alternative_right shares a report from Phys.org: Monitoring changes in water temperature and pressure at the seafloor can improve understanding of ocean circulation, climate, and natural hazards such as tsunamis. In recent years, scientists have begun gathering submarine measurements via an existing infrastructure network that spans millions of kilometers around the planet: the undersea fiber-optic telecommunications cables that provide us with amenities like Internet and phone service. Without interfering with their original purpose, the cables can be used as sensors to measure small variations in the light signals that run through them so that scientists can learn more about the sea. Meichen Liu and colleagues recently developed a new instrument, consisting of a receiver and a microwave intensity modulator placed at a shore station, that facilitates the approach. Their work is published in Geophysical Research Letters.

Transcontinental fiber-optic cables are divided into subsections by repeaters, instruments positioned every 50 to 100 kilometers that boost information-carrying light signals so that they remain strong on the journey to their destination. At each repeater, an instrument called a fiber Bragg grating reflects a small amount of light back to the previous repeater to monitor the integrity of the cable. By observing and timing these reflections, the new instrument measures the changes in the time it takes for the light to travel between repeaters. These changes convey information about how the surrounding water changes the shape of the cable, and the researchers used that information to infer properties such as daily and weekly water temperature and tide patterns.

Perplexity CEO Aravind Srinivas warned young entrepreneurs that tech giants will "copy anything that's good" during a talk at Y Combinator's AI Startup School, telling founders they must "live with that fear." Srinivas said that companies raising tens of billions need to justify capital expenditures and search for new revenue streams.

Perplexity pioneered web-crawling chatbots when it launched its answer engine in December 2022, but Google's Bard added internet-crawling three months later, followed by ChatGPT in May 2023 and Anthropic's Claude in March 2025. The competition has extended to browsers, with Perplexity launching its Comet browser on July 9 and Reuters reporting that OpenAI is developing a web browser to challenge Google Chrome. Perplexity's communications head Jesse Dwyer said larger companies will "drown your voice."

A team of Japanese researchers has set a new world record for internet speed, transmitting data at 125,000 gigabytes per second over 1,120 miles using a new type of 19-core optical fiber. "That's about 4 million times the average internet speed in the U.S. and would allow you to download the entire Internet Archive in less than four minutes," notes Live Science. It's also "more than twice the previous world record of 50,250 Gbps, previously set by a different team of scientists in 2024." From the report: To achieve this new speed -- which has not been independently verified -- the team developed a new form of optical fiber to send information at groundbreaking speeds over roughly the distance between New York and Florida. Details about this achievement were presented April 3 at the 48th Optical Fiber Communication Conference in San Francisco, according to a statement from Japan's National Institute of Information and Communications Technology.

The new type of optical fiber is equivalent to 19 standard optical fibers in its data transmission capacity. The new optical fiber is better suited to long-haul transmission than existing cables because the centers of all 19 fibers interact with light in the same way, so they encounter less light fluctuation, which results in less data loss. The new cable squeezes 19 separate fibers into a diameter of five-thousandths of an inch (0.127 millimeters), which is the same thickness as most existing single-fiber cables already in use. This effort means the new cable can transmit more data using existing infrastructure. [...] For this demonstration, the data ran through a transmission system 21 times, finally reaching a data receiver after traveling the equivalent of 1,120 miles.

The advocacy group Free Press on Friday blasted America's Federal Communications Commission chief "for an order that rips net neutrality rules off the books, without any time for public comment, following an unfavorable court ruling," reports the nonprofit progressive news site Common Dreams: A panel from the U.S. Court of Appeals for the 6th Circuit ruled in January that broadband is an "information service" instead of a "telecommunications service" under federal law, and the FCC did not have the authority to prohibit internet service providers (ISPs) from creating online "fast lanes" and blocking or throttling web content... FCC Chair Brendan Carr said in a Friday statement that as part of his "Delete, Delete, Delete" initiative, "we're continuing to clean house at the FCC, working to identify and eliminate rules that no longer serve a purpose, have been on our books for decades, and have no place in the current Code of Federal Regulations...."

Responding in a lengthy statement, Free Press vice president of policy and general counsel Matt Wood said that "the FCC's so-called deletion today is little more than political grandstanding. It's true that the rules in question were first stayed by the 6th Circuit and then struck down by that appellate court — in a poorly reasoned opinion. So today's bookkeeping maneuver changes very little in reality... There's no need to delete currently inoperative rules, much less to announce it in a summer Friday order. The only reason to do that is to score points with broadband monopolies and their lobbyists, who've fought against essential and popular safeguards for the past two decades straight...."

Wood noted that "the appeals process for this case has not even concluded yet, as Free Press and allies sought and got more time to consider our options at the Supreme Court. Today's FCC order doesn't impact either our ability to press the case there or our strategic considerations about whether to do so," he added. "It's little more than a premature housekeeping step..."

The UK has transformed its broadband infrastructure in five years -- with full-fiber coverage jumping from 12% of properties in January 2020 to more than 78% by 2025, according to communications regulator Ofcom and ThinkBroadband data. Northern Ireland leads with 96% of premises in postcodes served with full-fiber connections.

The rollout accelerated after Ofcom's May 2021 regulatory framework gave other providers access to BT's Openreach ducts and poles while promising the company regulatory certainty through a "fair bet" approach that avoided price caps. The framework sparked investment from alternative networks, or "altnets," which increased homes passed from 8.2 million in 2022 to 16.4 million by 2025.

Two Chinese satellites, SJ-25 and SJ-21, have reportedly completed the first autonomous high-altitude orbital docking. "Although unconfirmed, this is thought to be the first orbital refueling at such a height -- the two satellites are currently over 20,000 miles from Earth," reports ExtremeTech. From the report: Orbital refueling is an important component in keeping satellites and space stations in low Earth orbit flying, but any efforts beyond that have been merely speculative until the past few years, when serious efforts from a range of private and national entities have explored its possibilities. China may have gotten ahead of the curve with this latest docking, though, in an impressive world first that raises serious concerns for satellites from nations and entities that align themselves differently from China's goals and ambitions.

In January, a satellite designated SJ-25 was launched "for the verification of satellite fuel replenishment and life extension service technologies," according to the Chinese state-owned designer, Shanghai Academy of Spaceflight Technology (via Ars Technica). Sometime last week, it matched orbits with the SJ-21 satellite, which previously conducted space debris maneuvering tests in 2021 and has remained in a geosynchronous orbit ever since.

Last week, the two satellites matched orbits and seemingly docked together. Analysts believe the newer SJ-25 has likely proven refueling is possible even for geosynchronous satellites without the need for a manned crew to facilitate it. In an effort to prove this, two US Space Force's inspector satellites have positioned themselves in closer orbits to SJ-25 and SJ-21 for improved optics. [...] China continues to suggest these missions are part of a debris clean-up program, though it hasn't publicly made any statements about the recent alleged docking and refueling to celebrate its successes. If it doesn't, the only way we'll know if a refueling maneuver was successful is if the SJ-21 satellite unshackles from its younger sibling and performs fuel-demanding maneuvers that its previously estimated fuel levels shouldn't allow for.

Citigroup spent over $9 billion on technology and communications last year, almost a fifth of total operating expenses and a larger proportion than competitors, as the bank works to fix legacy software systems that have produced costly errors including accidentally wiring more than $900 million to Revlon creditors.

The bank has consolidated 12 international sanctions screening systems into one platform, retired 20 cash equities platforms and launched a replacement, and automated high-risk processes where "fat-finger" errors previously occurred. Recent mistakes included crediting one account with $81 trillion after an employee failed to remove zeros from an electronic form and a copy-paste error that almost missent $6 billion.

A politically motivated hacker breached Columbia University's IT systems, stealing vast amounts of sensitive student and employee data -- including admissions decisions and Social Security numbers. The Record reports: The hacker reportedly provided Bloomberg News with 1.6 gigabytes of data they claimed to have stolen from the university, including information from 2.5 million applications going back decades. The stolen data the outlet reviewed reportedly contains details on whether applicants were rejected or accepted, their citizenship status, their university ID numbers and which academic programs they sought admission to. While the hacker's claims have not been independently verified, Bloomberg said it compared data provided by the hacker to that belonging to eight Columbia applicants seeking admission between 2019 and 2024 and found it matched.

The threat actor reportedly told Bloomberg he was seeking information that would indicate whether the university continues to use affirmative action in admissions despite a 2023 Supreme Court decision prohibiting the practice. The hacker told Bloomberg he obtained 460 gigabytes of data in total -- after spending two months targeting and penetrating increasingly privileged layers of the university's servers -- and said he harvested information about financial aid packages, employee pay and at least 1.8 million Social Security numbers belonging to employees, applicants, students and their family members.

MethaneSAT, an $88 million satellite backed by Jeff Bezos and led by the Environmental Defense Fund to track global methane emissions, has been lost in space after going off course and losing power over Norway. "We're seeing this as a setback, not a failure," Amy Middleton, senior vice president at EDF, told Reuters. "We've made so much progress and so much has been learned that if we hadn't taken this risk, we wouldn't have any of these learnings." Reuters reports: The launch of MethaneSAT in March 2024 was a milestone in a years-long campaign by EDF to hold accountable the more than 120 countries that in 2021 pledged to curb their methane emissions. It also sought to help enforce a further promise from 50 oil and gas companies made at the Dubai COP28 climate summit in December 2023 to eliminate methane and routine gas flaring. [...] While MethaneSAT was not the only project to publish satellite data on methane emissions, its backers said it provided more detail on emissions sources and it partnered with Google to create a publicly-available global map of emissions.

EDF reported the lost satellite to federal agencies including the National Oceanic and Atmospheric Administration, Federal Communications Commission and the U.S. Space Force on Tuesday, it said. Building and launching the satellite cost $88 million, according to the EDF. The organization had received a $100 million grant from the Bezos Earth Fund in 2020 and got other major financial support from Arnold Ventures, the Robertson Foundation and the TED Audacious Project and EDF donors. The project was also partnered with the New Zealand Space Agency. EDF said it had insurance to cover the loss and its engineers were investigating what had happened.

The organization said it would continue to use its resources, including aircraft with methane-detecting spectrometers, to look for methane leaks. It also said it was too early to say whether it would seek to launch another satellite but believed MethaneSAT proved that a highly sensitive instrument "could see total methane emissions, even at low levels, over wide areas."

Laptop Mag, a tech publication that began in 1991 as a print magazine, is shutting down after nearly 35 years. The Verge reports: Laptop Mag has evolved many times over the years. It started as a print publication in 1991, when Bedford Communications launched the Laptop Buyers Guide and Handbook. Laptop Mag was later acquired by TechMedia Network (which is now called Purch) in 2011 and transitioned to digital-only content in 2013. Future PLC, the publisher that owns brands like PC Gamer, Tom's Guide, and TechRadar, acquired Purch -- and Laptop Mag along with it.

"We are incredibly grateful for your dedication, talent, and contributions to Laptop Mag, and we are committed to supporting you throughout this transition," [Faisal Alani, the global brand director at Laptop Mag owner Future PLC] said. Laptop Mag's shutdown follows the closure of long-running tech site AnandTech, which was also owned by Future PLC. It's not clear whether Laptop Mag's archives will be available following the shutdown.

AT&T has launched a new Account Lock feature designed to protect customers from SIM swapping attacks. The security tool, available through the myAT&T app, prevents unauthorized changes to customer accounts including phone number transfers, SIM card changes, billing information updates, device upgrades, and modifications to authorized users.

SIM swapping attacks occur when criminals obtain a victim's phone number through social engineering techniques, then intercept messages and calls to access two-factor authentication codes for sensitive accounts. The attacks have become increasingly common in recent years. AT&T began gradually rolling out Account Lock earlier this year, joining T-Mobile, Verizon, and Google Fi, which already offer similar fraud prevention features.

The FCC will suspend enforcement of rules that would lower prison phone and video call prices until April 1st, 2027. Trump-appointed FCC Chair Brendan Carr said that prisons won't have to comply with the pricing regulations [PDF], reversing plans to implement the caps this year.

The rules would have dropped the price of a 15-minute phone call to 90 cents in larger prisons. Current fees can reach as high as $11.35 for a 15-minute call, which the FCC described in 2024 as "exorbitant." Four states -- Connecticut, California, Minnesota, and Massachusetts -- have made prison calls free. Former President Joe Biden signed the Martha Wright-Reed law in 2023, allowing the FCC to regulate prison call rates. The agency voted to adopt the new rates last year, with rules set to take effect on a staggered basis starting January 1st, 2025.

Carr said the regulations are "leading to negative, unintended consequences" and would make caps "too low" to cover "required safety measures." FCC Commissioner Anna Gomez criticized the delay, stating the Commission "is now stalling, shielding a broken system that inflates costs and rewards kickbacks to correctional facilities."

Encrypted communications provider Proton has joined an antitrust lawsuit against Apple, filing a legal complaint that claims the company's App Store practices harm developers, consumers, and privacy. The Switzerland-based firm joined a group of Korean developers who sued Apple in May rather than filing a separate case.

Proton asked the US District Court for Northern California to require Apple to allow alternative app stores, expose those stores through its own App Store, permit developers to disable Apple's in-app payment system, and provide full access to Apple APIs. The company added a privacy-focused argument to typical antitrust complaints, contending that Apple's pricing model particularly penalizes companies that refuse to harvest user data. Developers of free apps typically sell user data to cover costs, while privacy-focused companies like Proton must charge subscriptions for revenue, making Apple's commission cuts more burdensome.

An anonymous reader shares a report: Sen. Ted Cruz (R-Texas) has a plan for spectrum auctions that could take frequencies away from Wi-Fi and reallocate them for the exclusive use of wireless carriers. The plan would benefit AT&T, which is based in Cruz's home state, along with Verizon and T-Mobile.

Cruz's proposal revives a years-old controversy over whether the entire 6 GHz band should be devoted to Wi-Fi, which can use the large spectrum band for faster speeds than networks that rely solely on the 2.4 and 5 GHz bands. Congress is on the verge of passing legislation that would require spectrum to be auctioned off for full-power, commercially licensed use, and the question is where that spectrum will come from.

When the House of Representatives passed its so-called "One Big Beautiful Bill," it excluded all of the frequencies between 5.925 and 7.125 gigahertz from the planned spectrum auctions. But Cruz's version of the budget reconciliation bill, which is moving quickly toward a final vote, removed the 6 GHz band's protection from spectrum auctions. The Cruz bill is also controversial because it would penalize states that regulate artificial intelligence.

Instead of excluding the 6 GHz band from auctions, Cruz's bill would instead exclude the 7.4-8.4 GHz band used by the military. Under conditions set by the bill, it could be hard for the Commerce Department and Federal Communications Commission to fulfill the Congressional mandate without taking some spectrum away from Wi-Fi.

Designated as a foreign terrorist group by multiple countries, Mexico's Sinaloa drug cartel fiercely defends its transnational organized crime syndicate.

"A hacker working for the Sinaloa drug cartel was able to obtain an FBI official's phone records," reports Reuters, "and use Mexico City's surveillance cameras to help track and kill the agency's informants in 2018, the U.S. Justice Department said in a report issued on Thursday." The incident was disclosed in a Justice Department Inspector General's audit of the FBI's efforts to mitigate the effects of "ubiquitous technical surveillance," a term used to describe the global proliferation of cameras and the thriving trade in vast stores of communications, travel, and location data... The report said the hacker identified an FBI assistant legal attaché at the U.S. Embassy in Mexico City and was able to use the attaché's phone number "to obtain calls made and received, as well as geolocation data."

The report said the hacker also "used Mexico City's camera system to follow the (FBI official) through the city and identify people the (official) met with." The report said "the cartel used that information to intimidate and, in some instances, kill potential sources or cooperating witnesses."

Android 16 will include a new security feature that warns users when their phones connect to fake cell towers designed for surveillance. The "network notification" setting alerts users when devices connect to unencrypted networks or when networks request phone identifiers, helping protect against "stingray" devices that mimic legitimate cell towers to collect data and force phones onto insecure communication protocols.

The Supreme Court ruled Friday that the FCC's Universal Service Fund can continue operating, rejecting claims that the program's funding mechanism violates the Constitution. In a 6-3 decision written by Justice Elena Kagan, the court found that Congress did not exceed its authority when it enacted the 1996 law establishing the fund and that the FCC could delegate administration to a private corporation. The Universal Service Fund subsidizes telecommunications services for low-income consumers, rural health care providers, schools and libraries through fees generally passed on to customers that raise billions of dollars annually.

The program is administered by the Universal Service Administrative Company, a nonprofit the FCC designated to run the fund. Conservative advocacy group Consumers' Research challenged the structure, arguing that "a private company is taxing Americans in amounts that total billions of dollars every year, under penalty of law, without true governmental accountability."

The Fifth Circuit Court of Appeals ruled in favor of Consumers' Research, prompting the FCC to petition the Supreme Court for review. Kagan wrote that Congress "sufficiently guided and constrained the discretion that it lodged with the FCC to implement the universal-service contribution scheme," adding that the FCC "retained all decision-making authority within that sphere." She concluded that "nothing in those arrangements, either separately or together, violates the Constitution." The challengers argued the program violates the "nondelegation doctrine," a conservative legal theory that says Congress has limited powers to delegate its lawmaking authority to the executive branch.

Eight nations have surpassed 50% IPv6 deployment since June 2024, bringing the total number of countries in the majority IPv6 club to 21, according to the Internet Society. Brazil, Guatemala, Hungary, Japan, Mexico, Puerto Rico, Sri Lanka, and Tuvalu all crossed the threshold over the past year.

Tuvalu's adoption coincided with the arrival of Elon Musk's Starlink satellite broadband service, which operates as IPv6-only. The Internet Society's Pulse platform found no IPv6 deployment in the Pacific nation in June 2024, but Starlink now holds 88% market share there and 59% of Tuvalu's internet connections use IPv6.

France moved from third place to tie with India for the global lead at 73% IPv6 deployment. Japan rebounded from 49% to 55%, returning to the 50% club after dropping below the mark in mid-2024. Puerto Rico climbed from 49% to 53%. Thailand appears positioned to join next at 49% deployment, followed by Estonia at 46% and the United Kingdom at 45%.

theodp writes: The job of the future might already be past its prime," writes The Atlantic's Rose Horowitch in The Computer-Science Bubble Is Bursting. "For years, young people seeking a lucrative career were urged to go all in on computer science. From 2005 to 2023, the number of comp-sci majors in the United States quadrupled. All of which makes the latest batch of numbers so startling. This year, enrollment grew by only 0.2 percent nationally, and at many programs, it appears to already be in decline, according to interviews with professors and department chairs. At Stanford, widely considered one of the country's top programs, the number of comp-sci majors has stalled after years of blistering growth. Szymon Rusinkiewicz, the chair of Princeton's computer-science department, told me that, if current trends hold, the cohort of graduating comp-sci majors at Princeton is set to be 25 percent smaller in two years than it is today. The number of Duke students enrolled in introductory computer-science courses has dropped about 20 percent over the past year."

"But if the decline is surprising, the reason for it is fairly straightforward: Young people are responding to a grim job outlook for entry-level coders. In recent years, the tech industry has been roiled by layoffs and hiring freezes. The leading culprit for the slowdown is technology itself. Artificial intelligence has proved to be even more valuable as a writer of computer code than as a writer of words. This means it is ideally suited to replacing the very type of person who built it. A recent Pew study found that Americans think software engineers will be most affected by generative AI. Many young people aren't waiting to find out whether that's true."

Meanwhile, writing in the Communications of the ACM, Orit Hazzan and Avi Salmon ask: Should Universities Raise or Lower Admission Requirements for CS Programs in the Age of GenAI? "This debate raises a key dilemma: should universities raise admission standards for computer science programs to ensure that only highly skilled problem-solvers enter the field, lower them to fill the gaps left by those who now see computer science as obsolete due to GenAI, or restructure them to attract excellent candidates with diverse skill sets who may not have considered computer science prior to the rise of GenAI, but who now, with the intensive GenAI and vibe coding tools supporting programming tasks, may consider entering the field?

Australia's eSafety Commissioner has urged the government to deny YouTube an exemption from upcoming child safety regulations, citing research showing it exposes more children to harmful content than any other platform. YouTube pushed back, calling the commissioner's stance inconsistent with government data and parental feedback. "The quarrel adds an element of uncertainty to the December rollout of a law being watched by governments and tech leaders around the world as Australia seeks to become the first country to fine social media firms if they fail to block users aged under 16," reports Reuters. From the report: The centre-left Labor government of Anthony Albanese has previously said it would give YouTube a waiver, citing the platform's use for education and health. Other social media companies such as Meta's Facebook and Instagram, Snapchat, and TikTok have argued such an exemption would be unfair. eSafety Commissioner Julie Inman Grant said she wrote to the government last week to say there should be no exemptions when the law takes effect. She added that the regulator's research found 37% of children aged 10 to 15 reported seeing harmful content on YouTube -- the most of any social media site. [...]

YouTube, in a blog post, accused Inman Grant of giving inconsistent and contradictory advice, which discounted the government's own research which found 69% of parents considered the video platform suitable for people under 15. "The eSafety commissioner chose to ignore this data, the decision of the Australian Government and other clear evidence from teachers and parents that YouTube is suitable for younger users," wrote Rachel Lord, YouTube's public policy manager for Australia and New Zealand.

Inman Grant, asked about surveys supporting a YouTube exemption, said she was more concerned "about the safety of children and that's always going to surpass any concerns I have about politics or being liked or bringing the public onside". A spokesperson for Communications Minister Anika Wells said the minister was considering the online regulator's advice and her "top priority is making sure the draft rules fulfil the objective of the Act and protect children from the harms of social media."