After raising $1.4 billion.
Long ago, the writer Edward Albee wrote: “Good, better, best, bested.”
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Coordinated release with China, India, Japan, the U.K. and South Korea seeks to ease gasoline prices, White House says.
New ways to measure the top supercomputers’ smarts in the AI field include searching for dark energy, predicting hurricanes, and finding new materials for energy storage.
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A new analysis of the South Pole-based telescope’s cosmic microwave background observations has all but ruled out several popular models of inflation.
Physicists looking for signs of primordial gravitational waves by sifting through the earliest light in the cosmos – the cosmic microwave background (CMB) – have reported their findings: still nothing.
But far from being a dud, the latest results from the BICEP3 experiment at the South Pole have tightened the bounds on models of cosmic inflation, a process that in theory explains several perplexing features of our universe and which should have produced gravitational waves shortly after the universe began.
𝐌𝐀𝐆𝐈𝐂 𝐌𝐔𝐒𝐇𝐑𝐎𝐎𝐌 𝐒𝐓𝐔𝐃𝐘 𝐒𝐔𝐆𝐆𝐄𝐒𝐓𝐒 𝐏𝐒𝐈𝐋𝐎𝐂𝐘𝐁𝐈𝐍 𝐌𝐀𝐘 𝐑𝐄𝐕𝐄𝐑𝐒𝐄 𝐀𝐋𝐂𝐎𝐇𝐎𝐋-𝐈𝐍𝐃𝐔𝐂𝐄𝐃 𝐁𝐑𝐀𝐈𝐍 𝐃𝐀𝐌𝐀𝐆𝐄
𝘼𝙁𝙏𝙀𝙍 𝙃𝘼𝙇𝙁 𝘼 𝘾𝙀𝙉𝙏𝙐𝙍𝙔 𝙤𝙛 𝙗𝙡𝙤𝙘𝙠𝙨 𝙩𝙤 𝙧𝙚𝙨𝙚𝙖𝙧𝙘𝙝 𝙤𝙣 𝙥𝙨𝙮𝙘𝙝𝙚𝙙𝙚𝙡𝙞𝙘𝙨’ 𝙥𝙤𝙩𝙚𝙣𝙩𝙞𝙖𝙡 𝙛𝙤𝙧 𝙩𝙧𝙚𝙖… See more.
The psychedelic drug psilocybin can restore alcohol-induced damage to the brain’s glutamate receptors — that’s the finding of a new study published in ‘Science Advances.’
And that’s where physicists are getting stuck.
Zooming in to that hidden center involves virtual particles — quantum fluctuations that subtly influence each interaction’s outcome. The fleeting existence of the quark pair above, like many virtual events, is represented by a Feynman diagram with a closed “loop.” Loops confound physicists — they’re black boxes that introduce additional layers of infinite scenarios. To tally the possibilities implied by a loop, theorists must turn to a summing operation known as an integral. These integrals take on monstrous proportions in multi-loop Feynman diagrams, which come into play as researchers march down the line and fold in more complicated virtual interactions.
Physicists have algorithms to compute the probabilities of no-loop and one-loop scenarios, but many two-loop collisions bring computers to their knees. This imposes a ceiling on predictive precision — and on how well physicists can understand what quantum theory says.
Our galaxy is not alone. Swirling around the Milky Way are several smaller, dwarf galaxies—the biggest of which are the Small and Large Magellanic Clouds, visible in the night sky of the Southern Hemisphere.
During their dance around the Milky Way over billions of years, the Magellanic Clouds’ gravity has ripped from each of them an enormous arc of gas—the Magellanic Stream. The stream helps tell the history of how the Milky Way and its closest galaxies came to be and what their future looks like.
New astronomical models developed by scientists at the University of Wisconsin–Madison and the Space Telescope Science Institute recreate the birth of the Magellanic Stream over the last 3.5 billion years. Using the latest data on the structure of the gas, the researchers discovered that the stream may be five times closer to Earth than previously thought.
New observations reveal the possible origins of a mysterious object called Kamoʻoalewa. It could be the wreckage from an ancient impact on the moon.
This new reality promises robotic dogs to enforce social distancing and publicly owned flying taxis to provide transportation since private vehicles are only available to the rich. The technology is currently being rolled out in other western nations, including Canada.
On a hard disk somewhere in the surveillance archives of Singapore’s Changi prison is a video of Jolovan Wham, naked, alone, performing Hamlet.
