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How primordial black holes could explain dark matter
  + stars: | 2024-06-17 | by ( Jacopo Prisco | ) edition.cnn.com   time to read: +10 min
The late physicist Stephen Hawking hypothesized that dark matter could be hiding in black holes formed during the big bang. “We were making use of Stephen Hawking’s famous calculations about black holes, especially his important result about the radiation that black holes emit,” Kaiser said. This is not to say dark matter is not a particle, or that it’s for sure black holes. “The next generation of gravitational detectors could catch a glimpse of the small-mass black holes — an exotic state of matter that was an unexpected byproduct of the more mundane black holes that could explain dark matter today.”Many forms of dark matterWhat does this mean for the ongoing experiments that are trying to detect dark matter, such as the LZ Dark Matter Experiment in South Dakota? And those indeed might pick up some of the stray signals from the very violent formation process of primordial black holes.”There’s also the possibility that primordial black holes are just a fraction of the dark matter, Alonso-Monsalve added.
Persons: Vera Rubin, Kent Ford, ” Rubin, , Fritz Zwicky, Stephen Hawking, , David Kaiser, Stephen Hawking’s, ” Kaiser, didn’t, Elba Alonso, Monsalve, ” Alonso, Alonso, Kaiser, , There’s, Nico Cappelluti, “ Cappelluti, Priyamvada Natarajan, Joseph S, Sophia S, Fruton, Natarajan Organizations: CNN, NASA, Massachusetts Institute of Technology, Science, MIT, University of Miami, Astronomy, Yale University Locations: , American, Swiss, British, South Dakota
NVDA .SPX 1Y mountain Nvidia's stock performance over the past 12 months compared with the S & P 500. The fresh details Sunday underscore Nvidia's commitment to roll out a new version of its AI chip platform roughly every year, instead of the two-year cadence it used to follow. In a sign of the competition, Advanced Micro Devices , Nvidia's main rival in the booming AI chip market, also highlighted plans at Computex to release updated processors each year. The product announcements "continue to bolster" Nvidia's AI leadership position, Bank of America analysts wrote to clients Monday. The firm reiterated its price target of $1,500 per share and top-pick designation on Nvidia's stock.
Persons: Rubin, Blackwell, Jensen Huang, Taiwan —, Vera, Hopper, Grace, Vera Rubin —, what's, Goldman, Jim Cramer's, Jim Cramer, Jim, Sam Yeh Organizations: Nvidia, Devices, AMD, Microsoft, Blackwell, Smithsonian, Wall Street, Bank of America, CNBC, AFP, Getty Locations: Blackwell, Taiwan, Computex, Taipei
Nvidia CEO Jensen Huang revealed the Rubin platform at Computex in Taipei. The Rubin, named after astronomer Vera Rubin, comes just months after Nvidia unveiled Blackwell. download the app Email address Sign up By clicking “Sign Up”, you accept our Terms of Service and Privacy Policy . CEO Jensen Huang hesitantly revealed Rubin, the company's latest AI platform, at the Computex conference in Taipei on Sunday. The announcement comes less than three months after Nvidia unveiled its predecessor, the Blackwell chip.
Persons: Jensen Huang, Rubin, The Rubin, Vera Rubin, Blackwell, , Jensen Huang hesitantly, Huang didn't Organizations: Nvidia, Service, Sunday, Business Locations: Computex, Taipei
NASA spacecraft closes in on asteroid for head-on collision
  + stars: | 2022-09-26 | by ( ) www.cnbc.com   time to read: +4 min
A NASA spacecraft closed in on an asteroid at blistering speed Monday in an unprecedented dress rehearsal for the day a killer rock menaces Earth. The galactic grand slam was set to occur at a harmless asteroid 7 million miles (9.6 million kilometers) away, with the spacecraft named Dart plowing into the rock at 14,000 mph (22,500 kph). The $325 million mission is the first attempt to shift the position of an asteroid or any other natural object in space. The spacecraft packed a scant 1,260 pounds (570 kilograms), compared with the asteroid's 11 billion pounds (5 billion kilograms). Monday's dramatic action aside, the world must do a better job of identifying the countless space rocks lurking out there, warned the foundation's executive director, Ed Lu, a former astronaut.
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