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Can quantum entanglement be used to transmit information between two distant points?

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  The short answer is   no , you cannot send usable (classical) information simply by measuring one half of an entangled pair—at least not in a way that circumvents normal communication channels. Although entangled particles have correlations in their measurement outcomes, these correlations alone cannot be used to transmit messages faster than light or in the absence of a classical signal. Below is a bit more detail on why: 1. Quantum Entanglement in a Nutshell Entanglement   is a quantum-mechanical phenomenon where the quantum states of two (or more) particles become linked. Measuring one entangled particle appears to “instantaneously” affect the state of the other, no matter the distance between them. Despite this “spooky” nature,   entanglement by itself does not allow you to send classical information   (i.e., readable messages) faster than light. 2. The No-Communication Theorem The   no-communication theorem   in quantum mechanics states that mea...

Robert Sapolsky: The Biology and Psychology of Depression

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  Robert Sapolsky: The Biology and Psychology of Depression Robert Sapolsky, a renowned neuroscientist, primatologist, and author, has extensively explored the biological and psychological underpinnings of depression. His research and writings synthesize findings from neurobiology, endocrinology, and psychology to provide a nuanced understanding of this complex and often misunderstood condition. Sapolsky’s insights emphasize that depression is not merely a psychological state or a reaction to adverse life events but a multifaceted disorder deeply rooted in the biology of the brain and body.

Cancer

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  The Most Recent Advances in Cancer Treatments: A Revolutionary Era Cancer remains one of the most challenging diseases to treat due to its complexity and variability across patients and types. Recent years have seen remarkable progress in cancer treatments, driven by advances in   immunotherapy ,   targeted therapies ,   personalized medicine , and   gene-editing technologies . These innovations are transforming cancer care, offering hope to patients and redefining the standard of treatment. This essay explores the most recent and promising cancer therapies, their mechanisms, and their implications for the future of oncology. 1. Immunotherapy: Harnessing the Body's Immune System a) Immune Checkpoint Inhibitors Immune checkpoint inhibitors (ICIs) block proteins like   PD-1 ,   PD-L1 , and   CTLA-4 , which cancer cells use to evade immune attack. By disabling these checkpoints, ICIs unleash T cells to target and destroy cancer cells. Recent Advanc...

Weaving a classical geometry with quantum threads

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You can find the ChatGPT chat here:  ChatGPT And the full paper here .