Archives 2024

Uber Rating: How to check your Uber rating and why it can be important in booking a cab
Uber Rating: How to check your Uber rating and why it can be important in booking a cab

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If you are an Uber rider, you must be aware of how the rating system works. But little do people know that drivers also rate passangers. Ever wondered if that forgotten water bottle earned you a one-star Uber review? Or whether your stellar conversation with the driver bumped you up to five?
All Uber users can access a breakdown of their average rating in the Uber app’s Privacy Center, where they will get to see how many drivers have given them a stellar 5-star rating, how many handed out the dreaded single star, and everything in between.Here we’ll tell you how you can uncover the mysteries of Uber rating system and how it can be important for boking a ride.
To check ratings breakdown in the app:

  • In the settings menu, tap privacy and then Privacy Center.
  • In the Privacy Center, swipe to the right and click on the “would you like to see a summary of how you use Uber” tile.
  • Scroll down to the “browse your data” section and tap on “View my ratings” to see the breakdown.
  • In addition to viewing your ratings, users can also review their past trip information, payment details, control marketing preferences and more in the Privacy Center.

Why ratings are important
Just like you check a driver’s rating before making a decision to ride with him, drivers also check user rating. We TOI tech team checked it with a few drivers and found that some drivers do look at the riders’ rating before accepting the trip.
“I check the rating before accepting the trip. If the rating of a passanger is low, I avoid taking a trip,” a driver told one of the members of TOI tech team.
Other drivers claimed that they don’t look at rating before accepting the trip and make decision on the basis of how much they are making from a trip.
How to improve your rating?
Both riders and drivers have the ability to rate one to five stars on a trip. The rating is the average of last 500 trips. If you want to help improve your rating, as per Uber, drivers have shared some of the top reasons they hand out fewer stars:

  • Drivers shouldn’t have to clean up after you so make sure to take trash and any other belongings with you.
  • Drivers value their time and they shouldn’t have to wait for you which means users should be ready to go when the driver arrives. Uber provides a 5-minute waiting time, after that that charges are applied on per minute basis.
  • Just like any other person, drivers also expect respect.
  • Drivers also say that they have consistently cited door slams as a reason why they deduct stars.



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Realme Teases New Smartphone With Periscope Camera; Tipped to Be Realme 12 Pro+
Realme Set to Announce New Phone in India on January 3, Could Be Realme 12 Series

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Realme is gearing up for a host of new smartphone launches in 2024. Most recently, the Chinese electronics manufacturer debuted the Realme C67 5G in India last month, with a 4G variant of the handset also following suit. Now, Realme India has confirmed that it would share a new update on an upcoming phone soon. It is speculated that company’s next smartphone launch in the country could be the Realme 12 series or the Realme GT 5 Pro, which was unveiled in China in December.

Realme India shared an update New Year’s morning on X (formerly Twitter), teasing an upcoming smartphone launch. “Stay tuned for the real update,” the post read, marking January 3, 7.30 AM IST for a possible launch date reveal for an unnamed handset. While the company did not share any details or teaser images of a device in the post, it invited other users to guess what the update was about.

It has been speculated that the update post could be alluding to the upcoming launch of the Realme 12 Pro and Realme 12 Pro+. The two phones were recently spotted on the Telecommunications and Digital Government Regulatory Authority (TDRA) website, suggesting an imminent launch. The Realme 12 series handsets were reportedly listed on the TDRA website with model numbers RMX3842 and RMX3840, respectively. The listing confirmed the monikers for the smartphones and indicated 5G connectivity on the handsets.

The Realme 12 Pro and Realme 12 Pro+ were earlier also spotted on the Bureau of Indian Standards (BIS) website, hinting at an upcoming India launch. The high-end Pro+ model was also reportedly spotted on Indonesia’s SDPPI certification site.

It’s worth noting that Realme has not officially announced the 12 series yet. The company has, however, teased a new flagship smartphone with a periscope camera. Realme posted a teaser on X last week, hinting at the launch of a new smartphone with enhanced zoom capabilities in the country. The phone is speculated to be the Realme 12 Pro+.

Tipster Abhishek Yadav (@yabhishekhd) had reposted the teaser image and claimed that the phone would be Realme 12 Pro+ and would debut by the end of January or in February. The Redmi 12 Pro+ is also tipped to be powered by a Qualcomm Snapdragon 7 series chipset, most likely the Snapdragon 7s Gen 2 SoC.

The latest Redmi update referring to a January 3 announcement could also be related to the Realme GT 5 Pro. The handset launched in China on December 7, packed with flagship specs like Qualcomm Snapdragon 8 Gen 3 processor, a 1.5K resolution display with 144Hz refresh rate and up to 4,500 nits of peak brightness, and a triple rear camera unit led by a 50-megapixel primary Sony LYT-808 sensor. The Realme GT 5 Pro starts at CNY 3,298 (roughly Rs. 40,000) for the base 12GB RAM + 256GB variant. The company has not yet confirmed an Indian launch timeline for the phone.


Realme might not want the Mini Capsule to be the defining feature of the Realme C55, but will it end up being one of the phone’s most talked-about hardware specifications? We discuss this on Orbital, the Gadgets 360 podcast. Orbital is available on Spotify, Gaana, JioSaavn, Google Podcasts, Apple Podcasts, Amazon Music and wherever you get your podcasts.
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Poco M6 5G With MediaTek Dimensity 6100+ SoC, 5,000mAh Battery Launched in India: Price, Specifications
Poco X6 Series, Poco M6 4G Design Renders, Colour Options Leaked; Camera Details Tipped

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Poco X6 series is confirmed to debut in India soon with a base Poco X6 and a Poco X6 Pro model. The phones have officially been teased ahead of their launch. They have previously been reported to be listed on certification sites. A new report now shows leaked renders of the handsets which show their design and colour options. The report also details similar features of a purported Poco M6 4G model and has suggested some of its key launch specifications.

A 91Mobiles report shared the design renders and colour options of the upcoming Poco X6 models. The Poco X6 Pro is seen in black, grey and yellow colour options, the last of which appears to have a lychee-like faux-leather finish at the back. The base Poco X6, on the other hand, appears with black, blue and white shades. The white colourway is seen sporting a marble-like finish on the back panel. 

poco x6 series 91M inline pocox6

Poco X6 Pro (above), Poco X6 leaked renders
Photo Credit: 91Mobiles

 

The leaked design renders of the Poco X6 phones suggest that both handsets will carry 64-megapixel primary rear cameras. The report adds that the models will likely come with up to 12GB of RAM and 512GB of onboard storage. According to the report, the base Poco X6 is expected to be a rebadged version of the Redmi Note 13 Pro 5G, while the Poco X6 Pro could be a rebranded Redmi K70E.

The report also mentions the Poco M6 4G model, which is likely to be a rebranded Redmi Note 13 Pro 4G and is also expected to feature a 64-megapixel main back camera. The phone is not likely to launch in China but could debut in select global markets, the report notes. It is seen in black, blue and purple colour options. 

Meanwhile, the Poco X6 series has officially been confirmed to launch in India soon. The company has not announced the exact launch date but the lineup is likely to be unveiled in January. The models are confirmed to debut the MediaTek Dimensity 8300 Ultra SoC in Indian markets.


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Steam’s Best of 2023 Reveals Its Highest-Selling and Most-Played Games of the Past Year
Steam’s Best of 2023 Reveals Its Highest-Selling and Most-Played Games of the Past Year

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Valve has unveiled its annual ‘Best of 2023′ list on Steam, revealing which titles dominated sales on PC. The titles haven’t been numerically ranked, but have been grouped into tiers — Platinum, Gold, Silver, and Bronze — based on data collected from January 1 through December 15, 2023. The Top 12 category is populated by both free-to-play multiplayer games and the biggest launches, with the award-winning Baldur’s Gate 3, Starfield, Cyberpunk 2077, and Hogwarts Legacy emerging as the best-selling titles. Call of Duty: Modern Warfare 3, which was disliked by both fans and critics alike, also made it to higher echelons, thanks to a dedicated fanbase wanting to experience its multiplayer segment.

The usual suspects like Counter-Strike 2, PUBG: Battlegrounds, Apex Legends, Dota 2, and Destiny 2 also made it to the Platinum rank — the last of them is getting a new expansion, ‘The Final Shape,’ in June, this year. Meanwhile, the Gold tier contains some absolute bangers like the Resident Evil 4 remake, Red Dead Redemption 2, and Elden Ring, for which the last-reported sales number was 20 million copies across all platforms. Its popularity was highly instrumental in plunking Armored Core VI: Fires of Rubicon, a lesser-known FromSoftware franchise, among the top 24 best-selling games on the platform. Even FIFA 23 from last year made the cut, which shouldn’t be surprising considering its follow-up EA Sports FC 24 launched mid-year.

In addition to an overall Top-Sellers field, Steam has additional sections for New Releases by gross revenue, Most Played, Early Access purchases, and more. Multiplatform games that were received poorly seem to be the centre of attention among the latest releases, with Star Wars Jedi: Survivor and Payday 3 emerging on top, with the latter being criticised for lack of content. As you’d expect, multiplayer games held the highest player count (above 300,000 minimum), though some single-player affairs like Goose Goose Duck and Hogwarts Legacy charted alongside Baldur’s Gate 3, which at one point, peaked at over 800,000 concurrent players on Steam. Developer Larian Studios only anticipated 100,000, given the game had been out for nearly three years in early access. At the time of writing, over 176,000 concurrent players are logged into the expansive RPG, which is placed fourth among the most-played games on the platform.

2023 was also a great year for studios to test out their games in early access and gain feedback on them. The ocean exploration and fishing game from Mintrocket, Dave the Diver, was among the favourites, even turning out to be one of the most played games on the Steam Deck. While it’s only natural to expect less graphically intensive games like Vampire Survivor and Half-Life on there, somehow Starfield made it to the top despite its lack of optimisation causing heavy stutters in crowded areas like New Atlantis and the Wild West-themed Akila. Beat Saber and The Elder Scrolls V: Skyrim VR emerged among the favourites in virtual reality gaming, along with Half-Life: Alyx, pitting you in a vicious fight against the alien Combines.

Currently, Steam also has its annual Winter Sale going on, bringing steep discounts on new and returning games. It runs until January 5 at 10:30pm IST.


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India's scientific Odyssey in 2024: To space with ISRO and more - a year of bold exploration
India’s scientific Odyssey in 2024: To space with ISRO and more – a year of bold exploration

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India gears up for a stellar 2024 in science, from space missions and cutting-edge satellites by ISRO to ambitious research stations in Antarctica, the Arctic and more.

Story: In the coming year, India is embarking on ambitious scientific endeavors, ranging from ISRO looking to send humans into space and other agencies looking to go undersea. To start it all on a positive note, the Indian Space Research Organisation (ISRO) has just launched the X-Ray Polarimeter Satellite (XPoSat) on January 1, 2024 aiming to unlock the mysteries of X-rays and delve into the enigmatic world of black holes.

But that’s not all – the Aditya-L1 mission satellite will be inserted at the Lagrange Point-1 on January 6, providing an uninterrupted view of the sun for five years. Additionally, the NISAR satellite, a joint project by NASA and ISRO, will be launched to study climate change, making it the most expensive earth imaging satellite ever made, according to a PTI report.

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Recapping the achievements of the past year, India successfully launched the Chandrayaan-3 mission, soft-landing near the moon’s south pole. Looking ahead, two unmanned missions under the “Gaganyaan” project are planned, paving the way for an Indian to journey into space in 2025.

Samudrayaan mission

Marking a significant milestone in deep-ocean exploration, India’s “Samudrayaan mission” schedules a phased descent. Phase 1 targets 500 meters in March, paving the way for Phase 2’s ambitious 6,000-meter goal. The mission’s centerpiece, the Matsya 6000, is a three-person submersible capable of sustained operation for 12-16 hours. Its 96-hour oxygen supply and advanced technological capabilities promise unprecedented access to the ocean’s deepest secrets.

On the commercial front, private space companies like Skyroot Aerospace and Agnikul Cosmos are gearing up for their first commercial launches in 2024, marking a significant milestone in India’s space exploration.

Commercial Space Ventures

Beyond space exploration, Indian startups are making waves – Pixxel plans to launch a constellation of 24 satellites by 2025, while Agnikul Cosmos is preparing for a test flight of its 3D-printed “Agnibaan” rocket.

India’s Global Scientific Footprint

The government has also approved participation in major international science projects, including the Laser Interferometer Gravitational-Wave Observatory (LIGO) and the Indo-US collaborative Fermilab initiative. The National Quantum Mission, aimed at advancing quantum technologies, has been given the green light with an estimated cost of over 6,000 crore in the next eight years.

In other exciting developments, India announced plans for a new research station, “Maitri-II,” in Antarctica, set to start operations in 2029. The country is also expanding its presence in the Arctic with a winter expedition to the Himadri research station.

While these scientific endeavors promise a bright future, the year 2023 saw some unexpected changes, including the shift of Kiren Rijiju to Earth Sciences and the abrupt resignation of the Department of Science and Technology Secretary Srivari Chandrasekhar. The Indian Science Congress, usually inaugurated by the prime minister, has been put on hold following disputes related to the 109th edition organized by the Indian Science Congress Association (ISCA).

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US Chief Justice casts a wary eye on the uses of artificial intelligence in courts
US Chief Justice casts a wary eye on the uses of artificial intelligence in courts

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Chief Justice John Roberts on Sunday turned his focus to the promise, and shortcomings, of artificial intelligence in the federal courts, in an annual report that made no mention of Supreme Court ethics or legal controversies involving Donald Trump.

Describing artificial intelligence as the “latest technological frontier,” Roberts discussed the pros and cons of computer-generated content in the legal profession. His remarks come just a few days after the latest instance of AI-generated fake legal citations making their way into official court records, in a case involving ex-Trump lawyer Michael Cohen.

“Always a bad idea,” Roberts wrote in his year-end report, noting that “any use of AI requires caution and humility.”

At the same time, though, the chief justice acknowledged that AI can make it much easier for people without much money to access the courts. “These tools have the welcome potential to smooth out any mismatch between available resources and urgent needs in our court system,” Roberts wrote.

The report came at the end of a year in which a series of stories questioned the ethical practices of the justices and the court responded to critics by adopting its first code of conduct. Many of those stories focused on Justice Clarence Thomas and his failure to disclose travel, other hospitality and additional financial ties with wealthy conservative donors including Harlan Crow and the Koch brothers. But Justices Samuel Alito and Sonia Sotomayor also have been under scrutiny.

The country also is entering an the beginning of an election year that seems likely to enmesh the court in some way in the ongoing criminal cases against Trump and efforts to keep the Republican former president off the 2024 ballot.

Along with his eight colleagues, Roberts almost never discusses cases that are before the Supreme Court or seem likely to get there. In past reports, he has advocated for enhanced security and salary increases for federal judges, praised judges and their aides for dealing with the coronavirus pandemic and highlighted other aspects of technological changes in the courts.

Roberts once famously compared judges to umpires who call balls and strikes, but don’t make the rules. In his latest report, he turned to a different sport, tennis, to make the point that technology won’t soon replace judges.

At many tennis tournaments, optical technology, rather than human line judges, now determines “whether 130 mile per hour serves are in or out. These decisions involve precision to the millimeter. And there is no discretion; the ball either did or did not hit the line. By contrast, legal determinations often involve gray areas that still require application of human judgment,” Roberts wrote.

Looking ahead warily to the growing use of artificial intelligence in the courts, Roberts wrote: “I predict that human judges will be around for a while. But with equal confidence I predict that judicial work — particularly at the trial level — will be significantly affected by AI.”

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Google Pixel 8 Pro: 6 AI-powered features in Google Pixel 8 Pro
Google Pixel 8 Pro: 6 AI-powered features in Google Pixel 8 Pro

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Google launched its most refined Pixel smartphones – Pixel 8 Pro and Pixel 8 – this year. With the phones, especially the pricier Pixel 8 Pro, the company went all in with maximising the use of AI and machine learning features via a smartphone. Apart from being a pocket-sized AI powerhouse, it is also packed with excellent features that elevate the photography game to a whole new level.
The Google Pixel 8 Pro is powered by the Google Tensor G3 chipset that takes all the load of advanced AI and ML capabilities. You can also read the review of the Google Pixel 8 Pro. Here are the top six AI-powered features that set the Pixel 8 Pro apart:
Magic Editor
This superpowered version of Magic Eraser allows users to move objects around, change the colour of the sky and sea, add clouds and even apply fancy stylised effects to enhance a photo without the need of advanced tools like Photoshop.
Magic Audio Eraser
This feature identifies background noise in videos, allowing users to remove unwanted sounds with a swipe. It’s a handy tool for those situations where the wind obscures voice during commentary.
Best Take
This feature changes a subject’s face in a group photo by selecting an option made available from expressions generated from other images.
Recorder with Summarise
The Recorder app, exclusive to Pixel phones, offers one of the best recording and transcription experiences among any voice recorder app on the Google Play Store. The Pixel 8 and Pixel 8 Pro use the Tensor G3 to AI-generated summaries of recordings in brief bullet points.
Video Boost
When users record a video, the phone stores it as a temporary video file. Video Boost uses this file to make a boosted video. Users can save a video to the cloud and Google will use AI tools to enhance the video by means of colour corrections, contrast, brightness, etc and saves it back to the users’ phones.
Smart Reply in Gboard
The Pixel 8 Pro is starting to get Gemini Nano LLM that powers Smart Reply in Gboard as a developer preview. The on-device AI model saves you time by suggesting high-quality responses with conversational awareness.



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After dramatic twists, AI in 2023 goes mainstream; India sets user safety, privacy, guardrails
After dramatic twists, AI in 2023 goes mainstream; India sets user safety, privacy, guardrails

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India enacted new laws on data privacy and storage as it moved to a higher gear to safeguard users and define the compliance framework for BigTech in 2023 when technology galloped at an unprecedented pace.

From excitement and awe around Artificial Intelligence (AI) to the virality of OpenAI’s ChatGPT and India’s crackdown on deepfakes to New Delhi’s determined moves on digital sovereignty, dramatic twists and turns in the tech landscape defined an eventful 2023. The spotlight was clearly on the social media platforms and BigTech.

India’s resolve to safeguard netizens from new kinds of user harms emerging in the digital space was clear, as the government moved decisively to craft regulations and laws.

It crafted a future-ready framework that would not just protect digital personal data but also ensure an open, safe and trusted internet backed by tighter accountability for digital and social media platforms operating in India.

The government talked tough with social media platforms after several ‘deepfake’ videos targeting leading actors, including Rashmika Mandanna, went viral, sparking public outrage and raising concerns over the weaponisation of technology for creating doctored content and harmful narratives.

It also asked platforms to act decisively on deepfakes and align their terms of use and community guidelines as per the IT rules and current laws.

Further, the government made it clear that any compliance failure will be dealt with strictly and evoke legal consequences.

Globally, macroeconomic woes and growth challenges kept BigTech on the edge as companies tightened their belt and indeed their purse strings and resorted to mass downsizing at the start of 2023.

Social media space continued to buzz with action amid the rising appeal of shareable, bite-sized short-form videos and the popularity of apps and memes to suit every occasion.

Elon Musk’s social media platform Twitter was rebranded as X in July 2023, and in one swift move, the familiar blue bird logo officially retired.

Meta launched Twitter-rival app Threads, which scored an instant hit with millions of downloads but lost steam in the weeks that followed.

In January, the government set up three grievances appellate committees to address users’ complaints against social media and other internet-based platforms.

In August, Parliament approved the Digital Personal Data Protection Bill (DPDP) aimed at safeguarding the digital personal data of 1.4 billion citizens and underlining India’s digital sovereignty.

The freshly minted law will arm individuals with greater control over their data while allowing companies to transfer users’ data abroad for processing, except to territories restricted by the Centre through notification.

It also gives the government power to seek information from firms and issue directions to block content.

The law envisages the establishment of the Data Protection Board of India, tasked with monitoring compliance, inquiring into breaches, imposing penalties, and directing remedial or mitigation measures in case of data breach.

2023 was also a year when governments across the world moved to formulate rules around content accountability and confronted ethical questions as Artificial Intelligence went mainstream, holding out both the promise of a transformative future and fears of a dystopian society plagued with misinformation, AI-laced weapons, and job losses.

As machines demonstrated impressive capabilities of reasoning and human-like decisions, AI advances rivalled sci-fi movie scripts complete with doomsday prophecies.

The most powerful faces of the global tech industry, including OpenAI CEO Sam Altman, joined the chorus of voices flagging the risk of extinction from AI on par with nuclear war and pandemics as they exhorted policymakers to move with caution.

Altman, 38, fended off his share of boardroom hi-drama as he was fired, then reinstated, in a five-day epic battle for control of a company that is at the forefront of AI.

Back home, with 830 million internet users in the world’s largest ‘digitally connected democracy’ governed by a two-decades-old IT Act that lacks teeth to deal with sophisticated forms of user harm (doxxing, cyber stalking, and online trolling), the government initiated stakeholder dialogues to formulate draft ‘Digital India Act’.

The draft Bill is likely to spell out norms for emerging technologies, big tech platforms and firms, moot different obligations for various classes of intermediaries, say, e-commerce, search engines, gaming, and tighten the accountability of digital platforms in the era of rampant misinformation, deepfakes and new forms of user harms.

The bill — to be legislated after the 2024 elections and formation of the new government — is widely expected to take into account online offences, including gaslighting, cat-fishing, cryptojacking, astroturfing, doxxing, transmission of misinformation, stalking or harassment over the internet, deepfake, and cyber-mob attacks, encoding them into the list of user harms.

The bill is unlikely to have hardcoded immunity provisions for social media companies this time around and instead, the Center will notify whether any class of intermediary is eligible to claim exemptions from third-party digital content.

There has been a raging debate globally, and in India, on whether online intermediaries should be entitled to ‘safe harbour’ provisions as a ‘free pass’. The regulatory overhaul – in the works – may instead do away with such default provisions to keep the sweeping power of platforms under check.

During 2023, possibilities of AI harm galvanised policymakers globally.

The US and UK opened new chapters in AI safety as nations came together for urgent conversations on the future of AI and how to maximise benefits and mitigate risks.

In December, the Global Partnership on AI, an alliance of 29 members, unanimously adopted the New Delhi declaration, pledging their commitment to a collaborative approach for AI applications that benefit people and create a global governance framework for safe and trusted AI.

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Stay safe on WhatsApp: 10 tips to avoid avoid WhatsApp scams
Stay safe on WhatsApp: 10 tips to avoid avoid WhatsApp scams

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WhatsApp is a popular messaging platform used by billions worldwide, but it’s not immune to scams. Scammers often target unsuspecting users through various tactics to steal personal information, money, or even spread malware. Here are some essential tips to stay safe on WhatsApp and avoid falling victim to scams:
1. Be wary of unfamiliar numbers: Don’t respond to messages from unknown numbers, especially those with international prefixes or suspicious-looking digits. If you receive a message from someone you don’t know, proceed with caution.
2. Watch out for phishing attempts: Scammers often send messages disguised as legitimate companies or organizations, like banks, delivery services, or even government agencies. They might use logos, official-looking language, and urgency to trick you into clicking on malicious links or sharing personal information. Always double-check the sender’s details and the legitimacy of the message before taking any action.
3. Think before you click: Never click on suspicious links or attachments in WhatsApp messages, even if they come from someone you know. These links could download malware onto your device or lead you to phishing websites designed to steal your information.
4. Be cautious about sharing personal information: Don’t share sensitive information like passwords, bank account details, or credit card numbers over WhatsApp. Scammers can use this information to steal your money or identity.
5. Don’t fall for promises of quick money or rewards: If someone promises you easy money or rewards in exchange for something, it’s likely a scam. Be wary of messages offering investment opportunities, lottery winnings, or other “too good to be true” deals.
6. Use two-factor authentication: Enable two-factor authentication on your WhatsApp account to add an extra layer of security. This means that you’ll need to enter a code sent to your phone in addition to your password to log in to your account.
7. Report suspicious activity: If you receive a suspicious message or encounter a scam attempt, report it to WhatsApp immediately. You can do this by forwarding the message to the number +44 7598 505694 or by tapping on the “Report” option in the chat.
8. Keep your WhatsApp app updated: Make sure you’re using the latest version of the WhatsApp app to benefit from the latest security features and bug fixes.
9. Educate yourself: Stay informed about the latest WhatsApp scams by reading news articles and blog posts. The more you know about the tactics scammers use, the better equipped you’ll be to protect yourself.
10. Trust your gut: If something feels off about a message or a person you’re talking to on WhatsApp, trust your instincts and don’t engage. It’s always better to be safe than sorry.



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PSLV-C58 XPoSat Mission launch: 10 things to know about this successful ISRO space odyssey
PSLV-C58 XPoSat Mission launch: 10 things to know about this successful ISRO space odyssey

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In yet another proud moment for India, the Indian Space Research Organisation (ISRO) has powered another amazing mission to a successful conclusion. Dubbed the PSLV-C58 XPoSat Mission, ISRO launched the rocket and got the satellite into place exactly where it was required. While the XPoSat satellite is the most important part of the entire mission, all the hard work involved in boosting it into space in the correct orbit depended on just one thing – the PSLV-C58 rocket system, which has not been just successful, it is also very cheap when compared to other rocket systems from the US space agency, the National Aeronautics Space Administration (NASA). This success comes quickly on the heels of ISRO having successfully launched two historic missions in 2023 – the Chandrayaan-3 mission and Aditya-L1 mission.

1. C58 XPoSat Mission lifted off at 09:10 IST on Monday, the first day of the new calendar year 2024, from the Satish Dhawan Space Centre in Sriharikota. Notably, this was the 60th launch of PSLV going as far back as 1993. Significantly, most of the missions have been successfully completed.

2. The Polar Satellite Launch Vehicle (PSLV) in its C58 mission, placed the XPoSat satellite into a 650 Km Low Earth Orbit. The 44.4-metre tall rocket lifted off from this spaceport situated about 135 km east of Chennai.

3. Not just that, as indicated by former ISRO Chairman G Madhavan Nair, ISRO is also successfully competing against fierce competition of billionaire Elon Musk-led Space X in the commercial launch segment as is clear from its payloads.

4. So, what is XPoSat? Known as the X-ray Polarimeter Satellite, this is the first dedicated scientific satellite from ISRO to carry out research in space-based polarisation measurements of X-ray emission from celestial sources.

5. XPoSat has 2 scientific payloads: The first one is POLIX. It is an X-ray Polarimeter for astronomical observations made of a collimator, a scatterer and 4 X-ray proportional counter detectors that surround the scatterer.

6. POLIX is expected to observe about 40 bright astronomical sources of different categories during the planned lifetime of XPoSat mission of about 5 years.

7. The 2nd XPoSat scientific payload is XSPECT. This is an X-ray SPECtroscopy and Timing payload. XSPECT will observe several types of sources viz X-ray pulsars, blackhole binaries, low-magnetic field neutron star (NS) in LMXBs, AGNs and Magnetars.

8. The XPoSat mission objectives include measuring the polarisation of X-rays in the energy band 8-30 keV emanating from about 50 potential cosmic sources through Thomson Scattering by the POLIX payload.

9. Another one of XPoSat mission objectives is to carry out long-term spectral and temporal studies of cosmic X-ray sources in the energy band 0.8-15keV by the XSPECT payload; and to carry out polarisation and spectroscopic measurements of X-ray emissions from cosmic sources by the POLIX and XSPECT payloads, respectively, in the common energy band.

10. XPoSat mission scientific goals: Study the distribution of magnetic field, geometric anisotropies, alignment with respect to the line of sight, nature of accelerators in galactic cosmic X-Ray sources. This includes amazing entities like pulsars, black holes, low-magnetic field neutron stars (NS) in LMXBs, AGNs and Magnetars.

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