subpoena. Plus what people talk about in private, being caught in a lie about being home when they were having sex with a married man's wife, etc is future material for blackmail. Best not to create the data.
Let people have their petty vices. A roll in the hay with someone else's spouse without divorce lawyers ever being the wiser. "Pass the joint." (puff, puff) High school drinking parties. Etc.
A surveiled society is a boring, controlled one with unhappy people. I love that in some parts of the US and other countries, you can go cash only and totally disappear.
Optometrists are trained to spot eye diseases as well, and it's not just "waving a chart" -- they use a machine that basically test-fits lenses and tests for glaucoma.
Funny. My audio activity page is blank, because I disabled "OK, Google" and other such things on my phone when I used a smartphone. Also, phone mics aren't very good as picking up sounds not immediately near them (by design).
I'm not worried about hackers? I'm worried about the big-pig firms themselves (Apple, Google, Amazon, Samsung, they're all terrible). They don't need access to a voice feed inside my home. They don't need to know when I'm home, when others are home, etc, etc, via lighting and temperature settings.
I'm not so disabled as not to be able to flip a switch, thanks.
Google Voice, problem solved.:) Anyway, this is a stupid article. Why ruin a contact lens company that's allowing people to get lenses without being nannied?
No one has the time to verify all prescriptions unless they're for scheduled substances (stuff that can get you high), or if they're unclear. If someone wants to circumvent laws designed to protect them (and only them), why bother stopping them?
The prescription is there for the buyer's protection. If someone actively tries to circumvent the system, they lose that protection, that's all. You can't get high on contacts, use them to poison someone, etc.
Slashdot Mirror
I doubt it will last that long -- periods of expansion never last over 10 years, and we're already in year 8.5. The good thing is that if the crash is just before the 2018 midterms, Trump, GOP & Co will be squeezed out of power.
They also wanted to hire pilots "past childbearing age", meaning men in their 40s/50s who already had kids.
Low = around 150 degrees C, not room temperature. Still needs a heating system to keep the reactor from "freezing up."
There are metals that are liquid at room temperature. Mercury is heavy and nasty to work with -- dissolves metal piping as well as being toxic. So is gallium.
There are sodium potassium alloys that are also liquid at room temperature, but they react explosively with water, making them amusing to work with.
https://en.wikipedia.org/wiki/...
Actually, some water-cooled reactors operate at about 600 degrees C -- the coolant is highly pressurized, so doesn't flash to steam at 600 C.
Converting to Kelvin, that's 873K vs 1073K for the molten-salt reactor. More like 125% the temperature. Not sure about heat, but water probably has a higher heat capacity than most molten salts.
The advantage isn't temperature/heat in itself -- it's not needing a pressurizer and pressure vessel to keep the coolant from suddenly flashing to steam. However, the reactor will still need shielding to protect ground personnel, and a heating loop to keep the coolant molten while the reactor is "off." This will likely erase any weight saving.
Engine failure isn't the only cause of a crash. What about loss of lift due to wing icing, a stuck aileron causing a spin, or structural failure due to a microburst?
Yet the Soviets operated molten lead/bismuth cooled reactors in their Alfa subs for a few decades -- it's apparently possible to keep the reactors running or heated so the coolant never freezes.
Storage might be viable in future -- look up pumped-storage hydro, or even flywheel batteries. Ideally, we'd also have a high-voltage superconductive DC link from Asia to the US via the Bering Strait and one from Africa to the Americas via Recife, Brazil. If the world's grids are turned into a "supergrid", one could move renewable power from where it's being produced at a given time to where it's needed.
We need a happy medium -- putting people in a labor camp for opposing flying nuclear reactors (a bad idea!) is evil. But allowing scientifically ignorant activists unlimited reign to hold back safe infrastructure improvements is also a terrible idea.
France is a good model. Educated populace, they build cool infrastructure like nuclear power, high-speed rail, etc, and the public generally isn't able to obstruct it. Yet there's a well-recognized right to protest about legitimate things like labor law -- if the government tries to take away workers' rights, cities get shut down. Justifiably.
The Ford Nucleon was a real concept car...
https://en.wikipedia.org/wiki/...
Also, nuclear-powered (radiothermal generator) pacemakers were installed in the 1970s - some are still in use today. It might seem like a joke, but that was extremely reliable tech and saved the patient more surgeries to replace batteries or the pacemaker in the future...
https://uk.reuters.com/article...
If you want to get all fancy-pants, just go FOBS -- fractional-orbit bombardment system. A missile designed to launch a nuke or ten into orbit and attack from any direction -- evading most ground-based missile-defense systems. (i.e. the US worries about an attack over the Pole, not one coming by way of the Baja peninsula. Immigration jokes aside...)
Project Pluto, a nuclear-powered cruise missile popping out H-bombs like Pez. One of the "advantages" of the thing was the radioactive exhaust from its air-cooled reactor, also known as "halitosis" -- it was a weapon in itself.
https://en.wikipedia.org/wiki/...
Molten salt is probably better than direct-cycle air-cooled, but it will still be an ecological disaster if it crashes into the sea. Also, why bother vs satellites and solar or fuel-powered drones (for surveillance) and conventional missiles (for attacking things).
Conventional hardware (ex solar) might not be able to stay in flight for as long, but a country can make more of them for a fraction of the cost of nuclear-powered drones.
PeterThielsMomma.com
I echo the sentiments of other posters on here -- they were railroaded because of their legit muckraking, not because of a tape of a has-been wrestler.
Sometimes the best thing to do is to quietly ignore it, not be a do-gooder and out people who are offering a good service that helps people. There are bigger fish to fry -- look at US politics right now for a start.
You can leave the phone at home.
As smart home tech becomes entrenched, you might not be able to turn it off/disconnect it from the cloud without freezing in the dark.
Flagship? what do you do that Moto G4 Play or G5 don't do?
you're assuming thar big corp HR departments follow the rules to the letter. the rules are meant for little people, not big corps.
"Law's the law" is an ignorant sheep's argument. There's no inherent moral good in following the law just to follow it, especially since the people making the laws tend to be the biggest criminals and best con artists.
A lot of laws are either useless, protectionist, or evil.
Here's my problem. If Apple or Google know it, the courts and government know it by extension. Either by pressure or subpoena. Plus what people talk about in private, being caught in a lie about being home when they were having sex with a married man's wife, etc is future material for blackmail. Best not to create the data. Let people have their petty vices. A roll in the hay with someone else's spouse without divorce lawyers ever being the wiser. "Pass the joint." (puff, puff) High school drinking parties. Etc. A surveiled society is a boring, controlled one with unhappy people. I love that in some parts of the US and other countries, you can go cash only and totally disappear.
Optometrists are trained to spot eye diseases as well, and it's not just "waving a chart" -- they use a machine that basically test-fits lenses and tests for glaucoma.
AT&T has had Huawei phones for years now.
Funny. My audio activity page is blank, because I disabled "OK, Google" and other such things on my phone when I used a smartphone. Also, phone mics aren't very good as picking up sounds not immediately near them (by design).
I'm not worried about hackers? I'm worried about the big-pig firms themselves (Apple, Google, Amazon, Samsung, they're all terrible). They don't need access to a voice feed inside my home. They don't need to know when I'm home, when others are home, etc, etc, via lighting and temperature settings.
I'm not so disabled as not to be able to flip a switch, thanks.
Google Voice, problem solved. :) Anyway, this is a stupid article. Why ruin a contact lens company that's allowing people to get lenses without being nannied?
That's incorrect. They're ALLOWED to verify a prescription. Apparently, if there's no return contact from the doctor within a day, they'll fill it.
Again, there's NO reason to do anything more than this. Contact lenses aren't addictive, toxic, or a public health issue like antibiotic resistance.
In short, who cares? I for one am glad that people can get corrective visual aids with minimum red tape.
No one has the time to verify all prescriptions unless they're for scheduled substances (stuff that can get you high), or if they're unclear. If someone wants to circumvent laws designed to protect them (and only them), why bother stopping them?
The prescription is there for the buyer's protection. If someone actively tries to circumvent the system, they lose that protection, that's all. You can't get high on contacts, use them to poison someone, etc.