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A tachyonic antitelephone is a hypothetical device in theoretical physics that could be used to send signals into one's own past. Albert Einstein in 1907 [1] [2] presented a thought experiment of how faster-than-light signals can lead to a paradox of causality, which was described by Einstein and Arnold Sommerfeld in 1910 as a means "to telegraph into the past". [3]
[p 1]: 52–53 Einstein's thought experiment as a 16-year-old student. Einstein's recollections of his youthful musings are widely cited because of the hints they provide of his later great discovery. However, Norton has noted that Einstein's reminiscences were probably colored by a half-century of hindsight.
Albert Einstein, 1921. Albert Einstein's religious views have been widely studied and often misunderstood. [1] Albert Einstein stated "I believe in Spinoza's God". [2] He did not believe in a personal God who concerns himself with fates and actions of human beings, a view which he described as naïve. [3]
Retrocausality, or backwards causation, is a concept of cause and effect in which an effect precedes its cause in time and so a later event affects an earlier one. [1] [2] In quantum physics, the distinction between cause and effect is not made at the most fundamental level and so time-symmetric systems can be viewed as causal or retrocausal.
[1] [2]: 274 Einstein's work is also known for its influence on the philosophy of science. [ 3 ] [ 4 ] Einstein is best known by the general public for his mass–energy equivalence formula E = mc 2 (which has been dubbed "the world's most famous equation"). [ 5 ]
In physics, the special theory of relativity, or special relativity for short, is a scientific theory of the relationship between space and time.In Albert Einstein's 1905 paper, On the Electrodynamics of Moving Bodies, the theory is presented as being based on just two postulates: [p 1] [1] [2]
Causalism holds behavior and actions to be the result of previous mental states, such as beliefs, desires, or intentions, rather than from a present conscious will guiding one's actions. One of the foremost proponents for this view was Donald Davidson (philosopher) , who believed "that reasons explain actions just inasmuch as they are the ...
Causality is the relationship between causes and effects. [1] [2] While causality is also a topic studied from the perspectives of philosophy and physics, it is operationalized so that causes of an event must be in the past light cone of the event and ultimately reducible to fundamental interactions.