Tuesday, December 31, 2024
Veteran CNN newsman Aaron Brown, known for 9/11 coverage, dies at 76
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Monday, December 30, 2024
Bihar exam stir intensifies as protesters block trains, roads
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Paul vs. McGregor: Wankhede stadium gears up for a $250mln fight
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Sunday, December 29, 2024
Underwater Krishna-Godavari basin landslide can trigger tsunami: Scientists
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BB 18: Sara Arfeen Khan gets eliminated, show gets top 10 contestants
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Saturday, December 28, 2024
CPM ex-MLA held guilty in 2019 Kerala political murders case
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'Romeo and Juliet' star Olivia Hussey dies of cancer at age 73
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Taylor Swift’s Stella McCartney blazer in spotlight during date with Travis
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Friday, December 27, 2024
Elon Musk: Mars will be called ... just as America was in past centuries
‘Indian Sikh family charged with masquerading as Afghans to claim asylum in Britain’
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India’s development agenda shaped MMS foreign policy
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Thursday, December 26, 2024
In 2012, Manmohan underwent operations, never quite recovered physically
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Wednesday, December 25, 2024
Kabul claims Pak airstrikes killed 46 civilians in Afghanistan
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'Speak in united voice': NDA leaders meet over Congress' Ambedkar attack
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Katra ropeway project: Sangarsh Samiti starts 72hr shutdown, 20 protesters detained
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Know why NFL on Netflix is disaster in making
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Tuesday, December 24, 2024
50+ Merry Christmas wishes and greetings to share joy and cheer of the season
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Monday, December 23, 2024
'Pretend world of Mossad': How Israel weaponized devices in plot against Hezbollah
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Sunday, December 22, 2024
Keanu Reeves response to rumor that Ravens offered him a chance at quarterback
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Saturday, December 21, 2024
Dell CEO to employees overworking: 'I learned long time ago that ...'
7 Indians among those injured in Christmas market car attack in Germany
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Friday, December 20, 2024
Rajasthan tragedy: Man in flames walked 600m seeking help, but people just recorded videos
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All the Taylor Swift songs which hint at a Travis Kelce reference
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India's no.1 chess player faces US visa trouble
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Thursday, December 19, 2024
Man brings Rs 80,000 in coins to court to pay as interim alimony in TN
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Mahomes' $100K Christmas: Rolexes, Louis Vuitton, and lavish gifts for chiefs O-line
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Wednesday, December 18, 2024
Horoscope: Read your today's astrological predictions
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Scientists Develop New Approach to Capture Gravitational Wave Memory from Supernovae
A study published in Physical Review Letters explores a new approach to detecting the gravitational wave memory effect, a phenomenon predicted by Einstein's general relativity. This effect refers to the permanent alteration in the distance between cosmic objects caused by a passing gravitational wave. Scientists suggest that existing gravitational wave observatories could capture this elusive signature, specifically from core-collapse supernovae (CCSN), which occur when massive stars over ten times the Sun's mass collapse and explode.
Core-collapse supernovae generate gravitational waves with unique characteristics due to their changing quadrupole moments during collapse. According to reports, while the amplitude of these waves is lower compared to signals from black hole or neutron star mergers, they provide critical insights into stellar interiors. Unlike electromagnetic signals, which originate from a supernova's surface, gravitational waves emerge from deep within, offering a rare glimpse into the dynamics of a collapsing star.
Challenges of Detecting Supernova Gravitational Waves
Detection of gravitational waves from CCSN has proven difficult due to their lower amplitudes, shorter durations, and complex signatures. Reports state that these waves fall below the sensitivity range of current high-frequency detectors such as advanced LIGO. However, the study indicates that low-frequency gravitational waves from CCSN exhibit a "memory" effect. This effect arises from anisotropic neutrino emissions and matter movement during collapse, leaving a non-zero gravitational disturbance.
As per reports, the research team, led by Colter J. Richardson from the University of Tennessee, analysed three-dimensional simulations of non-rotating CCSN with masses up to 25 solar masses using the CHIMERA model. Their findings revealed a distinct ramp-up in gravitational wave signals characteristic of memory with matched filtering techniques, the team concluded that signals from a 25 solar mass supernova could be detected up to 10 kiloparsecs away, a range accessible by existing observatories.
Potential for Future Research
Richardson highlighted, as per sources, the significance of exploring low-frequency gravitational waves and encouraged further investigations using the study's methodology. Future research may focus on common merger events or improvements in detector sensitivity to refine the detection of memory signals.
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Tuesday, December 17, 2024
Taiwanese artist creates a gun that transforms her tears into 'ice bullets'
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NASA’s InSight Mars Lander Captured with Dust Layers by Mars Reconnaissance Orbiter
NASA's retired InSight Mars lander was recently spotted by the Mars Reconnaissance Orbiter (MRO) in an image taken on October 23, 2024, using its High-Resolution Imaging Science Experiment (HiRISE) camera. The image shows dust build-up on the lander's solar panels, which now match the reddish-brown colour of the Martian surface. Reports suggest this observation continues to provide insights into the movement of dust and wind patterns on Mars.
InSight's Mission and Retirement
The InSight lander, which touched down in November 2018, was central to detecting Marsquakes and studying the planet's crust, mantle, and core. NASA officially ended the mission in December 2022 after the lander stopped communicating due to excessive dust accumulation on its solar panels. Engineers from NASA's Jet Propulsion Laboratory (JPL) in California continued to monitor the lander for any signs of reactivation, hoping Martian winds might clear its panels. However, as per reports, no signals have been received, and listening operations will conclude by the end of this year.
Tracking Dust Movement
The new HiRISE images were captured to monitor how dust and wind alter the Martian surface over time. Ingrid Daubar, a science team member at Brown University, told sources that the images of InSight's location offer crucial data on how dust accumulates and shifts. This information helps researchers understand the Martian dust cycle and wind dynamics, which are vital for future missions.
Surface Changes and Impact Studies
Dust movement not only impacts solar-powered missions but also helps scientists study surface ageing processes. Blast marks left by InSight's landing thrusters, once dark and prominent in 2018, have faded significantly, indicating dust deposition over time. This phenomenon also aids researchers in estimating the age of craters and surface features, as dust gradually erodes their visibility.
Ongoing Role of Mars Reconnaissance Orbiter
The Mars Reconnaissance Orbiter continues to play a key role in observing Mars' surface changes. It monitors both active missions, such as the Perseverance and Curiosity rovers, and inactive ones, including Spirit, Opportunity, and the Phoenix lander. Managed by JPL for NASA's Science Mission Directorate, the orbiter's HiRISE camera remains a vital tool for long-term studies of the Martian environment.
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‘565 children injured or killed by bombs used by activists in Bengal since 1996’
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Monday, December 16, 2024
Trump terms Assad’s fall in Syria ‘unfriendly takeover’ by Turkey
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Sunday, December 15, 2024
Giannis Antetokounmpo channels his inner Kobe Bryant after advancing to NBA Cup finals
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WWE Universe support of inaugural women’s US champion Chelsea Green
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Saturday, December 14, 2024
Spelling Bee faces backlash over inclusion of ‘Womyn’ as an acceptable spelling
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Friday, December 13, 2024
Earth’s Inner Core Might Be Slowing Down and Changing Shape, New Study Reveals
Research indicates that Earth's solid inner core, a metal sphere encased within the molten outer core, could be undergoing changes in both rotation and surface structure. Studies involving seismic waves from earthquakes have revealed that the core's rotation may have slowed, paused or even reversed relative to Earth's surface approximately 15 years ago. New findings presented by John Vidale, a geophysicist at the University of Southern California, during a meeting of the American Geophysical Union suggest that additional changes to the inner core's surface could also be occurring.
Earthquake Waves Reveal Inner Core Dynamics
Insights into the inner core rely on seismic waves generated by earthquakes, as no instrument can directly access Earth's core. According to reports, geophysicists often examine seismic waves originating from the South Sandwich Islands near Antarctica. These waves traverse the Earth, passing through its layers and arriving at recording stations such as those in Alaska. Waveform discrepancies between similar earthquakes occurring at different times indicate changes within the inner core.
Surface Changes and Deformation Hypotheses
Reportedly, Vidale and his team analysed seismic data from around 200 earthquake pairs recorded between 1991 and 2024. Discrepancies in waveforms were observed in recordings from Yellowknife, Canada but not from Fairbanks, Alaska. Vidale attributed these differences to possible deformation of the inner core's outer surface. According to reports, the entire core might be subtly reshaping or localised regions could be swelling or contracting. These changes might be influenced by gravitational interactions with the mantle or material flow within the outer core.
Diverse Perspectives on Core Behavior
The interpretations remain debated. Lianxing Wen, a geophysicist from Stony Brook University, has suggested in a statement that surface changes alone, without rotational differences, might explain these observations. Meanwhile, Xiaodong Song of Peking University emphasised in his statement that both rotational and surface changes could be contributing factors.
Current findings remain limited in their implications for Earth's surface, as stated in reports. Until further research clarifies the processes, the potential impact remains uncertain.
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Elon Musk's mother shares story of the $99 suit Musk wore to his bank job daily
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Thursday, December 12, 2024
Selena Gomez engaged to Benny Blanco: Shows off pricey marquise diamond ring
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Mars Dust Storms May Be Predictable Based on Surface Heating Patterns
New research has indicated a strong connection between warm, sunny days on Mars and the occurrence of dust storms, with nearly 78 percent of storms preceded by increased solar heating, according to a study presented at the annual meeting of the American Geophysical Union in Washington, D.C. The study, led by Heshani Pieris and Paul Hayne of the University of Colorado, Boulder, analysed data from NASA's Mars Reconnaissance Orbiter, revealing patterns that could help predict these atmospheric phenomena.
Insights into Dust Storm Patterns
The researchers investigated data spanning eight Martian years—approximately 15 Earth years—collected by the Mars Climate Sounder instrument. Observations focused on two types of dust storms, categorised as "A" and "C" storms, which primarily originate in the planet's northern hemisphere and travel through Acidalia Planitia and Utopia Planitia. The study found a direct correlation between prolonged surface heating and the emergence of these storms.
In a statement, Pieris highlighted the significant impact dust storms have on Mars missions, noting their tendency to coat solar panels with fine particles, which can disrupt operations. This was exemplified by NASA's Opportunity rover, which was rendered inoperable during a global dust storm.
Potential for Forecasting Dust Storms
Pieris and Hayne's research suggests the possibility of predicting Martian dust storms based on patterns of surface heating. An algorithm developed during the study has shown a 64% confidence level in forecasting "A" and "C" storms, offering a potential tool for managing the risks posed to future crewed missions.
While the study marks progress, as per reports, Hayne pointed out that fundamental questions about dust storm formation remain unanswered, including the factors that allow localised storms to grow into global events. Data from NASA's deactivated Mars Global Surveyor supports the findings, showing that imbalances in solar energy absorption during warmer periods can fuel storm activity.
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Wednesday, December 11, 2024
Taliban minister killed in Kabul suicide bombing in ministry
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Tuesday, December 10, 2024
Musk shares video of Tesla's Optimus Robot achieving another 'feat'. Watch
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INDIA bloc to move SC over EVMs 'manipulation' in Maharashtra polls
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Monday, December 9, 2024
China launches investigation into US' biggest and most-valuable chip company
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Sunday, December 8, 2024
Milwaukee Bucks vs Brooklyn Nets (12/8): How to watch, and more
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Saturday, December 7, 2024
Girl found with hands & feet tied in Sandeshkhali pond, protest erupts
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Friday, December 6, 2024
China Unveils $553M Spaceport with Successful Long March-12 Rocket Launch
China has reportedly launched its latest Long March-12 rocket from the newly established Wenchang Commercial Space Launch Site, marking a significant milestone in its commercial space ambitions. The launch occurred on November 30, 2024, propelling two experimental satellites into orbit. The 62.6-metre rocket is designed to support a growing surge in commercial satellite deployments, as reported by Chinese state media.
Key Features of Long March-12
As per a report by China state media, the two-stage Long March-12 rocket uses advanced kerosene and liquid hydrogen fuels, replacing older hypergolic propellants. According to the Shanghai Academy of Spaceflight Technology, the vehicle can transport 10 tons to low-Earth orbit or six tons to a sun-synchronous orbit at 700 kilometers. In an interview with China Daily, Xie Li, Senior Designer of Long March-12, explained that the rocket is equipped with an automatic ignition-malfunction detection system, which ensures safer launches by performing real-time checks and calculating alternative trajectories in case of anomalies.
With a diameter of 3.8 metres, the rocket's design accommodates four engines for greater fuel storage and payload capacity. Xie Li also noted that the structural material used is 15 percent lighter and 28 percent stronger than alloys in earlier Long March variants.
Significance of Wenchang Commercial Spaceport
As per reports, constructed at a cost of 553 million dollars, the Wenchang Commercial Space Launch Site is strategically located on Hainan Island near the equator, allowing for reduced fuel consumption and increased payload capabilities. Reports indicate the spaceport, operated by Hainan International Commercial Aerospace Launch Co., Ltd., will support up to 16 launches annually per pad.
The coastal location facilitates easier transportation of large rockets by sea and enables efficient recovery of reusable rocket stages from the South China Sea. The site is expected to play a key role in China's plans for commercial megaconstellations, including the Qianfan and Guowang satellite networks.
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Travis Kelce plans to make beau Taylor Swift's 35th birthday 'extra special'
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Thursday, December 5, 2024
Bill Belichick's transition from NFL to college football could end career
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Elon Musk's one of the biggest 'corporate enemy' breaks silence on him
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Wednesday, December 4, 2024
Oppo's 2024 Run Includes Return to the Premium Segment With Find X8, AI, and More
For Oppo, 2024 has been a dream run, with the brand registering the highest growth amongst the top five brands in Q3 2024. As per IDC, Oppo led with launches like A3x, K12x and Reno 12 series in the quarter. After securing the second spot in the top smartphone manufacturers list and beating the likes of Realme, Xiaomi, and Motorola, Oppo has made a comeback to the premium segment. The all-new Find X8 series - Find X8 and Find X8 Pro - attempts to be the feather in the hat for Oppo. Gadgets 360 got to talk to Savio D'Souza, Head of Product Communications, Oppo India, to discuss the new launch and much more.
Smartphone premiumisation in India
We wanted to jump straight to the new Find X8 series, which is a return for Oppo in the premium smartphone segment in India. D'Souza explained how the premiumisation trend has entered the smartphone space with increasing ASP (average selling price).
"Indian consumers increasingly seek top-tier smartphones for communication, productivity, entertainment, and payments. A recent IDC report highlights that the premium segment registered the highest growth of 86% in the July-Sept 2024 quarter. The Find X8 Series addresses this demand with cutting-edge features like AI Summary, AI Reflection Remover, AI LinkBoost, a flagship quad-camera system, and a sleek, lightweight design. The timing couldn't be better for the Find X series to return, as premium innovation is now the need of the hour," he said.
With new launches in the premium segment, the market is becoming aggressive. How does Oppo's new Find X8 series fit into the entire premium price range, where iPhones and Samsungs dominate the segment? "With the Find X8 series, we are redefining what smartphones can achieve. The smartphone combines the best from industry leaders—MediaTek, Google, Hasselblad, and Dolby Vision. The Dimensity 9400 chipset powers exceptional performance, while Google Gemini enhances AI personalisation. Hasselblad Imaging provides pro-level photography, and Dolby Vision delivers stunning display quality. Oppo's proprietary HyperTone Image Engine further optimises photo quality," D'Souza said.
"With Oppo's engineering prowess, we have packed all these powerful aspects into a lightweight and sleek device. Together, these technologies create a smartphone that seamlessly blends innovation, performance, and user-centric features, making the Find X8 Series a standout flagship," he added.
AI to enhance user experience?
When asked about Oppo's AI ambitions, D'Souza said that the company has a strategy set for consumer needs. "This year, we have integrated generative AI across our lineup—features typically reserved for flagship devices. By the end of 2024, we aim to deliver 50 million AI-powered smartphones globally," he said.
Find X8 and Find X8 Pro come with the same camera hardware
On being asked about whether AI alone will be the enabler for consumers to make the switch. D'Souza said, "I believe it's the coming together of hardware, software, and AI that delivers a superior smartphone experience. A good device needs a powerful processor to function efficiently, and AI compliments and, at times, supplements their efforts to elevate the performance."
Giving the Find X8 series example, D'Souza further explained, "The Find X8 Series is engineered by Oppo for high performance, and it integrates exceptional AI-based functionalities across its camera, productivity, and connectivity systems, all optimised by the MediaTek Dimensity 9400 chipset." But he stressed that Oppo has ensured that they are offering the best camera experience, too.
"The Find X8 Series features a path-breaking quad-camera system with dual telephoto cameras and the AI Telescope Zoom further adds to the camera capabilities. It uses powerful AI algorithms with generative AI models to help users zoom into subjects while preserving clarity and accuracy, even at extreme zoom levels such as up to 120x," he added.
After-sales support
The after-sales is the backbone of the smartphone business in India. When asked about the updates on service centres from Oppo and if there is any new offering to be announced for Find X8 series support, D'Souza said, "We are a customer-first brand and believe that a strong after-sales support network is central to delivering a premium user experience. We have revamped our after-sales service model with new-generation service centres. Additionally, the digitally led Oppo Self-Help Assistant, aligned with the Indian Government's 'Right to Repair' framework, enables customers to resolve their smartphone issues without visiting a service centre. A strong validation of our efforts is reflected in the recent Counterpoint Research survey, where Oppo India earned the Number 1 position in customer satisfaction for after-sales."
For the Find X8 series, Oppo announced a host of benefits, like an additional warranty of 365 days on pre-booking till December 2, 2024. The company also introduced 'Refresh Service', where customers can replace screen guards and protective cases twice within the warranty tenure and even get them delivered to their homes.
Oppo is also among a handful of brands that offer an International Warranty Service, which means customers can also get maintenance, repairs, and software upgrades in countries where the device is officially available.
2025 - What's in store?
When asked about Oppo's 2025 plans, and we are in the last month, D'Souza promised some exciting products in the lineup without sharing many details.
"2024 has been a landmark year for Oppo in terms of AI-driven product innovation with the Reno 12 Series, F Series, and now the Find X8 Series. We will continue to introduce new products and technologies to enable 'AI for All'. There is a strong focus on bringing Gen AI features across photography, productivity, and performance parameters, and over 5800 AI-related patents have already been filed by Oppo for image processing, computer vision, speech technology, natural language processing, machine learning, etc. There are exciting launches planned in 2025, and you will hear from us at the right time," he added.
Oppo Find X8 and X8 Pro are now available in India via online and offline channels.
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'Should I call Bishnoi?':Man detained near Salman's shooting location
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'Shot twice, targeted attack': What police said on killing of UnitedHealthcare CEO Brian Thompson
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Tuesday, December 3, 2024
Jamal Adams shares why joining a team dominating everyone was an easy decision
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Indian Ocean Study Reveals Bay of Bengal Defies Ekman’s Wind-Driven Current Theory
A study published in Science Advances has identified a significant anomaly to Vagn Walfrid Ekman's widely-accepted theory on wind-driven ocean currents. Conducted by a team of researchers from NOAA, the Indian National Center for Ocean Information Services and the University of Zagreb, the study focused on the Bay of Bengal in the Indian Ocean. Data spanning several years from a buoy stationed off India's eastern coast was examined, revealing that ocean currents in this region deflect leftward, contradicting the theory's predictions for the Northern Hemisphere.
Ekman's Theory and Its Longstanding Influence
The Ekman theory, developed in 1905 by Swedish oceanographer Vagn Walfrid Ekman, asserts that surface ocean currents are deflected 45 degrees to the right of wind direction in the Northern Hemisphere due to the Coriolis force. Successive layers beneath the surface exhibit similar patterns, forming the Ekman spiral. This mechanism, though robust, assumes idealised conditions, including uniform ocean depth and density. Variations such as those observed in the Bay of Bengal highlight its limitations.
Findings from the Bay of Bengal
As per the study, according to data collected over several years, currents in the Bay of Bengal were found to veer leftward despite prevailing winds, defying Ekman's predictions. This anomaly underscores the need to reassess assumptions about global oceanic patterns. The researchers suggested that local factors, including unique regional wind patterns and oceanic dynamics, could play a significant role.
Implications for Climate Models
It was noted in a statement by the researchers that the findings could influence future climate modelling efforts. If exceptions to Ekman's theory exist in the Bay of Bengal, others might also occur globally, underscoring the need for more detailed oceanographic studies. Discussions have also highlighted the potential deployment of a NASA satellite system to monitor wind and surface currents comprehensively.
This study has brought attention to gaps in understanding wind-driven currents, stressing the importance of revisiting established models as global warming continues to impact ocean behaviour.
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Israel contract: How Google may have been warned about a 'controversial’ project
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Monday, December 2, 2024
John Cena featuring WWE elimination chamber 2025 poster drop sparks fan frenzy
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Sunday, December 1, 2024
Musk backs call for transparency after Kash Patel's appointment
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