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Why Does -1/12 Keep Appearing Everywhere In Physics?
The sum 1+2+3+4+... is famously assigned the value -1/12 through a technique called Ramanujan summation, and this strange result shows up in real physics, from the Casimir effect to the dimension counting in string theory. A new explainer from PBS Space Time is drawing large attention as viewers debate how a divergent series can yield a meaningful physical answer.
Why now: A popular physics explainer on the counterintuitive -1/12 result has gone viral, renewing debate about infinity and summation in physics
PBS Space TimeSrinivasa Ramanujanstring theoryCasimir effect
Evidence
- Why Does -1/12 Keep Appearing Everywhere In Physics? · PBS Space Time · 418.6K
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