The new record for quantum entanglement is 32 kilometers or 20 miles.

Researchers have successfully quantum entangled two atoms over 30 km of fiber optic cables, (New Atlas/Record-setting quantum entanglement connects two atoms across 20 miles)

There is virtual quantum communication that allows transferring of highly secured data over long distances. That system is based on the idea that the system shares messages between different broadbands. Each bite of those messages has the serial number that allows the receiving system to put them back to order. The system sends a message by using multiple broadbands at the same time. And because the message is shared between broadbands it's hard to open without permission.

But when we are going to think of real quantum communication, we are facing an interesting thing. There is no limit to the distance of quantum entanglement. And theoretically, that kind of thing can offer the possibility to communicate between stars. The idea of interstellar quantum data transmission is simple. Two particles are superpositioned and entangled.

Another particle of that particle pair is in the laboratory. And another is in the spacecraft that will travel to that solar system. The communication will happen by moving quantum entanglement back and forth. And that allows for the transmission of data between stars without black holes or breaking even Einstein's Theory of Special relativity. The quantum entanglement is like a stick between stars.

When another part of this stick moves another part is moving too. So the interstellar quantum entanglement acts like the stylus of the old-fashion gramophone. And that allows it to transmit data between stars at a very high speed.

The record-setting quantum entanglement is made through light cables. But the fact is that also the laser ray that travels through the air could make long-distance quantum entanglement possible.

The ability to make a long-distance quantum entanglement plays a key role in highly secured quantum communication. Quantum computers can crack any code that is made by using binary computers. But the thing that makes quantum computers useless for cracking the data is simple. If quantum computers use quantum encryption and quantum security. The quantum entanglement that transfers information between two quantum systems can be pulled inside a laser ray.

So the laser ray protects the quantum entanglement. And if somebody tries to steal data that thing requires that the crossing quantum entanglement must pull through that system. The measurement tools detect the change in the energy level and warn about unauthorized attempts to steal information.

The ability to transport data, between two quantum memories is the key element in fully operating quantum computers. The binary system loads data to quantum memory. And then that data will send forward in the form of the qubit. The data package will transmit to another quantum memory, and then it will be turned to binary mode simply by downloading each quantum state separately to the bit-row.

That allows regular keyboards to work with quantum processors. But in the future, there is the possibility that quantum computers can operate straight with their users without a binary layer.

https://newatlas.com/telecommunications/quantum-entanglement-atoms-distance-record/

https://phys.org/news/2022-07-entanglement-quantum-memories.html

https://phys.org/news/2022-07-mathematical-quantum-interstellar-space.html

Image: https://newatlas.com/telecommunications/quantum-entanglement-atoms-distance-record/

https://miraclesofthequantumworld.blogspot.com/

Schrödinger's cat: and the limits of that idea.

"In quantum mechanics, Schrödinger's cat is a thought experiment concerning quantum superposition". (Wikipedia, Schrödinger's cat). But the same thing can use as model for many other thought experiments. Sooner or later, or at least in the ultimate end of the universe, the Schrödinger's cat will turn into wave movement. The information that this cat involved exists but the cat does not exist in its material form. The information doesn't ever vanish. It just turns its shape. We are all trapped in the universe and time. The universe is the space that is entirety to us. There are no confirmed other universities. But the multiverse is a logical continuum for the expanding galactic megastructures. The problem with natural things is this. They are black and white. They exist or do not exist. Could there be something, that exists and not exists at the same time? Scrödinger's cat is thinking experiment about case their cat is not dead or not alive. But in this...

The string theory offers a new way to calculate Pi.

"Scientists discovered a new series for pi through string theory research, echoing a 15th-century formula by Madhava. By combining Euler-Beta Functions and Feynman Diagrams, they modeled particle interactions efficiently. Credit: SciTechDaily.com" (ScitechDaily, String Theory Unravels New Pi Formula: A Quantum Leap in Mathematics) People normally think that. The pi is the ratio of the circumference circle's circumference to the circle's diameter. The Pi is a mathematical constant 3.14159..., the endless decimal number. The Pi is interesting because developers can use that decimal number to make the encryption algorithms stronger. The idea is that the encryptions program hides the message's original ASCII numbers by multiplicating those numbers with some decimal number. Or the system can add some numbers to those ASCII numbers. "Aninda Sinha (left) and Arnab Saha (right). Credit: Manu Y" (ScitechDaily, String Theory Unravels New Pi Formula: A Quantum Le...

There are always more than three actors in the real world.

"An international research team is advancing precision timekeeping by developing a nuclear clock using thorium isotopes and innovative laser methods, potentially transforming our understanding of physical constants and dark matter. (Artist’s concept.) Credit: SciTechDaily.com" (ScitechDaily, Unveiling the Thorium Nuclear Clock and Its Time-Twisting Secrets) From Three-body problem... There are no pure three-body systems in nature. There are always more than three components in the system. For making real three-body systems we must separate those three bodies from the environment. Otherwise, there are stable effects. But nobody can predict some effects like distant supernova explosions or sun eruptions. And one of those things that affect all bodies is time. When radioactive materials decay. That affects the stability and symmetry of the object. Energy levels affect the existence of things like neutrons. The thorium atom clocks are next-generation tools for time measurement....

Cogito ergo sum. I think; therefore I am (René Descartes, French philosopher)

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