Tourists of time all know one rule: never change the past. Whether it’s preventing your own conception or handing the…
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Tourists of time all know one rule: never change the past. Whether it’s preventing your own conception or handing the…
Read MoreThe early universe experienced a phase of rapid expansion, known as inflation. For decades, cosmologists assumed that this expansion was…
Read MorePhysicists have long grouped the most basic building blocks of our universe into two categories. One group consists of fermions,…
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