Societal ramifications of a perfectly forseeable future?

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The discussion centers around the concept of quantum entanglement potentially allowing for communication not just across space but also through time. An Australian physicist's theory suggests that if this effect can be calibrated, it may enable the transmission of data across time. The initial idea involves posing simple yes or no questions to future selves, exemplified by a hypothetical scenario where an MIT professor instructs a qubit to change state based on a future event, such as a presidential election. As quantum computing advances, the potential for more complex interactions, including video communication with the future, is envisioned. The conversation raises questions about the societal implications of a world where future knowledge and two-way communication with future selves are possible.
Ulnarian
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A couple of months back I was reading an article about an Australian physicist who theorized that not only does quantum entanglement affect particles across space, but also, particles may be entangled through time as well. If we can calibrate this effect, it seems to me like it would be pretty easy to transmit data through time.

At first we would like be constrained to posing simple "yes" or "no" questions to our future selves. For example, an MIT professor may create a qubit in 2011 with instructions to his future self to alter the state of the qubit in 2013 if Obama is re-elected president. However, as quantum computing develops, we would soon have access to full-blown communication with our future selves (complete with video feeds from the future).

So, assuming the professor is correct, what do you guys think a society would look like where everything in the future is knowable and in which 2-way communication between the present and the future is possible?
 
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