The problem with quantum communication is how to make systems understand each other.

In old fashion encryption, the sending system decodes the message by using the precise key. That key is the coin in this text. Then the receiving system decrypts the massage by using the same key that the sender uses but oppositely. If the sender encrypted the ASCII codes by using multiplication. 

The receiver will divide the ASCII codes by using the same encryption key. In the quantum system, the sender uses a certain group of encryption keys. The idea is that the sender doesn't know precisely which encryption key it uses. But the system knows that in the number of the keychain it used. 

But the sender doesn't know which number the "keychain 2" is in the receiving system. That thing makes it harder to capture the key. Each encryption key in the keychain has a certain value. In the next text. The keys are handled as physical tools like coins. So each coin is a certain key. Those values are the material (frequency), color energy level, and many other things. In the case of qubits the electron, photon, proton, and electromagnetic radiation can be used as values that are telling the system is a message meant to it. 

If we compare the toss of a coin with the encryption process we can think that sending and receiving systems are tossing the coin. If the sides of the coin are the same. Those systems are in the same frequency. And the information can travel between those systems. The problem is how to make sure, that the sides of the coin are the same.

The image above is a good example of the problems with quantum encryption. In that model, the persons toss the coin. If both of them will get the same side another system is ready to receive the message. If the sides of the coin are different. The systems will not match. So in the case, that the sides are different the receiving system thinks that message is for somebody else. And it will not try to open it. 

One of the biggest problems is how to send the key to the receiving system. Or how to make the coins match between systems? There can be billions of coins in the system. 

Those coins or keys might look the same. 

But they can be different. 

The material of those coins can be different. One coin is made by using bronze. 

The second one is made of nickel. And the third coin is made of ice. There are rules of the systems regarding which material they should accept, and which value of the coin is acceptable. And of course, things like impact power and other things can use as encryption value. 

Also, the time when the coin is sent can make the key more complicated. So the time stamp of the coin can tell if the message is meant for receiving system. So in this system, every coin is the qubit or encryption key. 

In quantum systems, the system uses uncertain principles for encrypting and decrypting the message. The system can give the keychain to encrypting tool. And then the encryption system selects one key at random. After that, the sender sends the message. And then the receiving system will know which keychain it must use. Then the system will try all keys together. 

The thing that makes quantum computer superior is that they can handle at the same time multiple keys. In that case, the system uses multiple keys that are used at the same time. And that makes quantum computer superior. 

The mystery of lost pulsars.

"Radio detection of an elusive millisecond pulsar, PSR J1740-5340B (NGC 6397B), in the Globular Cluster NGC 6397 with the Parkes radio telescope in Australia. Credit: NAOC/ScienceApe" (ScitechDaily.com/Why Have Pulsars “Gone Missing” – A New Finding Offers Some Answers)

Pulsars are fast-rotating neutron stars. And that means many forces affect that thing. There is the possibility that the extremely fast rotating neutron stars will stretch from their poles. And the neutron star turns to look a little bit like a dumbbell. That change in the form of neutron stars is not quite big but researchers can measure that change. 

Pulsars can turn away from the Earth. And that means they can be "missing". The changes in material symmetry can cause the pulsar will get an extra dose of positive or negative particles. So in that case the asymmetry in electricity of particles that impact with neutron star can cause the pulsar changes its position. 

All pulsars are neutron stars. The neutron star is a supernova remnant and molecular nebula surrounds neutron stars at least at the beginning of their existence. The radiation of the pulsar forms when particles impact the neutron star. There is the possibility that a neutron star blows its molecular nebula away. And that turns it invisible. 

One reason why pulsar is missing can be it simply turned away from the Earth. Or some pulsars are hard to detect. Because their radiation is turning to Earth all the time. In that case, the radiation of the pulsar continues all the time. Normally pulsars are detected because there are pauses in their radiation. 

When we think about extremely short-period pulsars like millisecond pulsars there is the possibility that those pulsars are just wobbling. That means their poles are moving only a little and that thing causes that pulsar will point to Earth for only a short time. The pulsar's radiation comes mainly out from the poles of the neutron star. So in this text pulsar and neutron star are the same. 

Or maybe we should say that neutron star. That sends radiation is a pulsar. 

All neutron stars are not sending radiation. If a neutron star is in a cosmic bubble, no material impacts them. Radiation of the neutron star comes from high-energy particle impacts to its core. And that's why molecular nebulas are important for making pulsars visible. 

There is one thing that can explain why some pulsars are missing. 

Pulsar radiowaves are born when material falls to a neutron star. When that material impacts that massive object it releases energy as radio waves. When particles impact with a neutron star. They face an extremely strong magnetic field that drives those particles to the poles of the neutron star. The radiation leaves the neutron star in the form of two narrow beams. 

There is the possibility that a neutron star just blows particles away from it. If no gas and dust can impact it no radiation can form in those impacts. So if neutron stars are just making the bubble around them that thing can cause they will be lost. 

But in some scenarios neutron stars are putting the nebula around them to shine so bright that the radiowaves cannot travel across that cloud. When molecular nebula around neutron star gets radiation the particles will sooner or later start to send emission radiation. When the particles are sending radiation the energy level is higher than the radiation that comes from the neutron star that radiation will close the pulsar in it. 

The thing is that the molecular cloud or particles of the molecular cloud around the neutron star or pulsar can send radiation only when their energy level rises higher than the energy that comes from the pulsar. So that thing can turn the molecular cloud into the giant Faraday cage that keeps the radiation of the neutron star inside it. 

Image and other sources. 

https://scitechdaily.com/why-have-pulsars-gone-missing-a-new-finding-offers-some-answers/

https://artificialintelligenceandindividuals.blogspot.com/

The problem for Putin is that losers have no friends.

China's complicated relationship with Russia is an interesting thing. 

The thing that the government of China is afraid of is that Putin's fall makes pressure on it. That pressure can come from outside in the form of sanctions. Or it can be internal pressure, and the major question with PLA (People's Liberation Army) is are its equipment is more capable than Russian equipment. Can the Chinese military systems make any better work than the Russian military? They should be better if PLA wants to use them in military operations.  

The question is: why China stays with Putin?  Russia turns weaker. And that offers a change. That China can get something from that land. There is a possibility that China wants some economic benefit for its support. Or even to expand its area. 

Putin and Xi ensure that their cooperation continues. But what is the price of that cooperation? China is very clever in taking benefits in the global arena. And when we are thinking about the cooperation between China and Russia, we know that China will not give that support freely. There is a price that Putin must pay for that support. 

And the problem with China is that many Western companies are making their products there. The thing is that China was afraid that if Putin falls. The next thing that China faces is sanctions. The Ukrainian conflict offers that the world's attention turns to Ukraine. And that offers China to make aggression against Taiwan. But also Chinese actions like being willing to expand its territorial waters in the South China Sea are things. That caused problems for the position of China in its international relationships. 

Putin's problem is that he began the war. And another thing is that Putin loses the war. If Ukraine would be an attacker, the loss would be more accepted than in this case. But the most embarrassing thing is that attacker is losing the war. 

The old rule in the fight is that when somebody starts the fight, that thing requires fighting skills. If those skills are lost that thing causes an embarrassing situation. In case when somebody begins war and then loses that thing, that person will turn to weight. 

This is the thing with Vladimir Putin. It is suspicious that his countdown is going. And that means there could be very big changes in Russia after Putin's death. Nobody believes that Putin will step away from power voluntarily. 

Maybe mysterious deaths near Putin are the reason for that dirty game behind coulisses. But the question is what comes after Putin? Would the government of Russia change? Or would the internal security authorities try to keep power in their hands after Putin is gone? 

The thing, that brought Putin in order was that many people in the security service wanted to return to the Soviet Union. They believed that the security service was elite. And they wanted to keep their regalia. Those people decide that Putin was Right mon for rule Russia. 

And then somebody told Putin what that man wanted to hear. There is the possibility that the reports of the strike capacity of the troops are fake. Maybe those people who might be very corrupted made those reports from their heads. So the Russian strike capacity can be pure imagination at least in conventional troops. 

The biggest problem with Russia is its nuclear weapons. They can slip into the wrong hands. There is also the possibility that Putin tries to use those weapons. 

But the fact is that even though Putin can continue as president the damages that the Ukrainian conflict caused to the Russian military are priceless. The material that the Russians lost is hard to replace. And another thing is that the Russian military cannot replace the senior officers who died in Ukraine. 

There is a possibility that those men were 25-30 when they joined the Russian military in 1991 after the collapse of the Soviet Union. They are now at the age where they should start to train their successors. And if those people have died they cannot transfer their knowledge to the next generation. 

So this loss in Ukraine can cause damage to the Russian military for a long time. And that thing is a very bad loss for the authority of the Russian government. We must prepare that the disintegration process that began in the Soviet Union continues in Russia. 

Even if the military aggression against Ukraine ends Russian military will not be the same in Putin's lifetime. The problem is that this man started to dream about the return of the Soviet Union. And he made a bad mistake. We must hope that the successor of Putin is not dreaming about the return of the Soviet Union. 

https://yle.fi/uutiset/3-12626192

https://www.mtvuutiset.fi/artikkeli/putin-ja-xi-vakuuttivat-yhteistyon-jatkuvan-mutta-valit-rakoilevat-mita-jarkea-seisoa-heikentyvan-venajan-rinnalla/8514046#gs.ciq71a

https://everyactioncausesthereaction.wordpress.com/2022/09/15/the-problem-for-putin-is-that-losers-have-no-friends/

Microsoft HoloLens enhanced reality system adopted by Pentagon.

   

Enhanced reality means modified Virtual Reality systems. Those systems are based on basically similar technology to Virtual Reality. But enhanced reality means that the VR systems are integrated with other systems like cameras and microphones. 

This kind of system allows users can project images from fixed surveillance cameras, drone cameras, and even satellites in orbital trajectory to screens that are in front of the eyes. Also, the person sees the precise location of fellows all the time by using this kind of system. 

The HoloLens can connect with the intelligent scopes of the weapons. So the shooter can keep the head down and aim the weapon by using HoloLens. 

The enhanced reality systems can use also in many other places than just in some military work. The surgeons can get the images from the cameras connected to their instruments. Also, the images from endoscopes and other systems can project onto those systems. 

Enhanced reality can also use to control nanomachines. Those systems require special interfaces for being effective. And one version is to use HoloLens-type systems. Enhanced reality makes it possible to use the virtual user interfaces of computers. 

The person must just use the action camera and virtual interface. The system projects a virtual mouse and keyboard to the screen. And then the user must just move fingers. For positioning the finger the person must just say a couple of letters. And the system knows how to combine the image and fingers. 

For outsiders seems that a person will move fingers above an empty table. This kind of system can help to keep data safe even if a person uses that system in a public place. The computer itself can be in the backpack. And the user can use the system by using a headset where are the camera and the enhanced reality system. 

https://likeinterstellartravelingandfuturism.blogspot.com/