资讯

A new argument explores how the growth of disorder could cause massive objects to move toward one another. Physicists are ...
In mid-March, the mathematicians Joshua Greene and Andrew Lobb found themselves in the same situation: locked down and struggling to adjust while the COVID-19 pandemic grew outside their doors. They ...
For Woodin, the dream is to build an inner model that truly approximates V and therefore includes all the large cardinals. He calls it “Ultimate L.”It might seem like a hopeless task — after all, ...
Second, he provided a formula for the maximum number of bits per second that can be reliably communicated in the face of noise, which he called the system’s capacity, C.This is the maximum rate at ...
Humans often make bad decisions. If you like Snickers more than Milky Way, it seems obvious which candy bar you’d pick, given a choice of the two. Traditional economic models follow this logical ...
Francis Su discusses how the community of mathematicians tends to exclude certain people.
I n the fall of 2022, a Princeton University graduate student named Carolina Figueiredo stumbled onto a massive coincidence. She calculated that collisions involving three different types of subatomic ...
In 1848, when Louis Pasteur was a young chemist still years away from discovering how to sterilize milk, he discovered something peculiar about crystals that accidentally formed when an industrial ...
One incentive might be that larger groups of cells can be harder for predators to eat. Independent work by Roberta Fisher at VU University Amsterdam in 2015 and Stefania Kapsetaki at Oxford in 2019 ...
Dictionary of Duality . To see how two theories can secretly say the same things, you need a dictionary to translate between them. The rabbit-duck dictionary, for instance, would establish that “ear” ...
J. Robert Oppenheimer and Hartland Snyder calculated in 1939 that if a perfectly spherical star gravitationally collapses to a point, its matter will become so dense that it will stretch space-time ...
In her mind’s eye, she can see the proteins, each a ribbon of amino acids folded around itself. BMAL1 has a kind of waist that CLOCK clasps like a dancer.