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Something unearthly could switch train signals from red to green

Gizmodo

Gizmodo · 1y ago

Something unearthly could switch train signals from red to green

Solar storms and extreme space weather could potentially disrupt train signals, causing delays or safety implications, according to a study published in the journal Space Weather. Researchers discovered that train track circuits are vulnerable to solar storms, with the signals at risk of reversing from red to green and vice versa. The study highlights the need to take space weather hazards seriously, as they pose a rare but significant risk to rail signaling systems. By better understanding space weather, it may be possible to mitigate the risks and make more informed decisions about railway operations during extreme events.

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At TC All Stage Charles Hudson will tell you what investors really see | TechCrunch

TechCrunch · 1m ago

At TC All Stage Charles Hudson will tell you what investors really see | TechCrunch

Charles Hudson, managing partner of Precursor Ventures, will discuss essential pre-seed evaluation signals at TechCrunch All Stage 2025 on July 15 in Boston. Without substantial metrics at this stage, VCs focus on subtle factors, such as founder choices and pitch effectiveness. Hudson will reveal common investor red flags, like mismatched co-founder dynamics or sloppy outreach. His insights, drawn from extensive VC experience, aim to guide founders in understanding the critical, yet often overlooked, signals investors consider.

A new type of geothermal power plant just made the internet a little greener

Wired · 1y ago

A new type of geothermal power plant just made the internet a little greener

A geothermal startup called Fervo has successfully developed a first-of-its-kind geothermal operation in the Nevada desert, known as Project Red. This small but significant project demonstrates a new approach to geothermal power that could utilize the Earth's natural heat anywhere in the world. By drilling into dry rock and creating an artificial hot spring, Fervo's enhanced geothermal system (EGS) generates hot water to drive turbines and produce clean electricity. With the support of Google, Fervo aims to make all of its data centers run on green energy 24/7.

Google’s AI Is Making Traffic Lights More Efficient and Less Annoying

Wired · 1y ago

Google’s AI Is Making Traffic Lights More Efficient and Less Annoying

Google is using AI software to optimize traffic signals in cities worldwide, aiming to reduce emissions from idling vehicles. The project, called Project Green Light, analyzes data from Google Maps users and has led to timing adjustments at 70 intersections. Preliminary results show a reduction of up to 30% in stops and 10% in emissions for 30 million cars per month. Google plans to expand the project to more cities next year. However, some experts argue that more advanced AI and sensor systems that adjust lights in real-time would be more effective.

YouTube is experimenting with red, blue, and green video feeds

The Verge

The Verge · 1y ago

YouTube is experimenting with red, blue, and green video feeds

YouTube is testing a new feature that allows users to filter videos on their home feed by color. Select users on Android and iOS devices can choose between red, blue, or green hues to create a visually cohesive browsing experience. The filtered results appear as a new feed option at the top of the app, with the videos being sorted based on the most prominent colors featured in thumbnails. YouTube has not provided a reason for this feature or a timeline for broader availability. It could be used for aesthetic reasons or as a data collection strategy.

As attacks by Houthi rebels rise, cable operators in Red Sea of trouble

Economic Times

Economic Times · 5d ago

As attacks by Houthi rebels rise, cable operators in Red Sea of trouble

Escalating conflicts in the Red Sea region, primarily led by Yemen’s Houthi rebels, are causing significant disruptions to global subsea cable networks, highlighting the region as an internet kill switch, particularly for India. Cable operators are investing in redundancies, such as backup fibre pairs and sovereign land routes, to prevent outages. The insurance costs and repair challenges are increasing due to regional instability, prompting companies to explore alternative routes like the Gulf European Transit Route.

Why Amazon and Flipkart just got flagged over a simple gadget?

Inshorts · 3m ago

Why Amazon and Flipkart just got flagged over a simple gadget?

The CCPA has issued notices to Amazon, Flipkart, and 11 other platforms for illegally selling walkie-talkies without mandatory approvals. These unlicensed devices, often seen as harmless, could jeopardise national security. This crackdown signals stricter scrutiny ahead for e-commerce players dealing in sensitive tech.

Scale AI valued at $14 billion in Nvidia, Amazon-backed funding round

Economic Times

Economic Times · 1y ago

Scale AI valued at $14 billion in Nvidia, Amazon-backed funding round

AI data startup Scale AI has raised $1 billion in a funding round led by Accel with participation from Nvidia, Amazon, and Meta. This funding values the company at almost $14 billion. Scale AI offers accurately labeled data to train AI models and assists companies like Microsoft and Morgan Stanley in creating and refining datasets. The funding will be used to enhance its data capabilities with enterprise customers, collaborate with the U.S. Department of Defense, and participate in the DEFCON 31 red-teaming event announced by the White House.

Apollo Green Energy plans ₹1,500 crore capex to capitalize on India’s renewables push | Company Business News

Livemint

Livemint · 9m ago

Apollo Green Energy plans ₹1,500 crore capex to capitalize on India’s renewables push | Company Business News

Apollo Group's engineering and construction division, Apollo Green Energy, plans to invest ₹1,500 crore in expanding its capacity and undertaking renewable energy projects for the government and public sector. The company aims to raise capital through an initial public offering in order to fund its expansion plans. Apollo Green Energy has already secured orders worth nearly ₹2,830 crore, primarily for solar projects. The company is optimistic about India's goal of reaching 500 GW of renewable energy capacity by 2030, which could potentially generate projects worth ₹1.25 trillion. Apollo Green Energy aims to increase its portfolio from ₹3,500 crore to ₹10,000 crore next year.

X’s new policy prevents companies from using posts to ‘fine-tune or train’ AI models

The Verge

The Verge · 2m ago

X’s new policy prevents companies from using posts to ‘fine-tune or train’ AI models

X has revised its developer agreement to prohibit using platform content for AI training. This new policy could facilitate AI training deals with third-party companies, similar to Reddit's arrangement with Google. Despite this restriction, X's privacy policy allows third-party "collaborators" to train AI on its data unless users opt out. Notably, X itself uses user data to train its AI model, Grok. These changes come after xAI's acquisition of X.

OpenAI's Sam Altman seeks US government nod for AI chips venture: report

Economic Times

Economic Times · 1y ago

OpenAI's Sam Altman seeks US government nod for AI chips venture: report

OpenAI CEO Sam Altman is seeking approval from the U.S. government for his AI chips venture, which could raise national security and antitrust concerns. Altman has informed potential investors and partners that he needs a green light from Washington to proceed. He has met with Commerce Secretary Gina Raimondo and is working to arrange meetings with other officials. Altman's business plan, which could be partly financed from the Middle East, has attracted interest from investors and chip companies in the U.S., Middle East, and Asia.

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