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NASA Mission to Map Sun’s Protective Bubble Could Help Better Predict Dangerous Space Weather

gizmodo.com Passant Rabie Thu, 18 Sep 2025 15:38:43 +0000

The Sun is an energetic star, constantly radiating energy and pumping streams of charged particles out into space. And while this solar wind can be dangerous in itself, without it, Earth and all the other members of our planetary system would be at constant risk of threats from outer space. Our host star creates a protective bubble called the heliosphere that extends far beyond the orbit of Neptune, shielding the planets from the interstellar medium. Yet though we may owe our existence to this b

Topics: heliosphere imap particles solar space

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Something Weird Is Going on With the Sun, Scientists Find

futurism.com Unknown 2025-09-19 17:05:55

The Sun — usually so predictable — is exhibiting some surprising behavior and that has scientists very intrigued. Astronomers had predicted that our host star was entering a period of relative quiet back in 2008, but NASA scientists have published a new study in The Astrophysical Journal Letters that found that the Sun has instead defied expectations by becoming more active, with increased sunspots and solar flares. "All signs were pointing to the Sun going into a prolonged phase of low activi

Topics: activity cycle scientists solar sun

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The Sun Is Entering a New and Unexpected Active Stage

gizmodo.com Gayoung Lee 2025-09-23 02:35:48

When solar activity reached an all-time low in 2008, astronomers reasonably figured the Sun was entering into a period of historically low activity. They were wrong. New research published September 8 in The Astrophysical Journal Letters suggests that 2008 marked the beginning of a steady increase in solar activity. To be clear, this “reversal” extends beyond the well-known 11-year cycles the Sun typically follows. Specifically, the researchers found a slow uptick in many of the Sun’s key “vita

Topics: 2008 activity solar sun year

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Take a Trip to the Final Frontier With This Year’s Best Astronomy Photography

gizmodo.com Gayoung Lee 2025-09-27 06:00:23

When a comet meets solar winds, its nuclear coma—a bright cloud of gas around its core—reacts vibrantly to our Sun’s solar maximum, leaving a trail of stellar gas and dust across the solar system. Miraculously, the sky above June Lake, California, cleared up for a full 13 minutes for photographer Dan Bartlett to image the comet clearly enough for his photograph, “Comet 12P/Pons-Brooks Taking a Final Bow.” With incredible technological advances, the continuous flow of space photos can sometimes

Topics: category competition eruption image solar

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NASA Scientist Disputes Claim That Mysterious Object Headed Into Solar System Was Sent by Aliens

futurism.com Unknown 2025-09-27 09:14:22

NASA has thrown cold water on Harvard astrophysicist Avi Loeb's theory that interstellar visitor 3I/ATLAS was sent to us by an extraterrestrial civilization — a sobering albeit unsurprising conclusion that just might put the captivating hypothesis to rest once and for all. In early July, astronomers first discovered the object, which was only the third interstellar visitor ever detected in the solar system. Since then, Loeb has advanced the "tantalizing possibility" that 3I/ATLAS was "sent tow

Topics: 3i atlas comet object solar

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How the most home-energy savvy slash their electric bills by 78%

zdnet.com Mike Lock 2025-10-02 22:37:00

Cristi Savin / iStock/ Getty Images Plus Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways Level 4 is the highest level of energy maturity. The most effective cost savers cut their electric bill by four. More than half believe that their home value has increased. Catch it and use it, catch it and sell it, catch it and save it. As much as these may sound like the considerations of a commercial fisherman, it's actually the menu of options available to energy mature

Topics: energy home level power solar

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Solar plus storage is just the start: How the most home-energy savvy slash their electric bills by 78%

zdnet.com Mike Lock 2025-10-04 18:11:27

Cristi Savin / iStock/ Getty Images Plus Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways Level 4 is the highest level of energy maturity. The most effective cost savers cut their electric bill by four. More than half believe that their home value has increased. Catch it and use it, catch it and sell it, catch it and save it. As much as these may sound like the considerations of a commercial fisherman, it's actually the menu of options available to energy mature

Topics: energy home level power solar

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Mysterious Object Headed Into Our Solar System Is Changing Shape, New Image Shows

futurism.com Unknown 2025-10-06 01:15:47

"Even the most fleeting visitors can leave a lasting impact." Astronomers have been racing to get a better look at 3I/ATLAS, a mysterious object screaming into our solar system from far beyond. While there's a broad consensus among experts that the object is a comet, observations by four NASA telescopes have defied expectations, showing that it bears a much higher proportion of carbon dioxide gas than expected. Now, as the BBC reports, new observations by the Gemini South telescope at Cerro P

Topics: 3i atlas dust object solar

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The Download: unnerving AI avatars, and Trump’s climate gift to China

technologyreview.com Rhiannon Williams 2025-10-10 23:10:00

—Rhiannon Williams Earlier this summer, I visited the AI company Synthesia to give it what it needed to create a hyperrealistic AI-generated avatar of me. The company’s avatars are a decent barometer of just how dizzying progress has been in AI over the past few years, so I was curious just how accurately its latest AI model, introduced last month, could replicate me. I found my avatar as unnerving as it is technically impressive. It’s slick enough to pass as a high-definition recording of a

Topics: ai avatar company just solar

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Lunar soil machine developed to build bricks using sunlight

news.ycombinator.com Unknown 2025-10-18 17:24:49

Lunar soil machine developed to build bricks using sunlight by Riko Seibo Tokyo, Japan (SPX) Jul 30, 2025 A Chinese research team has created a prototype machine that transforms moon soil into durable construction bricks using solar energy, marking a critical step toward building lunar structures from local materials. Developed by the Deep Space Exploration Laboratory (DSEL) in Hefei, Anhui province, the system functions as a 3D printing device powered by concentrated solar heat. It em

Topics: bricks construction lunar soil solar

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15-Fold increase in solar thermoelectric generator performance

news.ycombinator.com Xu 2025-10-15 07:58:24

STEG output power enhancement strategies A STEG generates electrical power when there’s a ΔT across its hot and cold sides. The generated power is expressed as38 $${P}_{{STEG}}={\left({S}_{{TEG}}\varDelta T\right)}^{2}\frac{{R}_{L}}{{\left({R}_{L}+R\right)}^{2}}$$ (1) where ${S}_{{TEG}}$ is the effective Seebeck coefficient of the TEG, R is the total electrical resistance between the TEG terminals, and ${R}_{L}$ is the load resistance. For a given TE material, an effective way to increase

Topics: dissipator power solar steg thermal

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Our Best Look Yet at a Solar Flare Reveals the Sun’s Wilder Side

gizmodo.com Gayoung Lee 2025-10-19 18:55:54

It took astronomers a little over a year to analyze the sharpest-ever images of a solar flare. But they’re finally done, and the results are illuminating—literally and figuratively. Last year, NSF’s Daniel K. Inouye Solar Telescope captured a high-resolution image of a solar flare crossed with dark strands of coronal loops. Further analysis revealed that the solar flare was an X-class flare—the most powerful class—in a decay phase. The coronal loop strands averaged around 30 miles (48 kilometer

Topics: coronal flare loops solar sun

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The James Webb Just Found Something Extremely Bizarre About the Mysterious Object Headed Into Our Inner Solar System

futurism.com Unknown 2025-10-21 12:17:37

Our solar system's latest and only third known interstellar visitor is becoming more fascinating by the week. Spotted in early July, the object, dubbed 3I/ATLAS, is widely believed to be a comet. It's traveling so fast that one look at its speed was enough to let astronomers know that it came from untold thousands of light years away. And it may even be older than our entire solar system. Now, the James Webb Space Telescope has turned its mighty eye — specifically, its Near-Infrared Spectrogra

Topics: 3i atlas carbon comet solar

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Mysterious Object Headed for Inner Solar System Has Extremely Unusual Readings, James Webb Finds

futurism.com Unknown 2025-10-22 13:17:37

Our solar system's latest and only third known interstellar visitor is becoming more fascinating by the week. Spotted in early July, the object, dubbed 3I/ATLAS, is widely believed to be a comet. It's traveling so fast that one look at its speed was enough to let astronomers know that it came from untold thousands of light years away. And it may even be older than our entire solar system. Now, the James Webb Space Telescope has turned its mighty eye — specifically, its Near-Infrared Spectrogra

Topics: 3i atlas carbon comet solar

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US‘s spike in electricity use is slowing down a bit

arstechnica.com Unknown 2025-10-25 21:40:17

On Tuesday, the US Energy Information Agency released its latest data on how the US generated electricity during the first six months of 2025. The data suggests the notable surge in power use is flattening out a bit compared to earlier in the year, with the growth in coal use falling along with it. And despite the best efforts of the Trump Administration, the boom in solar power continues, with solar looking poised to pass hydroelectric before the year is out. Growing, but moderating For the l

Topics: coal percent solar use year

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IBM and NASA Develop a Digital Twin of the Sun to Predict Future Solar Storms

wired.com Fernanda González 2025-10-30 00:00:00

The Sun’s most complex mysteries could soon be solved thanks to artificial intelligence. On August 20, IBM and NASA announced the launch of Surya, a foundation model for the sun. Having been trained on large datasets of solar activity, this AI tool aims to deepen humanity’s understanding of solar weather and accurately predict solar flares—bursts of electromagnetic radiation emitted by our star that threaten both astronauts in orbit and communications infrastructure on Earth. Surya was trained

Topics: data model solar sun surya

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US attack on renewables will lead to power crunch that spikes electricity prices

news.ycombinator.com Spencer Kimball 2025-10-29 20:22:36

Witthaya Prasongsin | Moment | Getty Images President Donald Trump's attack on solar and wind projects threatens to raise energy prices for consumers and undermine a stretched electric grid that's already straining to meet rapidly growing demand, renewable energy executives warn. Trump has long said wind power turbines are unattractive and endanger birds, and that solar installations take up too much land. This week, he said his administration will not approve solar and wind projects, the lates

Topics: power projects said solar wind

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Meet Surya, a New AI Model From NASA and IBM That Can Predict Solar Flares

cnet.com See Full Bio 2025-11-02 00:49:36

Today's solar flare forecasting is pretty straightforward. Earth has several instruments pointed at the sun that monitor it, and when a solar flare erupts, NOAA predicts whether it'll hit Earth and reports it via the Space Weather Prediction Center. But NASA and IBM may be able to do this faster and with a little more accuracy thanks to a new artificial intelligence model named Surya. Surya, which is Sanskrit for "Sun," is a 366M-parameter AI model developed to analyze the various cool things t

Topics: earth model nasa solar sun

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Africa Is Buying a Record Number of Chinese Solar Panels

wired.com Zeyi Yang 2025-11-02 15:00:00

While overall sales to African countries are still small compared to these traditional export markets, the Global South appears to be at a turning point in how it thinks about energy. For decades, energy-starved countries largely had one default option when they wanted to add new power supply: import coal and gas. Now, for the first time, solar energy is emerging as the cheaper and greener way forward, so there’s no need to sacrifice the environment for development. Familiar Story What’s happe

Topics: africa countries energy panels solar

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The Download: Ukraine’s Starlink repair shop, and predicting solar storms

technologyreview.com Rhiannon Williams 2025-11-03 05:10:00

Starlink is absolutely critical to Ukraine’s ability to continue in the fight against Russia. It’s how troops in battle zones stay connected with faraway HQs; it’s how many of the drones essential to Ukraine’s survival hit their targets; it’s even how soldiers stay in touch with spouses and children back home. However, Donald Trump’s fickle foreign policy and reports suggesting Elon Musk might remove Ukraine’s access to the services have cast the technology’s future in the country into doubt.

Topics: access nasa solar starlink ukraine

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These little robots are changing the way solar farms are built, saving time and money

cnbc.com Diana Olick 2025-11-05 00:31:33

The data for manual surveying is uploaded into the Civ software, then the operator chooses the area they want to mark and presses go. The robot does the rest, saving both time and money. "Our secret sauce and our core technology is actually in the navigation and the geospatial -- being able to literally mark coordinates within less than a quarter inch, which is very, very difficult in an uneven terrain, outdoor surfaces, and out in the desert," said Tom Yeshurun, CEO of Civ Robotics. CivDot is

Topics: civ field robot said solar

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Meta to add 100MW of solar power from US gear

techcrunch.com Tim De Chant 2025-11-04 22:56:53

Meta signed a deal yesterday with solar developer Silicon Ranch to develop a $100 million, 100-megawatt solar farm in South Carolina. The new renewable installation will power Meta’s planned AI data center in the state, which is expected to cost $800 million. Both the data center and the solar plant are expected to begin operations in 2027. Most of the equipment for the solar farm will be made in the U.S., according to the companies. The new deal is the 18th such agreement signed between Meta

Topics: deal developer meta new solar

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Meta to add 100 MW of solar power from U.S. gear

techcrunch.com Tim De Chant 2025-11-05 10:56:53

Meta signed a deal yesterday with solar developer Silicon Range to develop a $100 million, 100-megawatt solar farm in South Carolina. The new renewable installation will power Meta’s planned AI data center in the state which is expected to cost $800 million. Both the data center and the solar plant are expected to begin operations in 2027. Most of the equipment for the solar farm will be made in the U.S., according to the companies. The new deal is the eighteenth such agreement signed between

Topics: data developer meta new solar

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NASA’s new AI model can predict when a solar storm may strike

technologyreview.com Peter Hall 2025-11-05 20:00:00

Early testing of Surya showed it could predict some solar flares two hours in advance. “It can predict the solar flare’s shape, the position in the sun, the intensity,” says Juan Bernabe-Moreno, an AI researcher at IBM who led the Surya project. Two hours may not be enough to protect against all the impacts a strong flare could have, but every moment counts. IBM claims in a blog post that this can as much as double the warning time currently possible with state-of-the-art methods, though exact r

Topics: ibm says solar sun surya

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IBM and NASA made an open-source AI model for predicting solar weather

engadget.com Unknown 2025-11-05 20:00:13

Last year, the most powerful geomagnetic storm in 20 years hit Earth. It produced stunning aurora displays in parts of the US that are normally too far south to see them. Normally, such storms are a headache for energy providers. In 1989, for example, the Canadian province of Québec suffered a nine-hour blackout following a series of plasma ejections from the Sun. This time around, power companies were better prepared, and in the US and Canada, there weren't significant service disruptions. The

Topics: ibm model moreno nasa solar

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NASA and IBM Unveil AI That Helps Scientists Forecast Solar Storms

gizmodo.com Ellyn Lapointe 2025-11-05 20:00:59

Earlier this year, local and national officials gathered for a first-of-its-kind tabletop exercise to test their readiness for a severe solar storm. The simulation exposed major gaps in scientists’ ability to forecast space weather, which threatens critical infrastructure on Earth and in orbit. On Wednesday, August 20, IBM and NASA unveiled Surya: an open-source AI model that could begin to fill those gaps. Heliophysicists currently rely on complex computer models to monitor and predict the Sun

Topics: ibm lead solar sun surya

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Have solar at home? Supercharge that investment with this other crucial component

zdnet.com Mike Lock 2025-11-11 10:46:53

J Studios/Getty ZDNET's key takeaways Sixty percent of households saw multiple power outages last year Those with solar are most likely to seek whole-home backup Fifty-seven percent of solar users also want a battery for self-supply Get more in-depth ZDNET tech coverage: Add us as a preferred Google source on Chrome and Chromium browsers. Some of today's solar-equipped households are facing a mean case of energy envy. On the plus side, they've cut their monthly electric bills -- in some ca

Topics: battery energy home power solar

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How your solar rooftop became a national security issue

techcrunch.com Connie Loizos 2025-11-12 04:58:45

James Showalter describes a pretty specific if not entirely implausible nightmare scenario. Someone drives up to your house, cracks your Wi-Fi password, and then starts messing with the solar inverter mounted beside your garage. This unassuming gray box converts the direct current from your rooftop panels into the alternating current that powers your home. “You’ve got to have a solar stalker” for this scenario to play out, says Showalter, describing the kind of person who would need to physical

Topics: cisa company eg4 inverters solar

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The Sunlight Budget of Earth

news.ycombinator.com Asimov Press 2025-11-29 09:15:41

By Sam Clamons Editor’s Note: This article contains numerical estimates compiled from various research articles. It was reviewed by three climate experts: Casey Handmer, Paul Reginato, and Jonathan Burbaum. Their notes are recorded in the footnotes. Our full dataset and calculations are available for download. We hope this will be a useful starting point for much deeper discussions. Modern biotechnology is powered by sunlight. Light-gobbling algae, both natural and engineered, are harvested an

Topics: absorbed energy photosynthesis solar sunlight

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Power bill surging? Why you should 'electrify' your home before 2026

zdnet.com Mike Lock 2025-11-30 14:00:23

timyee/Getty ZDNET's key takeaways Seventy-four percent of households expect their electric bill to go up Lack of backup power is the top energy frustration Two-thirds are considering solar or storage investments Neighborhood solar panels blend into the background of the everyday commute. Home batteries might enter our minds during an outage, but then fade when the power returns. Most people don't think about power and electricity unless they're in the middle of a home project or something

Topics: energy home level power solar

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Latest Tech News

NASA Mission to Map Sun’s Protective Bubble Could Help Better Predict Dangerous Space Weather

Something Weird Is Going on With the Sun, Scientists Find

The Sun Is Entering a New and Unexpected Active Stage

Take a Trip to the Final Frontier With This Year’s Best Astronomy Photography

NASA Scientist Disputes Claim That Mysterious Object Headed Into Solar System Was Sent by Aliens

How the most home-energy savvy slash their electric bills by 78%

Solar plus storage is just the start: How the most home-energy savvy slash their electric bills by 78%

Mysterious Object Headed Into Our Solar System Is Changing Shape, New Image Shows

The Download: unnerving AI avatars, and Trump’s climate gift to China

Lunar soil machine developed to build bricks using sunlight

15-Fold increase in solar thermoelectric generator performance

Our Best Look Yet at a Solar Flare Reveals the Sun’s Wilder Side

The James Webb Just Found Something Extremely Bizarre About the Mysterious Object Headed Into Our Inner Solar System

Mysterious Object Headed for Inner Solar System Has Extremely Unusual Readings, James Webb Finds

US‘s spike in electricity use is slowing down a bit

IBM and NASA Develop a Digital Twin of the Sun to Predict Future Solar Storms

US attack on renewables will lead to power crunch that spikes electricity prices

Meet Surya, a New AI Model From NASA and IBM That Can Predict Solar Flares

Africa Is Buying a Record Number of Chinese Solar Panels

The Download: Ukraine’s Starlink repair shop, and predicting solar storms

These little robots are changing the way solar farms are built, saving time and money

Meta to add 100MW of solar power from US gear

Meta to add 100 MW of solar power from U.S. gear

NASA’s new AI model can predict when a solar storm may strike

IBM and NASA made an open-source AI model for predicting solar weather

NASA and IBM Unveil AI That Helps Scientists Forecast Solar Storms

Have solar at home? Supercharge that investment with this other crucial component

How your solar rooftop became a national security issue

The Sunlight Budget of Earth

Power bill surging? Why you should 'electrify' your home before 2026

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