this post was submitted on 18 Nov 2024
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I never saw LaForge as a "disabled person" at all. In my view he had superpowers. What puzzled me was why other characters didn't wear similar visors. I mean why would blindness be a prerequisite for getting the ability to see in infrared, ultraviolet, etc? Seems like everybody would want that. Especially if it could be ocular implants like he eventually had.
Someone with functioning eyesight wearing the VISOR would just get a mishmash of nonsensical information. Their real senses clash with what the VISOR is sending them. Coincedentally it's also the exact same reason for another side effect. Pain. Despite Geordi not being able to see, his eyes still sort of fought the VISOR and caused him constant pain. It also had the ability to be hacked which isn't a great option.
Easy technobabble fix - the visor suppresses the optical neurons, or it simply acts as a blindfold so the real eyes see only darkness. LaForge's pain was because the tech wasn't fully developed. I forget if he still had the pain with the prosthetic eyes. Hackability is another problem we probably won't have in the real future because of quantum encryption or whatever, but it's still a good plot device present-day people can relate to - no matter how unrealistically it's portrayed - click-click-click... "okay, I'm in!" LOL.
Quantum encryption won't ever be a "thing."
All cryptography requires a pool of random numbers as inputs, and while different cryptographic methods are more secure than others, all of them are only as secure as their random number pool. The most secure cipher possible is known as a one-time pad which can be proven to be as secure as a cryptographic algorithm could possibly be, and so the only thing that could possibly lead to it being hacked is a poor random number pool. Since quantum mechanics can be used to generate truly random numbers, you could have a perfect random number pool, combined with a perfect cipher, gives you perfect encryption.
That sounds awesome right? Well... no. Because it is trivially easy these days to get regular old classical computers to spit out basically an indefinite number of pseudorandom numbers that are indistinguishable from truly random numbers. Why do you think modern operating systems allow you to encrypt your whole drive? You can have a file tens of gigabytes bit and you click it and it opens instantly, despite your whole drive being encrypted, because your CPU can generate tens of gigabytes of random numbers good enough for cryptography faster than you can even blink.
Random number generation is already largely a solved problem for classical computers. I own a quantum random number generator. I can compare it in various test suites such as the one released by NIST to test the quality of a random number generator, and it can't tell the different between that and my CPU's internal random number generator. Yes, the CPU. Most modern CPUs both have the ability to collect entropy data from thermal noise to seed a pseudorandom number generator, as well as having a hardware-level pseudorandom number, such as x86's RDSEED and RDRAND instructions, so they can generate random numbers good enough for cryptography at blazing speeds.
The point is that in practice you will never actually notice, even if you were a whole team of PhD statisticians and mathematicians, the difference between a message encrypted by a quantum computer and a message encrypted by a classical computer using an industry-approved library. Yet, it is not just that they're equal, quantum encryption would be far worse. We don't use one-time pads in practice despite their security because they require keys as long as the message itself, and thus if we adopted them, it would cut the whole internet bandwidth in half overnight. Pseudorandom number generators are superior to use as the basis for cryptography because the key can be very small and then it can spit out the rest of what is needed to encrypt/decrypt the message from it, and deterministic encryption/decryption algorithms like AES and ChaCha20 are not crackable even by a quantum computer.