Daily Shaarli
September 9, 2021
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Heat pump heating technology is starting to pop up more and more lately, as the technology becomes cheaper and public awareness and acceptance improves. Touted as a greener residential heating system, they are rapidly gaining popularity, at least in part due to various government green policies and tax breaks.
[Gonzho] has been busy the last few years working on his own Arduino Powered Open Source heat pump controller, and the project logs show some nice details of what it takes to start experimenting with heat pumps in general, if that’s your game. Or you could use this to give an old system a new lease of life with an Arduino brain transplant.
Clive Robinson • September 3, 2021 6:14 PM
@ ALL,
“In fact, it was arguably the most secure rotor machine ever built.”Probably not the most secure rotor machine ever built, but probably the most secure rotor machine ever put into production even if for a very very small number (The British / Canadian Rockex was after TEMPEST issues were sorted out more secure than any rotor cipher machine ever envisaged and would still be secure today).
Some have heard of the US SIGABA / ECM II Cipher Machine[1] it had some interesting features including the way stepping was done. Because of this it was considered unbreakable at the time (but is breakable today).
One feature that the US thought was unknown to others was the ability to make wheels step not just forwards but backwards as well as not rotate at all etc.
The British had a problem the stalwart Typex was long over due for a full replacment. Unfortunately the British did not have the mechanical manufacturing capability at the time[2]. It was hoped that under the BRUSA arangment, the British could use either the US SIGABA or get parts manufactured secretly in the US.
As normal the “Special Relationship” rapidly hit the rocks. The US did not want the secret of the rotor wheel steping to be known to the British so the use of SIGABA was vetoed. The resulting cludge to enable a Typex and SIGABA to inter opperate evolved and became the CCM.
So one of the greatest brains at Bletchly Gordon Welchman was called upon to design an unbreakable and future proof rotor system which he went ahead and did.
The US did not want it built, they would not be able to eves drop on it and much backwards and forwards happened. As part of it the Brirish revealed their secret of independent rotor steping that would not just do all the US had tried to keep hidden but a few tricks more (lets be honest folks such rotor behaviour is kind of obvious and it turned up in other places).
What killed Welchman’s machine in the end was the US Navy that adamantly refused under any circumstances to have it aboard their ships… Thus as a more secure replacment for the CCM it was not to be, thus it was as far as British Civil Servants were concerned pointless continuing with it’s development.
It was without doubt a beast and yes it is doubtful that it’s reliability would have been good enough.
[2] Lack of mechanical manufacturing was one of the reasons the British designed the Rockex system that used Post Office relays valve/tube electronics using standard parts and standard teleprinter readers and punches. Another issue was that the US were pushing a voice scrambler X-Ray at the British on the notion it was easy to use. However those “in the know” were not just deeply suspicious they were fairly certain that the US would be able to evesdrop on the system. So bad was the situation that Churchill who was Prime Minister had to personally authorise which system should be used abd Rockex got the nod of approval because Churchill did not trust the US in the slightest at that time.
Yesterday, independent newsroom ProPublica published a detailed piece examining the popular WhatsApp messaging platform's privacy claims. The service famously offers "end-to-end encryption," which most users interpret as meaning that Facebook, WhatsApp's owner since 2014, can neither read messages itself nor forward them to law enforcement.
This claim is contradicted by the simple fact that Facebook employs about 1,000 WhatsApp moderators whose entire job is—you guessed it—reviewing WhatsApp messages that have been flagged as "improper." //
The loophole in WhatsApp's end-to-end encryption is simple: The recipient of any WhatsApp message can flag it. Once flagged, the message is copied on the recipient's device and sent as a separate message to Facebook for review.
Messages are typically flagged—and reviewed—for the same reasons they would be on Facebook itself, including claims of fraud, spam, child porn, and other illegal activities. When a message recipient flags a WhatsApp message for review, that message is batched with the four most recent prior messages in that thread and then sent on to WhatsApp's review system as attachments to a ticket. //
Although nothing indicates that Facebook currently collects user messages without manual intervention by the recipient, it's worth pointing out that there is no technical reason it could not do so. The security of "end-to-end" encryption depends on the endpoints themselves—and in the case of a mobile messaging application, that includes the application and its users.
An "end-to-end" encrypted messaging platform could choose to, for example, perform automated AI-based content scanning of all messages on a device, then forward automatically flagged messages to the platform's cloud for further action. Ultimately, privacy-focused users must rely on policies and platform trust as heavily as they do on technological bullet points. //
Although WhatsApp's "end-to-end" encryption of message contents can only be subverted by the sender or recipient devices themselves, a wealth of metadata associated with those messages is visible to Facebook—and to law enforcement authorities or others that Facebook decides to share it with—with no such caveat.
ProPublica found more than a dozen instances of the Department of Justice seeking WhatsApp metadata since 2017. These requests are known as "pen register orders," terminology dating from requests for connection metadata on landline telephone accounts. ProPublica correctly points out that this is an unknown fraction of the total requests in that time period, as many such orders, and their results, are sealed by the courts.
Was Pope Pius XII a Nazi Sympathizer?
For almost fifty years, a controversy has raged about Pope Pius XII. Was the Pope who had shepherded the Church through World War II a Nazi sympathizer? Was he, as some have dared call him, Hitler's pope? Did he do nothing to help the Jewish people in the grips of the Holocaust?
In a thoroughly researched and meticulously documented analysis of the historical record, Ronald Rychlak has gotten past the anger and emotion and uncovered the truth about Pius XII. Not only does he refute the accusations against the Pope, but for the first time documents how the slanders against him had their roots in a Soviet Communist campaign to discredit him and, by extension, the Church.
Why?
What does the Biden administration gain from preventing American civilians and Afghan allies from being rescued by people like Montalvo and Mills? The answer lies in the nature of the entities responsible for extricating these individuals.
The fact of the matter is that these private individuals and organizations working to remove American civilians from danger are only doing so because Biden failed to evacuate them. If the president had done his job properly, there would be no need for private rescue efforts. It is yet another indicator that President Joe Biden has failed to handle this situation effectively.
Moreover, it is important to point out that if and when these private entities can finally get these individuals out of Afghanistan, it will represent quite an embarrassment for the White House. It is a humiliation that Biden’s team would rather avoid if possible.
However, the State Department’s stall tactics cannot work forever. The longer these people remain trapped in Kabul, the more danger they could face.
- Fourteen uranium cubes are what remain of Nazi Germany's nuclear arms effort.
- The Nazis had more than 1,000 of these cubes to start, but what happened to most of them remains a mystery.
- Researchers Tim Koeth and Miriam Hiebert have been tracking the history of these cubes. //
On someone's desk, one of the little gray cubes wouldn't raise an eyebrow. To the untrained eye, they look like paperweights.
"Marie Curie's granddaughter has one. She uses it as a doorstop," Miriam Hiebert, a historian and materials scientist, told Insider.
The weight of the 2-inch objects might be surprising, though — each is about 5 pounds. That's because they're made of the heaviest element on Earth: uranium.
The cubes were once part of experimental nuclear reactors the Nazis designed during World War II. As far as researchers know, only 14 cubes remain in the world, out of more than 1,000 used in Nazi Germany's experiments with nuclear weapons. Over 600 were captured and brought back to the US in the 40s. But even after that, what happened to most of the cubes is still unclear. //
Hiebert and Timothy Koeth, a professor of material science and engineering at the University of Maryland, are writing a book about the cubes. After years of research, they told Insider they think they know what happened.
Koeth describes the cubes as "the only living relic" of Nazi Germany's nuclear effort.
"They are the motivation for the entire Manhattan project," he said.
Taliban executions remind Americans to never give up arms they need for the primary reason the Constitution guarantees their right to have them.
In Afghanistan the world is again seeing that radical Islam is an ideology premised on murdering non-believers and using that example to intimidate everyone else. Historically, the same has been true of leftism, when its adherents have achieved totalitarian control in a country.
Leftists don’t have totalitarian control in America yet, so over the last few years they have mostly given us a heads-up about their desires by rolling out mock guillotines during their protests and riots, posing for photographs with mock-ups of President Trump’s guillotined head, talking about burning down the White House, and on social media wishing death upon Trump, his supporters, and Americans who express skepticism about the 2020 presidential election, masks, or vaccines.
However, they are working toward totalitarian control, by opening the border to people they think are future Democrat voters; proposing that felons, illegal aliens, and minors be allowed to vote; threatening to pack the Supreme Court; pushing federal legislation to take over election rules to benefit the Democrat Party; and, as Democrats have done for decades, stealing elections.
Even if they had totalitarian control, they would still need a willing army to do in America what they have done in every other country in which they have achieved it—disarm, then round up and kill or imprison their opponents. Under the noses of naïve, uniform-worshipping Americans who have assumed everyone in the military has the same values they do, the transformation of the military has been underway for a long time. It is being continued by the Biden administration and its Marxism-enabling sycophants among the military’s senior commissioned and non-commissioned officer ranks, but it is not complete, particularly in the military’s all-important combat arms elements.
However, even if the left had a willing army, it still would not be able to impose the tyranny for which it lusts because, unlike its victims in other countries, the American people are armed. Contrary to Biden’s claim that Americans would not be able to protect their liberty without F-15s and nuclear weapons, it is still true today, as Alexander Hamilton wrote in “The Federalist Papers,” No. 29, that the Army “can never be formidable to the liberties of the people, while there is a large body of citizens little if at all inferior to them in discipline and the use of arms, who stand ready to defend their own rights and those of their fellow citizens.” //
Coincidentally, on the heels of the Biden administration getting American troops killed in Kabul and handing over Afghanistan’s lithium deposits to China, and millions of dollars worth of military aircraft and other equipment to the Taliban (thus China, for its inspection), the upcoming anniversary of the radical Islamic terrorist attack in New York City in 2001 precedes by two days the anniversary of the Sept. 13, 2004, expiration of Democrats’ attempt to ban the manufacture of some of the best terrorism- and tyranny-fighting rifles on the planet. //
A criminal’s use of a gun doesn’t cancel everyone else’s constitutionally guaranteed right to keep and bear arms, and activists and politicians who support that right should not pretend they can protect it by parroting crime statistics. Nevertheless, since the ban expired, Americans have acquired another 15 million or so of the previously banned guns and hundreds of millions of the previously banned magazines, and the nation’s annual murder rate has averaged 22 percent lower than during the 10 years the ban was in effect.
The AR-15 has, for the better part of the last two decades, been the most commonly acquired rifle in America.
LTO-9 tapes hit the shelves with a supposed 45TB compressed capacity //
LTO-9 cartridges offer 50% more capacity than LTO-8 tapes, with 18TB native capacity per cartridge, supposedly rising to a whopping 45TB compressed (at a 2.5:1 ratio). Fujifilm says these gains were achieved using barium ferrite (BaFe) particles, which are carefully distributed across the surface of the tape, creating a smooth magnetic layer. //
The next generation tape is also faster than its predecessor, reaching transfer rates of up to 1,000MB/sec compressed (and 440MB/sec native), as compared with 750MB/sec (360MB/sec native) on offer with LTO-8.
New LTO-9 drives are fully backward compatible with LTO-8 cartridges, which should make data migration relatively simple for storage administrators. //
With LTO-9 tapes finally hitting the shelves, questions will also be asked about the long-term future of the hard disk drive, the largest of which have a capacity of 18TB. The archival market is dominated by high-capacity tape and the falling price of SSDs has applied pressure from the opposite direction, squeezing hard drives further into niche markets.
The constraints of physics suggests hard drive capacity cannot keep up with the evolution of tape. According to the LTO Program roadmap, LTO-10 tapes are set to offer an incredible 90TB capacity per cartridge, and tapes as large as 580TB have even been created in lab settings.
LTO-9 cartridges offer 50% more capacity than LTO-8 tapes, with 18TB native capacity per cartridge, supposedly rising to a whopping 45TB compressed (at a 2.5:1 ratio). Fujifilm says these gains were achieved using barium ferrite (BaFe) particles, which are carefully distributed across the surface of the tape, creating a smooth magnetic layer. //
Righteous Gentiles: How Pius XII and the Catholic Church Saved Half a Million Jews from the Nazis
A relentless band of propagandists has convinced much of the world that Pope Pius XII and the Catholic Church, in the face of the great moral crisis of the twentieth century, were little more than Nazi lapdogs. The myth of ?Hitler's pope, ? however, is grounded not in the facts of history but in the ideological agenda of Pius's detractors. Given unprecedented access to Church archives?including a confidential Vatican report on Pius XII?Ronald J. Rychlak documents the heroic response of the Holy Father and countless other Catholics to the plight of Jews under Nazi rule. From the end of World War II until well after his death, Pius XII was universally respected for his leadership in t
noainc
2 hours ago
"The situation might have already sunk Democrats’ chances for victory in 2022 and 2024."
In the pre 2020 elections, competency of administrations and public opinion had direct effects on election outcomes to varying degrees, depending on the level and sophistication of the fraud in each jurisdiction.
The sheer scale and brazen openess of the fraud in 2020 along with both political parties certifying and supporting the outcome has created a new dynamic. Both political parties, the DOJ, DOD and the public passively accept the manipulation of election outcomes on a national scale.
By the fall of 2022 there will undoubtedly be a new Covid strain, terrorist attack or combination of serious events to justify declaring an emergency and shifting the majority of voting to mail in.
The GOP will weed out outlier candidates that oppose Rino leadership in primaries or undermine conservative candidates in purple districts, and the overall control of the House of Representatives will be determined by those who count votes and certify elections, not the majority of voters themselves.
2020 was a watershed event, the ruling class can perpetuate uniparty rule going forward without the need to account for their incompetence, corruption and looting of our nations' industrial, technological and defense wealth.
The continuous outrage voiced by the GOP instead of meaningful action is just their drama queen act, they are impotent like eunuchs when it comes to using their power for rule of law and restoring the Republic.
Scientists are excited about an experimental nuclear reactor using thorium as fuel, which is about to begin tests in China. Although this radioactive element has been trialled in reactors before, experts say that China is the first to have a shot at commercializing the technology.
The reactor is unusual in that it has molten salts circulating inside it instead of water. It has the potential to produce nuclear energy that is relatively safe and cheap, while also generating a much smaller amount of very long-lived radioactive waste than conventional reactors.
Construction of the experimental thorium reactor in Wuwei, on the outskirts of the Gobi Desert, was due to be completed by the end of August — with trial runs scheduled for this month, according to the government of Gansu province. //
When China switches on its experimental reactor, it will be the first molten-salt reactor operating since 1969, when US researchers at the Oak Ridge National Laboratory in Tennessee shut theirs down. And it will be the first molten-salt reactor to be fuelled by thorium. Researchers who have collaborated with SINAP say the Chinese design copies that of Oak Ridge, but improves on it by calling on decades of innovation in manufacturing, materials and instrumentation.
You can build your own "tube-in-tube" heat exchangers. It's not hard. Cheaper. The heat exchange efficiency is worse. No oil return problems. Very easy soldering. Heat exchanger math: 0.7..1.5 m2 of a copper tube per every 3kW of heat transfer.
Nuclear energy has been quietly powering America with clean, carbon-free electricity for the last 60 years.
It may not be the first thing you think of when you heat or cool your home, but maybe that’s the point.
It’s been so reliable that we sometimes take it for granted.
Did you know about a fifth of the country’s electricity comes from nuclear power each year? //
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Nuclear power plants produced 790 billion kilowatt hours of electricity in 2019
The United States is the world’s largest producer of nuclear power. It generated 790 billion kilowatt hours of electricity in 2020, surpassing coal in annual electricity generation for the first time ever. Commercial nuclear power plants have supplied around 20% of the nation’s electricity each year since 1990. -
Nuclear power provides 52% of America's clean energy
Nuclear energy provided 52% of America’s carbon-free electricity in 2020, making it the largest domestic source of clean energy.
Nuclear power plants do not emit greenhouse gases while generating electricity.
They produce power by boiling water to create steam that spins a turbine. The water is heated by a process called fission, which makes heat by splitting apart uranium atoms inside a nuclear reactor core.
- Nuclear energy is the most reliable energy source in America
Nuclear power plants operated at full capacity more than 92% of the time in 2020—making it the most reliable energy source in America. That’s about 1.5 to 2 times more reliable as natural gas (57%) and coal (40%) plants, and roughly 2.5 to 3.5 times more reliable than wind (35%) and solar (25%) plants.
Nuclear power plants are designed to run 24 hours a day, 7 days a week because they require less maintenance and can operate for longer stretches before refueling (typically every 1.5 or 2 years).
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Nuclear helps power 28 U.S. states
There are currently 94 commercial reactors helping to power homes and businesses in 28 U.S. states. Illinois has 11 reactors—the most of any state—and joins South Carolina and New Hampshire in receiving more than 50% of its power from nuclear. -
Nuclear fuel is extremely dense
Because of this, the amount of used nuclear fuel is not as big as you think.
All of the used nuclear fuel produced by the U.S. nuclear energy industry over the last 60 years could fit on a football field at a depth of less than 10 yards.
In July, House and Senate appropriators zeroed out funding requested by the Biden administration for the Versatile Test Reactor at Idaho National Laboratories, a decision that could have disastrous impacts on America's role as a leader in the next generation of advanced nuclear technologies. The VTR would allow advanced nuclear reactor developers here in the U.S. to test fuels, materials and components for fast neutron reactors for the next 60 years or more.
These new reactor technologies offer a range of important safety, efficiency and economic advantages over large conventional nuclear reactors. They represent a critical pathway to cutting emissions to address climate change, especially in hard to decarbonize sectors of the economy such as steel production and refining. They are critical to assuring that the United States remains a global leader in advanced nuclear technology and nuclear security.
Predictably, opposition to the VTR has been led by entrenched opponents of nuclear energy, who have long attempted to regulate conventional nuclear power into obsolescence and fear that innovation of the sort that many U.S. nuclear startups are presently betting on might give the technology a second life. //
In service of that effort, the author makes all manner of easily falsifiable claims. No, the Natrium Reactor is not capable of having a runaway chain reaction like the one that caused the Chernobyl accident. The basic physics of the reactor core would shut down the fission reaction long before such a chain of events could occur. No, the Natrium Reactor does not require more uranium than a conventional reactor per unit of energy it produces. It uses its fuel much more efficiently.
These and other claims are drawn entirely upon a self-published report based, by the author's own acknowledgment, on his own "qualitative judgments," reviewed only by his employer, and contradicted by an enormous peer-reviewed and refereed literature, much of it based on technical evidence from decades of full-scale tests.
The author's position reflects not a considered position informed by the latest scientific and technological progress but rather a posture toward both environmental challenges and nuclear energy that has hardly evolved since the 1970s, before most people had ever heard of climate change, much less come to terms with the scale of technological change that would be necessary to address it.
https://www.ucsusa.org/resources/advanced-isnt-always-better
Northeastern Health System
NE Oklahoma Heart Center
Cherokee Health Partners
Pafford EMS
CONTACT
213 East Redwood Ave.
Sallisaw, OK 74955
Message from the administration of Northeastern Health System - Sequoyah:
Although Dr. Jason McElyea is not an employee of NHS Sequoyah, he is affiliated with a medical staffing group that provides coverage for our emergency room.
With that said, Dr. McElyea has not worked at our Sallisaw location in over 2 months.
NHS Sequoyah has not treated any patients due to complications related to taking ivermectin. This includes not treating any patients for ivermectin overdose.
All patients who have visited our emergency room have received medical attention as appropriate. Our hospital has not had to turn away any patients seeking emergency care.
We want to reassure our community that our staff is working hard to provide quality healthcare to all patients. We appreciate the opportunity to clarify this issue and as always, we value our community’s support.
"This remarkable book will change the way you look at intelligence, foreign affairs, the press, and much else besides." -- R. James Woolsey, former director of U.S. Central Intelligence Agency
The highest-ranking Soviet bloc intelligence official ever to defect to the West, Lt. Gen. Ion Mihai Pacepa is at it again. A quarter century ago, in his international bestseller "Red Horizons," Pacepa exposed the massive crimes and corruption of his former boss, Romanian President Nicolae Ceausescu, giving the dictator a nervous breakdown and inspiring him to send assassination squads to the U.S. to find his former spy chief and kill him. They failed. On Christmas Day 1989, Ceausescu was executed by his own people at the end of a trial wherein accusations came almost word for word out of "Red Horizons."
Today, still living undercover in the United States, the man credited by the CIA as the only person in the Western world who single-handedly demolished an entire enemy espionage service --Ì´å the one he himself managed -- takes aim at an even bigger target: the exotic, widely misunderstood but still astonishingly influential realm of the Russian-born "science" of disinformation.