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From an American source heavily invested in researching quantum computers for commercial purposes:

Quantum entanglement is a complex phenomenon, but perhaps the simplest explanation, courtesy of Astronomy Magazine, is that quantum entanglement occurs “when two particles are inextricably linked together no matter their separation from one another. Although these entangled particles are not physically connected, they still are able to share information with each other instantaneously — seemingly breaking one of the most hard-and-fast rules of physics: that no information can be transmitted faster than the speed of light.” This the basis for the premise that quantum entanglement can enable communications faster than the speed of light. Unfortunately, it’s not so simple.

Nevertheless, research continues on this subject and some physicists believe that faster-than-light communication might be possible with some intricate manipulation of entangled particles. For now, we know that the interaction between entangled quantum particles is faster than the speed of light. In fact, Chinese physicists have measured the speed. We know that quantum entanglement can be used to realize quantum teleportation experimentally. We know that entanglement has applications in the emerging technologies of quantum computing and quantum cryptography. With a fiber optic network that can carry conventional data and quantum data, a quantum internet is becoming more of a possibility. The real hurdle to overcome, though is being able to communicate data through quantum entanglement – that’s when we might be able to communicate faster than the speed of light.

Quantum Xchange has developed the first fiber optic network in the U.S. to be used solely to transmit and receive quantum cryptographic keys between entities that are securely transferring critical data.

Most people by now have experienced that USB flat connectors are quantum devices.

That is, it takes three times in order for the plug and socket to be defined (decohered?).

You have to try to plug it in one way, then reverse it, and then return it to the first position before it plugs in. It does not matter which way you try to plug it in the first time. It follows the uncertainty principle, being in two states at the same tine (both states the wrong state) until it is observed by the port, then the port is defined, and it is ALWAYS the opposite configuration of the second 'try'.

In a galaxy far, far away, there is a purely quantum world, where EVERYTHING is superpositioned. That is, the quantum world is the size of the solar system. Intelligent life has evolved, such that they have need to connect two devices by way of a cable, for security purposes. Quantum entanglement is SOOOOO prone to hacking, only direct connections using photon transmission through an enclosed cable are secure.

I am thinking in terms of the double slit experiment, wherein a photon that is not observed follows a probability wave trajectory and demonstrates an interference pattern, but a photon that has been observed before it goes through the slit does not demonstrate the quantum wave probability interference pattern (Decoherence before vs after the slit). There would be information loss, in the interference pattern, I would presume, as not all 'destinations' would be possible. Sort if like a perfect square wave being decomposed into its fundamental frequency and an infinite number of harmonics, the shape of the original wave is always lost.

If the plug and the socket of the port were both quantum 'superposition units', what would be the implications of trying to plug the connector into the port? What would the USB port 'look like'? Consider such things as: when would decoherence occur? Could it be done the first time (i.e. it was observed before it 'entered the slot'), or would it take multiple times to insert it? And could the connector be an 'any way works' connector?

Most people by now have experienced that USB flat connectors are quantum devices.

That is, it takes three times in order for the plug and socket to be defined (decohered?).

You have to try to plug it in one way, then reverse it, and then return it to the first position before it plugs in. It does not matter which way you try to plug it in the first time. It follows the uncertainty principle, being in two states at the same tine (both states the wrong state) until it is observed by the port, then the port is defined, and it is ALWAYS the opposite configuration of the second 'try'.

In a galaxy far, far away, there is a purely quantum world, where EVERYTHING is superpositioned. That is, the quantum world is the size of the solar system. Intelligent life has evolved, such that they have need to connect two devices by way of a cable, for security purposes. Quantum entanglement is SOOOOO prone to hacking, only direct connections using photon transmission through an enclosed cable are secure.

I am thinking in terms of the double slit experiment, wherein a photon that is not observed follows a probability wave trajectory and demonstrates an interference pattern, but a photon that has been observed before it goes through the slit does not demonstrate the quantum wave probability interference pattern (Decoherence before vs after the slit). There would be information loss, in the interference pattern, I would presume, as not all 'destinations' would be possible. Sort if like a perfect square wave being decomposed into its fundamental frequency and an infinite number of harmonics, the shape of the original wave is always lost.

If the plug and the socket of the port were both quantum 'superposition units', what would be the implications of trying to plug the connector into the port? What would the USB port 'look like'? Consider such things as: when would decoherence occur? Could it be done the first time (i.e. it was observed before it 'entered the slot'), or would it take multiple times to insert it? And could the connector be an 'any way works' connector?

Although very speculative, answers do not have to be opinion based. There has been a great deal of research into quantum entanglement, superposition, and quantum computers that make this a very real and pertinent question. The entire concept of how to interface two quantum 'cores' without going through the classical world is a very contemporary problem. In a pure quantum computer, Qbits are in fact not decohered until the answer is requested, or 'observed'. Until then, the core remains in the entangled superposition probabilistic wave function state. The entire CONCEPT of a quantum computer is to leave the core in the quantum state, entangled and in superposition, while 'processing' is occurring. The answer is in the probabilistic quantum matrix, as an overall probability.

Most people by now have experienced that USB flat connectors are quantum devices.

That is, it takes three times in order for the plug and socket to be defined (decohered?).

You have to try to plug it in one way, then reverse it, and then return it to the first position before it plugs in. It does not matter which way you try to plug it in the first time. It follows the uncertainty principle, being in two states at the same tine (both states the wrong state) until it is observed by the port, then the port is defined, and it is ALWAYS the opposite configuration of the second 'try'.

in a galaxy far, far away, there is a purely quantum world, where EVERYTHING is superpositioned. That is, the quantum world is the size of the solar system. Intelligent life has evolved, such that they have need to connect two devices by way of a cable, for security purposes. Quantum entanglement is SOOOOO prone to hacking, only direct connections using photon transmission through an enclosed cable are secure.

I am thinking in terms of the double slit experiment, wherein a photon that is not observed follows a probability wave trajectory and demonstrates an interference pattern, but a photon that has been observed before it goes through the slit does not demonstrate the quantum wave probability interference pattern (Decoherence before vs after the slit).

If the plug and the socket of the port were both quantum 'superposition units', what would be the implications of trying to plug the connector into the port? What would the USB port 'look like'? Consider such things as: when would decoherence occur? Could it be done the first time (i.e. it was observed before it 'entered the slot'), or would it take multiple times to insert it? And could the connector be an 'any way works' connector?

Most people by now have experienced that USB flat connectors are quantum devices.

That is, it takes three times in order for the plug and socket to be defined (decohered?).

You have to try to plug it in one way, then reverse it, and then return it to the first position before it plugs in. It does not matter which way you try to plug it in the first time. It follows the uncertainty principle, being in two states at the same tine (both states the wrong state) until it is observed by the port, then the port is defined, and it is ALWAYS the opposite configuration of the second 'try'.

In a galaxy far, far away, there is a purely quantum world, where EVERYTHING is superpositioned. That is, the quantum world is the size of the solar system. Intelligent life has evolved, such that they have need to connect two devices by way of a cable, for security purposes. Quantum entanglement is SOOOOO prone to hacking, only direct connections using photon transmission through an enclosed cable are secure.

I am thinking in terms of the double slit experiment, wherein a photon that is not observed follows a probability wave trajectory and demonstrates an interference pattern, but a photon that has been observed before it goes through the slit does not demonstrate the quantum wave probability interference pattern (Decoherence before vs after the slit). There would be information loss, in the interference pattern, I would presume, as not all 'destinations' would be possible. Sort if like a perfect square wave being decomposed into its fundamental frequency and an infinite number of harmonics, the shape of the original wave is always lost.

If the plug and the socket of the port were both quantum 'superposition units', what would be the implications of trying to plug the connector into the port? What would the USB port 'look like'? Consider such things as: when would decoherence occur? Could it be done the first time (i.e. it was observed before it 'entered the slot'), or would it take multiple times to insert it? And could the connector be an 'any way works' connector?