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Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature Astronomy, researchers discuss the consequences of these so-called false-negative results. “We are currently investing a great deal of money in missions that might need to be designed differently.”
A team from Vienna and Frankfurt has found a formula describing a strange phenomenon: Space and time can form a kind of “crystal” that may turn into a black hole. The results are described in Physical Review Letters.
Among dozens of changes recommended by a 100-page IACP report, boxing will be permanently banned at the academy following the death of Enrique Delgado-Garcia
Larry Bushart spent 37 days in jail before his charges were dropped; Perry County Sheriff Nick Weems cited a meme referencing a school shooting as the reason for the arrest
The man, who was on parole for armed robbery, was on the run after shooting a man who tried to stop him from sexually assaulting a woman when he fired at Pasadena officers
Within a crystal’s atomic structure, tiny atomic-scale flaws will naturally occur where electrons can become trapped. These defects have emerged as one of the leading platforms for quantum information processing. Through a new study, posted to the preprint server arXiv, Ilai Schwartz and colleagues at NVision Imaging Technologies in Germany have shown that a specialized molecule embedded inside a crystal could take this approach a step further, offering a more controllable and versatile route to building quantum systems.
It’s a truism among oceanographers that there is more accurate mapping of the surface of the moon and Mars than of the deep-ocean floor. That’s especially true for the Bismarck Sea, a relatively deep body of water north of Papua New Guinea. It’s an ocean basin with a geologically complex seafloor rife with faults, volcanic features, rifts, scarps, and active subduction and spreading zones at depths that make high-resolution sonar mapping challenging.
Astronomers have identified a possible new member of one of astronomy’s strangest classes of objects: Odd radio circles (ORCs), enormous ring-like structures visible only at radio wavelengths. The newly discovered source, J1248+4826, appears to be the most compact ORC candidate identified so far, with a ring only about 30,000 parsecs across. The paper was posted to the arXiv preprint server on May 6.
Elon Musk founded SpaceX in 2002 with the lofty goal of ferrying humans to Mars and colonizing Earth’s neighboring planet.
Elon Musk announced plans Wednesday for one of the biggest stock sales ever by taking public a space company that is currently losing billions of dollars a year.
Hundreds of companies raised a combined $70 billion by selling shares to the public in the United States last year.
Elon Musk’s SpaceX is set for the debut launch of its latest Starship iteration on Thursday, testing the most powerful version yet of the megarocket as the company targets a blockbuster initial public offering.
Quantum computers get a lot of attention, even though they are not ready for prime time, but quantum sensors are already doing useful work. These sensors measure fields, forces and motion so small that ordinary background noise can drown them out. Some sensors are already in daily use, while others are moving from research labs into flight tests, hospitals and field instruments.
Standardizing calculations of the helium byproducts generated in advanced fission and fusion energy system materials can increase reactor safety and longevity, according to a study led by University of Michigan Engineering with collaborators at Oak Ridge National Laboratory and its management contractor UT-Battelle.
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