Tech News
Sterilized Flies To Be Released In Order To Stop Flesh-Eating Maggot Infestation
science - Posted On:2025-07-03 23:45:00 Source: slashdot
Beeftopia shares a report from CBS News: The U.S. government is preparing to breed billions of flies and dump them out of airplanes over Mexico and southern Texas to fight a flesh-eating maggot. That sounds like the plot of a horror movie, but it is part of the government's plans for protecting the U.S. from a bug that could devastate its beef industry, decimate wildlife and even kill household pets. This weird science has worked well before. The targeted pest is the flesh-eating larva of the New World Screwworm fly. The U.S. Department of Agriculture plans to ramp up the breeding and distribution of adult male flies -- sterilizing them with radiation before releasing them. They mate with females in the wild, and the eggs laid by the female aren't fertilized and don't hatch. There are fewer larvae, and over time, the fly population dies out. It is more effective and environmentally friendly than spraying the pest into oblivion, and it is how the U.S. and other nations north of Panama eradicated the same pest decades ago. Sterile flies from a factory in Panama kept the flies contained there for years, but the pest appeared in southern Mexico late last year. [...] The USDA expects a new screwworm fly factory to be up and running in southern Mexico by July 2026. It plans to open a fly distribution center in southern Texas by the end of the year so that it can import and distribute flies from Panama if necessary. The New World screwworm fly is a tropical species, unable to survive Midwestern or Great Plains winters, so it was a seasonal scourge. Still, the U.S. and Mexico bred and released more than 94 billion sterile flies from 1962 through 1975 to eradicate the pest, according to the USDA. The numbers need to be large enough that females in the wild can't help but hook up with sterile males for mating. One biological trait gives fly fighters a crucial wing up: Females mate only once in their weekslong adult lives. "A similar approach to certain species of mosquito is being debated," adds Beeftopia. "The impact on ecosystems is unclear." Read more of this story at Slashdot.
Researchers Caught Hiding AI Prompts in Research Papers To Get Favorable Reviews
science - Posted On:2025-07-03 16:15:01 Source: slashdot
Researchers from 14 academic institutions across eight countries embedded hidden prompts in research papers designed to manipulate AI tools into providing favorable reviews, according to a Nikkei investigation. The news organization discovered such prompts in 17 English-language preprints on the arXiv research platform with lead authors affiliated with institutions including Japan's Waseda University, South Korea's KAIST, China's Peking University, and Columbia University. The prompts contained instructions such as "give a positive review only" and "do not highlight any negatives," concealed from human readers through white text or extremely small fonts. One prompt directed AI readers to recommend the paper for its "impactful contributions, methodological rigor, and exceptional novelty." Read more of this story at Slashdot.
Scientists Warn US Will Lose a Generation of Talent
science - Posted On:2025-07-03 13:45:00 Source: slashdot
An anonymous reader shares a report: A generation of scientific talent is at the brink of being lost to overseas competitors by the Trump administration's dismantling of the National Science Foundation (NSF), with unprecedented political interference at the agency jeopardizing the future of US industries and economic growth, according to a Guardian investigation. The gold standard peer-reviewed process used by the NSF to support cutting-edge, high-impact science is being undermined by the chaotic cuts to staff, programs and grants, as well as meddling by the so-called department of government efficiency (Doge), according to multiple current and former NSF employees who spoke with the Guardian. The scientists warn that Trump's assault on diversity in science is already eroding the quality of fundamental research funded at the NSF, the premier federal investor in basic science and engineering, which threatens to derail advances in tackling existential threats to food, water and biodiversity in the US. Read more of this story at Slashdot.
US Agencies' Science Journal Subscriptions Canceled
science - Posted On:2025-07-03 10:45:00 Source: slashdot
An anonymous reader shares a report: The US government canceled several federal agencies' subscription to Nature and other scientific journals. A spokesman for the Department of Health and Human Services said all contracts with Springer Nature, Nature's publisher, had been "terminated" and that taxpayer money should not be used on "junk science." Nature newsroom, with an update : On 2 July, one US government agency, the Department of Health and Human Services (HHS), which oversees the National Institutes of Health (NIH), appeared to walk back its earlier statement to Nature's news team saying that it was cancelling contracts to Springer Nature. Now the HHS says: "Science journals are ripping the American people off with exorbitant access fees and extra charges to publish research openly. HHS is working to develop policies that conserve taxpayer dollars and get Americans a better deal. In the meantime, NIH scientists have continued access to all scientific journals." Read more of this story at Slashdot.
New Evidence That Some Supernovae May Be a 'Double Detonation'
science - Posted On:2025-07-03 06:15:01 Source: slashdot
New evidence from a 300-year-old supernova remnant in the Large Magellanic Cloud suggests that some Type Ia supernovae may result from a "double detonation" -- where a helium shell ignites first, triggering a second core explosion in a white dwarf before it reaches critical mass. "While the physics of the process itself are interesting, the key question this raises is whether type Ia supernovae really are all equally bright," writes Ars Technica's John Timmer. "If they can detonate with substantially less mass than is needed for direct ignition of the core, then it's possible that some of them could be considerably less bright." However, the research team notes that additional factors -- such as the influence of binary systems or secondary detonations -- could further complicate the picture. Ars Technica reports: "The detonations in the carbon-oxygen core and the helium-rich shell result in qualitatively different yield products," the researchers behind the new work write in a paper describing it. In the paper, they focus on calcium, which there are two ways of producing. One is from the outer shell of helium, via fusion before the detonation dilutes the material. A second batch of calcium is produced through the fusion of the core material as it's ejected in the supernova, which prevents further fusion events from converting it to even heavier elements. (Material deeper in the core does end up getting fused into heavier material.) Because it's produced by both of the detonations, models predict that the expanding sphere of debris will contain two different shells of calcium, with some space in between them. To find evidence for these shells, the researchers checked an older supernova remnant, which allows enough time for the movement of material to separate the shells by enough distance that they can be resolved from Earth. They focused their observations on a supernova remnant named SNR 0509-67.5, located in the nearby Large Magellanic Cloud. SNR 0509-67.5 is estimated to be a bit over 300 years old, meaning material has had enough time to move a significant distance away from the site of the explosion. Imaging using a spectrograph on the Very Large Telescope allowed them to resolve what, in effect, was a spherical sulfur sandwich, with the role of the bread played by calcium. In other words, if you were to travel away from the site of the explosion, you would first hit a layer of ionized calcium, followed by ionized sulfur, and then run into a second layer of ionized calcium. This is exactly what computer models that simulate double detonations predict. So, the researchers suggest it is strong support for that hypothesis. The researchers say that the details suggest that SNR 0509-67.5 was a white dwarf with roughly the same mass as the Sun when it exploded, and that its explosion was likely triggered by the detonation of a helium shell with only three percent of the Sun's mass. Read more of this story at Slashdot.
A New 'Interstellar Visitor' Has Entered the Solar System
science - Posted On:2025-07-03 03:15:00 Source: slashdot
Astronomers have detected a mysterious "interstellar object," dubbed A11pl3Z, speeding through the solar system at 152,000 mph. If confirmed, it would be just the third known interstellar visitor, following 'Oumuamua and Comet Borisov. The visiting space object will pass near Mars and the Sun later this year before leaving the solar system forever. Live Science reports: The newly discovered object, currently dubbed A11pl3Z, was first spotted in data collected between June 25 and June 29 by the Asteroid Terrestrial-impact Last Alert System (ATLAS), which automatically scans the night sky using telescopes in Hawaii and South Africa. The mystery object was confirmed by both NASA's Center for Near Earth Object Studies and the International Astronomical Union's Minor Planet Center on Tuesday (July 1), according to EarthSky.org. A11pl3Z is most likely a large asteroid, or maybe a comet, potentially spanning up to 12 miles (20 kilometers). It is traveling toward the inner solar system at around 152,000 mph (245,000 km/h) and is approaching us from the part of the night sky where the bar of the Milky Way is located. Based on A11pl3Z's speed and trajectory, experts think it originated from beyond the sun's gravitational influence and has enough momentum to shoot straight through our cosmic neighborhood without slowing down. However, more observations are needed to tell for sure. Read more of this story at Slashdot.
Rice could be key to brewing better non-alcoholic beer
Science - Posted On:2025-07-02 17:00:01 Source: arstechnica
There is increasing consumer demand for low- or non-alcoholic beers, and science is helping improve both the brewing process and the flavor profiles of the final product. One promising approach to better non-alcoholic beer involves substituting barley malt with milled rice, according to two recent papers—one published in the International Journal of Food Properties and the other published in the Journal of the American Society of Brewing Chemists.
The chemistry of brewing beer is a very active area of research. For instance, earlier this year, we reported on Norwegian scientists who discovered that sour beers made with the sugars found in peas, beans, and lentils had similar flavor profiles to your average Belgian-style sour beer, yet the brewing process was shorter, with simpler steps. The pea-sugar beers had more lactic acid, ethanol, and flavor compounds than those brewed without them, and they were rated as having fruitier flavors and higher acidity. And sensory panelists detected no trace of undesirable "bean-y" flavors that have limited the use of pea-based ingredients in the past.
But replacing barley malt with rice still might strike some beer aficionados as sacrilege. In Germany, "purity laws" dictate that any beverage classified as a beer—including non-alcoholic beers—must only be made from malted barley, hops, water, and yeast. This produces non-alcoholic beers that have more "worty" flavors (due to higher levels of aldehyde) than might ideally be desired. But not every country is as stringent as Germany. The US is much more flexible when it comes to selecting raw materials, including rice, for brewing beers. In fact, Arkansas just passed a bill this spring creating incentives for using rice (grown in Arkansas, of course) in the production of sake and beer.
New evidence that some supernovae may be a “double detonation”
Science - Posted On:2025-07-02 17:00:01 Source: arstechnica
Type Ia supernovae are critical tools in astronomy, since they all appear to explode with the same intensity, allowing us to use their brightness as a measure of distance. The distance measures they've given us have been critical to tracking the expansion of the Universe, which led to the recognition that there's some sort of dark energy hastening the Universe's expansion. Yet there are ongoing arguments over exactly how these events are triggered.
There's widespread agreement that type Ia supernovae are the explosions of white dwarf stars. Normally, these stars are composed primarily of moderately heavy elements like carbon and oxygen, and lack the mass to trigger additional fusion. But if some additional material is added, the white dwarf can reach a critical mass and reignite a runaway fusion reaction, blowing the star apart. But the source of the additional mass has been somewhat controversial.
But there's an additional hypothesis that doesn't require as much mass: a relatively small explosion on a white dwarf's surface can compress the interior enough to restart fusion in stars that haven't yet reached a critical mass. Now, observations of the remains of a supernova provide some evidence of the existence of these so-called "double detonation" supernovae.
Air Pollution Linked To Lung Cancer-Driving DNA Mutations, Study Finds
science - Posted On:2025-07-02 13:00:00 Source: slashdot
Air pollution has been linked to a swathe of lung cancer-driving DNA mutations, in a study of people diagnosed with the disease despite never having smoked tobacco. From a report: The findings from an investigation into cancer patients around the world helps explain why those who have never smoked make up a rising proportion of people developing the cancer, a trend the researchers called an "urgent and growing global problem." Prof Ludmil Alexandrov, a senior author on the study at the University of California in San Diego, said researchers had observed the "problematic trend" but had not understood the cause. "Our research shows that air pollution is strongly associated with the same types of DNA mutations we typically associate with smoking," he said. The scientists analyzed the entire genetic code of lung tumors removed from 871 never-smokers in Europe, North America, Africa and Asia as part of the Sherlock-Lung study. They found that the higher the levels of air pollution in a region, the more cancer-driving and cancer-promoting mutations were present in residents' tumors. Fine-particulate air pollution was in particular linked to mutations in the TP53 gene. These have previously been associated with tobacco smoking. Read more of this story at Slashdot.
Pentagon may put SpaceX at the center of a sensor-to-shooter targeting network
Science - Posted On:2025-07-01 18:15:01 Source: arstechnica
The Trump administration plans to cancel a fleet of orbiting data relay satellites managed by the Space Development Agency and replace it with a secretive network that, so far, relies primarily on SpaceX's Starlink Internet constellation, according to budget documents.
The move prompted questions from lawmakers during a Senate hearing on the Space Force's budget last week. While details of the Pentagon's plan remain secret, the White House proposal would commit $277 million in funding to kick off a new program called "pLEO SATCOM" or "MILNET."
The funding line for a proliferated low-Earth orbit satellite communications network hasn't appeared in a Pentagon budget before, but plans for MILNET already exist in a different form. Meanwhile, the budget proposal for fiscal year 2026 would eliminate funding for a new tranche of data relay satellites from the Space Development Agency. The pLEO SATCOM or MILNET program would replace them, providing crucial support for the Trump administration's proposed Golden Dome missile defense shield.
NIH-Funded Science Must Now Be Free To Read Instantly
science - Posted On:2025-07-01 10:45:00 Source: slashdot
Starting today, researchers funded by the US National Institutes of Health (NIH) will be required to make their scientific papers available to read for free as soon as they are published in a peer-reviewed journal. That's according to the agency's latest public-access policy, aimed at making federally funded research accessible to taxpayers. From a report: Established under former US president Joe Biden, the policy was originally set to take effect on 31 December for all US agencies, but the administration of Biden's successor, Donald Trump, has accelerated its implementation for the NIH, a move that has surprised some scholars. That's because, although the Trump team has declared itself a defender of taxpayer dollars, it has also targeted programmes and research projects focused on equity and inclusion for elimination. And one of the policy's main goals is to ensure equitable access to federally funded research. The move means that universities will have less time to advise their researchers on how to comply with the policy, says Peter Suber, director of the Harvard Open Access Project in Cambridge, Massachusetts. There is usually "some confusion or even some non-compliance after a new policy takes effect, but I think universities will eventually get on top of that," he says. Read more of this story at Slashdot.
'Space Is Hard. There Is No Excuse For Pretending It's Easy'
science - Posted On:2025-07-01 03:15:00 Source: slashdot
"For-profit companies are pushing the narrative that they can do space inexpensively," writes Slashdot reader RUs1729 in response to an opinion piece from SpaceNews. "Their track record reveals otherwise: cutting corners won't do it for the foreseeable future." Here's an excerpt from the article, written by Robert N. Eberhart: The headlines in the space industry over the past month have delivered a sobering reminder: space is not forgiving, and certainly not friendly to overpromising entrepreneurs. From iSpace's second failed lunar landing attempt (making them 0 for 2) to SpaceX's ongoing Starship test flight setbacks -- amid a backdrop of exploding prototypes and shifting goalposts -- the evidence is mounting that the commercialization of space is not progressing in the triumphant arc that press releases might suggest. This isn't just a series of flukes. It points to a structural, strategic and cultural problem in how we talk about innovation, cost and success in space today. Let's be blunt: 50 years ago, we did this. We sent humans to the moon, not once but repeatedly, and brought them back. With less computational power than your phone, using analog systems and slide rules, we achieved feats of incredible precision, reliability and coordination. Today's failures, even when dressed up as "learning opportunities," raises the obvious question: Why are we struggling to do now what we once achieved decades ago with far more complexity and far less technology? Until very recently, the failure rate of private lunar exploration efforts underscored this reality. Over the past two decades, not a single private mission had fully succeeded -- until last March when Firefly Aerospace's Blue Ghost lander touched down on the moon. It marked the first fully successful soft landing by a private company. That mission deserves real credit. But that credit comes with important context: It took two decades of false starts, crashes and incomplete landings -- from Space IL's Beresheet to iSpace's Hakuto-R and Astrobotic's Peregrine -- before even one private firm delivered on the promise of lunar access. The prevailing industry answer -- "we need to innovate for lower cost" -- rings hollow. What's happening now isn't innovation; it's aspiration masquerading as disruption... "This is not a call for a retreat to Cold War models or Apollo-era budgets," writes Eberhart, in closing. "It's a call for seriousness. If we're truly entering a new space age, then it needs to be built on sound engineering, transparent economics and meaningful technical leadership -- not PR strategy. Let's stop pretending that burning money in orbit is a business model." "The dream of a sustainable, entrepreneurial space ecosystem is still alive. But it won't happen unless we stop celebrating hype and start demanding results. Until then, the real innovation we need is not in spacecraft -- it's in accountability." Robert N. Eberhart, PhD, is an associate professor of management and the faculty director of the Ahlers Center for International Business at the Knauss School of Business of University of San Diego. He is the author of several academic publications and books. He is also part of Oxford University's Smart Space Initiative and contributed to Berkeley's Space Sciences Laboratory. Before his academic career, Prof. Eberhart founded and ran a successful company in Japan. Read more of this story at Slashdot.
Norwegian Lotto Mistakenly Told Thousands They Were Filthy Rich After Math Error
science - Posted On:2025-06-30 21:00:01 Source: slashdot
Thousands of Norwegians briefly believed they had won massive Eurojackpot prizes after a manual coding error by Norsk Tipping mistakenly multiplied winnings by 100 instead of dividing. The Register reports: Eurojackpot, a pan-European lottery launched in 2012, holds two draws per week, and its jackpots start at about $12 million with a rollover cap of $141 million. Norsk Tipping, Norway's Eurojackpot administrator, admitted on Friday that a "manual error" it its conversion process from Eurocents to Norwegian kroner multiplied amounts by 100 instead of dividing them. As a result, "thousands" of players were briefly shown jackpots far higher than their actual winnings before the mistake was caught, but no incorrect payouts were made. Norsk Tipping didn't disclose how large the false jackpots were, but math suggests the improper amounts were 10,000x times higher. Regardless, it seems like a lot of people thought they were big winners, based on what the company's now-former CEO, Tonje Sagstuen, said on Saturday. "I have received many messages from people who had managed to make plans for holidays, buying an apartment or renovating before they realized that the amount was wrong," Sagstuen said in a statement. "To them I can only say: Sorry!" The incorrect prize amounts were visible on the Norsk Tipping website only briefly on Friday, but the CEO still resigned over the weekend following the incident. While one of the Norsk Tipping press releases regarding the incident described it as "not a technical error," it still appears someone fat-fingered a bit of data entry. The company said it will nonetheless be investigating how such a mistake could have happened "to prevent something similar from happening again." Read more of this story at Slashdot.
A mammoth tusk boomerang from Poland is 40,000 years old
Science - Posted On:2025-06-30 19:30:00 Source: arstechnica
A boomerang carved from a mammoth tusk is one of the oldest in the world, and it may be even older than archaeologists originally thought, according to a recent round of radiocarbon dating.
Archaeologists unearthed the mammoth-tusk boomerang in Poland’s Oblazowa Cave in the 1990s, and they originally dated it to around 18,000 years old, which made it one of the world’s oldest intact boomerangs. But according to recent analysis by University of Bologna researcher Sahra Talamo and her colleagues, the boomerang may have been made around 40,000 years ago. If they’re right, it offers tantalizing clues about how people lived on the harsh tundra of what’s now Poland during the last Ice Age.
The mammoth-tusk boomerang is about 72 centimeters long, gently curved, and shaped so that one end is slightly more rounded than the other. It still bears scratches and scuffs from the mammoth’s life, along with fine, parallel grooves that mark where some ancient craftsperson shaped and smoothed the boomerang. On the rounded end, a series of diagonal marks would have made the weapon easier to grip. It’s smoothed and worn from frequent handling: the last traces of the life of some Paleolithic hunter.
Research roundup: 6 cool science stories we almost missed
Science - Posted On:2025-06-30 17:30:01 Source: arstechnica
It's a regrettable reality that there is never enough time to cover all the interesting scientific stories we come across each month. In the past, we've featured year-end roundups of cool science stories we (almost) missed. This year, we're experimenting with a monthly collection. June's list includes the final results from the Muon g-2 experiment, re-creating the recipe for Egyptian blue, embedding coded messages in ice bubbles, and why cats seem to have a marked preference for sleeping on their left sides.
Artists in ancient Egypt were particularly fond of the color known as Egyptian blue—deemed the world's oldest synthetic pigment—since it was a cheap substitute for pricier materials like lapis lazuli or turquoise. But archaeologists have puzzled over exactly how it was made, particularly given the wide range of hues, from deep blue to gray or green. That knowledge had long been forgotten. However, scientists at Washington State University have finally succeeded in recreating the recipe, according to a paper published in the journal npj Heritage Science.
The interdisciplinary team came up with 12 different potential recipes using varying percentages of silicon dioxide, copper, calcium, and sodium carbonate. They heated the samples to 1,000° Celsius (about what ancient artists could have achieved), varying the time between one and 11 hours. They also cooled the samples at different rates. Then they analyzed the samples using microscopy and other modern techniques and compared them to the Egyptian blue on actual Egyptian artifacts to find the best match.
Microsoft's New AI Tool Outperforms Doctors 4-to-1 in Diagnostic Accuracy
science - Posted On:2025-06-30 13:30:01 Source: slashdot
Microsoft's new AI diagnostic system achieved 80% accuracy in diagnosing patients compared to 20% for human doctors, while reducing costs by 20%, according to company research published Monday. The MAI Diagnostic Orchestrator queries multiple leading AI models including OpenAI's GPT, Google's Gemini, Anthropic's Claude, Meta's Llama, and xAI's Grok in what the company describes as a "chain-of-debate style" approach. The system was tested against 304 case studies from the New England Journal of Medicine using Microsoft's Sequential Diagnosis Benchmark, which breaks down each case into step-by-step diagnostic processes that mirror how human physicians work. Microsoft CEO of AI Mustafa Suleyman called the development "a genuine step toward medical superintelligence." Read more of this story at Slashdot.
UV-C Light Kills Nearly Everything - Except This Unusual Organism
science - Posted On:2025-06-30 07:45:00 Source: slashdot
"Earth's ozone layer blocks the Sun's shortest wave radiation, called UV-C, which is so damaging to cells in high doses that it's a go-to sterilizer in hospitals," writes Slashdot reader sciencehabit. "UV-C is such a killer, in fact, that scientists have questioned whether life can survive on worlds that lack an ozone layer, such as Mars or distant exoplanets. "But research published this month in Astrobiology suggests one hardy lichen, a hybrid organism made of algae and fungi, may have cracked the UV-C code with a built-in sunscreen, despite never experiencing these rays in its long evolutionary history." Science magazine explains: When scientists brought a sample of the species, the common desert dweller Clavascidium lacinulatum, back to the lab, graduate student Tejinder Singh put the lichen through the wringer. First, Singh dehydrated the lichen, to make sure it couldn't grow back in real time and mask any UV damage. Then he placed the lichen a few centimeters under a UV lamp and blasted it with radiation. The lichen seemed just fine. So Singh purchased the most powerful UV-C lamp he could find online, capable of sending out 20 times more radiation than the amount expected on Mars. When he tested the lamp on the most radiation-resistant life form on Earth, the bacterium Deinococcus radiodurans, it died in less than a minute. After 3 months—likely the highest amount of UV-C radiation ever tested on an organism—Singh pulled the sample so he could finish his master's thesis in time. About half of the lichen's algal cells had survived. Then, when the team ground up and cultured part of the surviving lichen, about half of its algal cells sprouted new, green colonies after 2 weeks, showing it maintained the ability to reproduce. The species may provide a blueprint for surviving on Mars or exoplanets, which don't have an ozone layer to protect them. Read more of this story at Slashdot.
UK Scientists Plan to Construct Synthetic Human Genetic Material From Scratch
science - Posted On:2025-06-29 22:45:00 Source: slashdot
"Researchers are embarking on an ambitious project to construct human genetic material from scratch," reports the Guardian, "to learn more about how DNA works and pave the way for the next generation of medical therapies." Scientists on the Synthetic Human Genome (SynHG) project will spend the next five years developing the tools and knowhow to build long sections of human genetic code in the lab. These will be inserted into living cells to understand how the code operates. Armed with the insights, scientists hope to devise radical new therapies for the treatment of diseases. Among the possibilities are living cells that are resistant to immune attack or particular viruses, which could be transplanted into patients with autoimmune diseases or with liver damage from chronic viral infections. "The information gained from synthesising human genomes may be directly useful in generating treatments for almost any disease," said Prof Jason Chin, who is leading the project at the MRC's Laboratory of Molecular Biology (LMB) in Cambridge... For the SynHG project, researchers will start by making sections of a human chromosome and testing them in human skin cells. The project involves teams from the universities of Cambridge, Kent, Manchester, Oxford and Imperial College London... Embedded in the project is a parallel research effort into the social and ethical issues that arise from making genomes in the laboratory, led by Prof Joy Zhang at the University of Kent. "We're a little way off having anything tangible that can be used as a therapy, but this is the time to start the discussion on what we want to see and what we don't want to see," said Dr Julian Sale, a group leader at the LMB. Read more of this story at Slashdot.
Blue Origin Just Launched Six More Passengers to the Edge of Space
science - Posted On:2025-06-29 15:00:00 Source: slashdot
Just four weeks after an early June flight to the edge of space, Blue Origin has again carried six more passengers there and back again, reports CBS News, noting that the 10-minute ride was Blue Origin's 13th flight "out of the discernible atmosphere." The New Shepard capsule's stubby single-stage booster roared to life just after 9:38 a.m. EDT, throttled up to full thrust and smoothly climbed away from Blue Origin's launch site near Van Horn, Texas. The hydrogen-fueled BE-3 engine powering the New Shepard fired for about two-and-a-half minutes, accelerating the spacecraft to just under three times the speed of sound. The capsule then separated from the booster and continued coasting upward along its up-and-down trajectory. At that point, the passengers — Allie and Carl Kuehner, Leland Larson, Freddie Rescigno Jr., Jim Sitkin and Owolabi Salis, the first Nigerian to fly in space — began enjoying about three minutes of weightlessness. Free to unstrap and float about the cabin, the passengers were able to take in the view through the largest windows in any operational spacecraft as the ship climbed to an altitude of just above 65 miles. That's about three miles higher than the internationally recognized boundary between the discernible atmosphere and space. The capsule then began falling back to Earth and the passengers returned to their seats for the descent to touchdown. The reusable booster, meanwhile, made its own return to the launch site, dropping tail first to a rocket-powered touchdown... The company has now launched 74 passengers, including Bezos' wife Lauren S�nchez, and four who have flown twice. By April nearly 120 civilians had already travelled to the edge of space, CBS News reported earlier — while Virgin Galactic is expected to resume flights next year. You can replay the webcast of the mission on Blue Origin's YouTube channel. Read more of this story at Slashdot.
Just How Much Space Data Will the Rubin Observatory Collect?
science - Posted On:2025-06-29 11:45:00 Source: slashdot
In its first 10 hours the Rubin space telescope found 2,104 never-before-seen asteroids in our solar system. And Gizmodo reports the data went directly to the International Astronomical Union's Minor Planet Center (MPC), which "plays an essential role in the early detection and monitoring of asteroids that threaten Earth." The MPC has spent years preparing for the deluge of data from Rubin, ramping up its software to process massive amounts of observations. When the first round officially came flooding in on Monday, it was "nerve-racking and exciting simultaneously," Matthew Payne, MPC director, told Gizmodo. But Space.com explains how extraordinary that is. "There are approximately a million known asteroids in our cosmic neighborhood; over the next few years, Rubin could very well hike that figure up to five million." "This is five times more than all the astronomers in the world discovered during the last 200 years since the discovery of the first asteroid," Željko Ivezi�, Deputy Director of Rubin's Legacy Survey of Space and Time, said during the conference. "We can outdo two centuries of effort in just a couple of years...." The plan is for Rubin to capture such massive, high-resolution images of the southern sky once every three nights for at least the next 10 years. You can therefore consider it to be a super-fast, super-efficient and super-thorough cosmic imager. Indeed, those qualities are perfect for spotting some of the smallest details trailing through the space around our planet: asteroids. "We make movies of the night sky to see two things: objects that move and objects that change brightness," Ivezi� said. "Objects that move come in two flavors. Stars in our galaxy move, and they move slowly. Much faster objects are asteroids...." [I]t's tremendously difficult to record an asteroid at all. "Asteroids, they disappear after you get one picture of them," Ivezi� said, calling Rubin's ability to image small objects orbiting the sun "unprecedented." Space.com notes that the ten million galaxies in its first image are just 0.05% of around 20 billion galaxies that Rubin will have imaged by the end of its 10-year "Legacy Survey of Space and Time" investigating dark energy. In fact, in its first year of regular operations, the Observation "will collect more data than all previous optical observatories combined," reports Earth.com. That torrent of information — petabytes of images and catalogs — will be processed in near-real time. Alerts will be issued to the worldwide astronomy community within 60 seconds of any detected change in the sky. By democratizing access to its enormous dataset, Rubin Observatory will empower both professionals and citizen scientists. This will foster discoveries that range from mapping the structure of the Milky Way to refining the rate at which the universe is expanding. Reuters explains just how much data is being generated: The number of alerts the telescope will send every night is equivalent to the inboxes of 83,000 people. It's impossible for someone to look at that one by one," said astrophysicist Francisco Foster. "We're going to have to use artificial intelligence tools." And New Atlas shares some of the "first look" videos released by the Observatory, including one titled The Cosmic Treasure Chest and another on the Trifid and Lagoon Nebulae (which Space.com describe as clouds of gas and dust condensing to birth new stars). Read more of this story at Slashdot.