No, We Still Can’t Use Quantum Entanglement To Communicate Faster Than Light
“There’s an awful lot that you can do by leveraging the bizarre physics of quantum entanglement, such as by creating a quantum lock-and-key system that’s virtually unbreakable with purely classical computations. But the fact that you cannot copy or clone a quantum state — as the act of merely reading the state fundamentally changes it — is the nail-in-the-coffin of any workable scheme to achieve faster-than-light communication with quantum entanglement.
There are a lot of subtleties associated with how quantum entanglement actually works in practice, but the key takeaway is this: there is no measurement procedure you can undertake to force a particular outcome while maintaining the entanglement between particles. The result of any quantum measurement is unavoidably random, negating this possibility. As it turns out, God really does play dice with the Universe, and that’s a good thing. No information can be sent faster-than-light, allowing causality to still be maintained for our Universe.”
You might think that if you have two entangled quantum particles, you can separate them by a large distance, make an observation of some physical property at one location, measure your member of the entangled pair, and use that existing entanglement to send information about what you observed instantaneously to anywhere in the Universe. It’s a brilliant and clever idea, and it turns out it’s absolutely forbidden by the laws of physics.
What’s really going on with quantum entanglement, and why can’t it send information faster than light? Find out today.
The 5 Most Important Rules For Scientists Who Write About Science
“Remember that your number one goal, if you’re a scientist writing about your science, is to increase the excitement and knowledge of your audience about what it is that you do. What we’re learning about all aspects of the Universe is expanding and increasing every day, and that joy and wonder should carry over to all of us in our daily lives. We cannot be experts in each and every field, but that underscores exactly why we need experts, and to respect true expertise when we encounter it.
If we take care to communicate responsibly, we can all gain a greater awareness of what it is that we do understand, as well as an appreciation for what that knowledge means. We may never run out of questions to ponder about the Universe itself, but with a little care and effort, we can all come a little bit closer to comprehending the answers.”
For most of us, we recognize that our expertise is extremely limited in all but a few areas. In order to learn what’s going on at the cutting edge of human knowledge, we have to go to the experts. In fields like physics, astronomy, biology, and chemistry, that means going to the scientists who study those fields. Yet scientists who communicate their own science often are some of the worst communicators out there, either getting mired in the details and losing the big picture or oversimplifying things to the point where they misinform their audience. Yet, if they just followed these five rules, they could avoid the most common mistakes and do what they set out to: inform the world about what they do and why it matters.
Come get the five most important rules for scientists who write about science. I bet you find value here even if you’re not a scientist yourself!