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cm0002@lemmy.world
@cm0002@lemmy.world
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Recycled Plastic is a Toxic Cocktail: Over 80 Chemicals Found in a Single Pellet -
Blue whales are going eerily silent—and scientists say it’s a warning signThis post did not contain any content. -
Cleaning plastic containers in a dishwasher is a source of microplastic pollution, study findsThis post did not contain any content. -
Brain breakthrough: Dopamine doesn't work at all like we thought it didThis post did not contain any content. -
ALICE detects the conversion of lead into gold at the Large Hadron ColliderThis post did not contain any content. -
Strange radio pulses detected coming from ice in AntarcticaThis post did not contain any content. -
Lasers match common herbicides at zapping East Coast weedsThis post did not contain any content. -
New psychology research uncovers surprisingly consistent misjudgments of tattooed individualsThis post did not contain any content.
New psychology research uncovers surprisingly consistent misjudgments of tattooed individuals
New research finds that while people often agree on what a tattoo says about someone’s personality, those judgments are usually wrong. The study reveals a consistent gap between how tattoos are perceived and the actual personalities of their wearers.
PsyPost - Psychology News (www.psypost.org)
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Researchers create safer nonstick surface, cutting use of 'forever chemicals'This post did not contain any content. -
Physicists Superheated Gold to Hotter Than the Sun's Surface and Disproved a 40-Year-Old IdeaThis post did not contain any content. -
The ‘Great Dying’ wiped out 90% of life, then came 5 million years of lethal heat. New fossils explain whyThis post did not contain any content. -
Bringing metallurgy into the 21st century: Precisely shaped metal objects provide unprecedented alloy controlThis post did not contain any content. -
Record-Breaking Fusion Lab More Than Doubles Its 2022 Energy BreakthroughThis post did not contain any content. -
String Theorists Accidentally Find a New Formula for PiIn January 2024, physicists Arnab Priya Saha and Aninda Sinha at the Indian Institute of Science discovered a new formula for calculating pi while studying string theory interactions[^1]. Their research, published in Physical Review Letters, presents a series representation that converges much faster than historical methods - requiring only 30 terms to reach 10 decimal places, compared to 5 billion terms needed for the 15th century Madhava series[^1][^2].
The formula emerged unexpectedly while the researchers were developing models to understand quantum particle scattering using string theory, which treats fundamental particles as tiny vibrating strings[^1]. “Our efforts, initially, were never to find a way to look at pi,” said Sinha. “We were excited when we got a new way to look at pi.”[^3]
The discovery has sparked debate in the mathematics community. While some highlight its theoretical significance, others like mathematician Peter Woit argue the findings have been over-hyped in media coverage[^4]. The formula’s key innovation is a free parameter λ that allows for infinitely many representations of pi, with Madhava’s historical series emerging as a special case when λ approaches infinity[^1].
[^1]: Scientific American - String Theorists Accidentally Find a New Formula for Pi
[^2]: Physical Review Letters - Field theory expansions of string theory amplitudes
[^3]: IISc - IISc Physicists Find a New Way to Look at Mathematics’ Pi
[^4]: Columbia Math - Latest Breakthrough From String Theory
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Neurons can communicate via hidden network of nanotubes, study findsThis post did not contain any content. -
Scientists identify a speech pattern that is a clear indication of a person in cognitive declineThis post did not contain any content. -
Scientists find that ice generates electricity when bentThis post did not contain any content. -
A high-resolution spectrometer that fits into smartphonesThis post did not contain any content. -
What your snot can reveal about your healthThis post did not contain any content. -
Scientists Are Using Drones to Unleash Thousands of Mosquitoes in Hawaii in a Bid to Save Native Birds. Here's How It WorksThis post did not contain any content.