September 23, 2023
A tachyonic [tak-ee-on-ik] antitelephone is a hypothetical device in theoretical physics that could be used to send signals into one’s own past. Albert Einstein in 1907 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.’ The same thought experiment was described by physicist Richard Chace Tolman in 1917; thus, it is also known as Tolman’s paradox.
A device capable of ‘telegraphing into the past’ was later also called a ‘tachyonic antitelephone’ by science fiction writer and astrophysicist Gregory Benford. According to current understanding of physics, no such faster-than-light transfer of information is actually possible.
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September 4, 2023
The National Popular Vote Interstate Compact (NPVIC) is an agreement among a group of U.S. states and the District of Columbia to award all their electoral votes to whichever presidential ticket wins the overall popular vote in the 50 states and the District of Columbia. The compact is designed to ensure that the candidate who receives the most votes nationwide is elected president, and it would come into effect only when it would guarantee that outcome.
Introduced in 2006, as of August 2023 it has been adopted by sixteen states and the District of Columbia. These jurisdictions have 205 electoral votes, which is 38% of the Electoral College and 76% of the 270 votes needed to give the compact legal force. Certain legal questions may affect implementation of the compact.
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