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RisingWave: An Open‑Source Stream‑Processing and Management Platform

news.ycombinator.com Unknown 2025-07-19 23:16:21

🌊 Ride the Wave of Streaming Data. Docs | Benchmarks | Demos RisingWave is a stream processing and management platform designed to offer the simplest and most cost-effective way to process, analyze, and manage real-time event data — with built-in support for the Apache Iceberg™ open table format. It provides both a Postgres-compatible SQL interface and a DataFrame-style Python interface. RisingWave can ingest millions of events per second, continuously join and analyze live streams with histo

Topics: data iceberg risingwave storage time

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Android Phones Can Detect Earthquakes Before the Ground Starts Shaking

gizmodo.com Margherita Bassi 2025-07-23 14:00:20

Since their first implementation in Mexico and Japan, earthquake early-warning (EEW) systems have provided critical advance notice of imminent earthquakes to countless people. Many seismic countries, however, still don’t have the infrastructure necessary to sustain such crucial networks, leaving their populations vulnerable to devastating earthquakes. Researchers in the U.S. and Germany have tested a global earthquake detection and alert system that makes use of a device many people already own

Topics: alerts earthquake earthquakes seismic waves

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Elgato brightens up its Stream Deck and mics with four new colors

theverge.com Andrew Liszewski 2025-07-24 02:05:45

is a senior reporter who’s been covering and reviewing the latest gadgets and tech since 2006, but has loved all things electronic since he was a kid. Elgato has released four new color options for its Stream Deck and other streaming accessories as part of a new Dreamscape collection designed to better match the aesthetic of a studio or gaming room. The devices and accessories have previously typically only been available in white or black, but are now available in forest green, pink petal, wil

Topics: 99 color deck new wave

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Are portable AC units worth it? My verdict after testing one during a heat wave

zdnet.com Maria Diaz 2025-07-30 18:50:51

ZDNET's key takeaways The EcoFlow Wave 3 is a portable air conditioner and heater that costs $1,299 on its own and $2,299 with the add-on battery. This is a portable air conditioner and heater that is more powerful than its predecessor It is also off-grid ready for camping, RVing, and even helping in a pinch. The Wave 3 is pricey, loud in some settings, and is not as efficient in extreme heat, direct sun, or tent camping. $1,099 at Amazon Many parts of the US are sizzling right now, unable t

Topics: air degrees ecoflow heat wave

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Black hole merger challenges our understanding of black hole formation

news.ycombinator.com Gayoung Lee 2025-07-31 17:38:20

Gravitational waves—ripples in space-time caused by violent cosmic events—travel at the speed of light in every direction, eventually fading out like ripples in water. But some events are so destructive and extreme that they create disturbances in spacetime more like powerful waves than small ripples, with enough energy to reach our own detectors here on Earth. Today, the LIGO Collaboration announced the detection of the most colossal black hole merger known to date, the final product of which

Topics: black gravitational hole ligo waves

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Astronomers Detect a Black Hole Merger That’s So Massive It Shouldn’t Exist

gizmodo.com Gayoung Lee 2025-07-31 16:01:09

Gravitational waves—ripples in space-time caused by violent cosmic events—travel at the speed of light in every direction, eventually fading out like ripples in water. But some events are so destructive and extreme that they create disturbances in spacetime more like powerful waves than small ripples, with enough energy to reach our own detectors here on Earth. Today, the LIGO Collaboration announced the detection of the most colossal black hole merger known to date, the final product of which

Topics: black gravitational hole ligo waves

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Using Sound Waves to Put Out Fire: Story of Two George Mason University Students

news.ycombinator.com Unknown 2025-08-02 13:10:25

Imagine fighting a fire without water, foam, or chemicals—just the power of sound. Sounds like something out of a sci-fi flick, right? But back in 2015, two engineering students at George Mason University in Virginia made it a reality. Viet Tran and Seth Robertson, both seniors at the time, built a device that uses low-frequency sound waves to extinguish flames. Their invention, dubbed the “Wave Extinguisher,” caught the world’s attention and sparked a wave of research into acoustic fire supp

Topics: like sound suppression wave waves

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Don't Put Your Takeout Containers in the Microwave. Here's Why

cnet.com See Full Bio 2025-08-03 09:00:00

When hunger and laziness coincide, reheating last night's leftovers in the microwave seems like a great idea. But if you reheat them in the plastic container they came in, you could be ingesting microplastics and harmful chemicals. But is plastic contamination as dangerous as experts say? All signs point to yes. Study after study has shown that the resulting chemical exposure of microplastics could pose significant health risks, and has been linked to increases in medical issues like infertilit

Topics: containers food microwave plastic safe

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Lego’s Transforming Soundwave Actually Makes Some Noise

gizmodo.com James Whitbrook 2025-08-04 14:00:04

Lego’s returning to Cybertron for its latest big set, but with a twist: after giving us the Autobot leader Optimus Prime and one of his most loyal soldiers in Bumblebee over the past few years, now it’s finally the turn of the Decepticons to get their brick-based glory. Except it’s not who you might have expected to get that early honor. This morning Lego revealed that the first Decepticon joining the ranks of the Transformers line is none other than Soundwave himself. It’s a surprise to not se

Topics: brick cassette lego soundwave transformers

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Lego’s first buildable Decepticon Transformer is a talking Soundwave

theverge.com Andrew Liszewski 2025-08-04 18:00:00

is a senior reporter who’s been covering and reviewing the latest gadgets and tech since 2006, but has loved all things electronic since he was a kid. Following buildable versions of Optimus Prime and Bumblebee, Lego’s latest collaboration with Hasbro is also its first Decepticon. The 1,505-piece Soundwave, which is three pieces smaller than Lego’s 1,508-piece Optimus Prime, stands just shy of 13 inches tall and is Lego’s first Transformers set to include a sound brick — but you may have to con

Topics: cassette lego set sound soundwave

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EcoFlow WAVE 3 Portable AC drops to new all-time low (no Prime subscription needed!)

androidauthority.com Unknown 2025-08-08 02:09:04

Summer is here, and I am definitely starting to feel it. Especially during my weekend adventures, when I am out there in the sun pretty much all day. If you’re looking for a portable AC, the EcoFlow WAVE 3 is among the best ones out there, but it is also really pricey. If you’ve been wanting one, today is your chance to get it at a $450 discount, bringing the price down to a new record low. Buy the EcoFlow WAVE 3 Portable AC for $849 ($450 off) This offer is available from Amazon. The great thi

Topics: ac deal ecoflow great wave

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Best Window Air Conditioners 2025: 10 Picks to Cool You for Years

wired.com Julian Chokkattu 2025-08-11 02:47:35

The EcoFlow Wave 3 is not for the weak. I mean that literally, as it weighs nearly 56 pounds when attached to its 22-pound lithium battery. At 6,100 BTU cooling capacity, the Wave 3 is designed for a car, RV, tent, boat, or any space that might be either temporary or off the grid. The Wave 3 also has a slightly higher 6,800 BTU heat mode. I have a van and and a dog, so for me, the Wave 3 offers a specific type of assurance on hot or cold days. Portable doesn’t mean you can move it around a lot.

Topics: camping car degrees ecoflow wave

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Beachgoers Startled by Rare Cloud That Looks Exactly Like a Giant Tsunami Wave

futurism.com Unknown 2025-08-13 17:15:44

Beachgoers Startled by Rare Cloud That Looks Exactly Like a Giant Tsunami Wave "They look scarier than they really are." Cloud Nein A viral video making the rounds on social media shows beachgoers in Portugal encountering an enormous and unnervingly tsunami-like cloud rolling in. Footage shows an enormous, foreboding wall of dark clouds rapidly approaching a lush beach. It was frightening enough for plenty of beachgoers to pack up their belongings and seek shelter away from the waterfront.

Topics: cloud clouds like roll wave

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Are portable AC units worth it at home? My advice after testing one during a heat wave

zdnet.com Maria Diaz 2025-08-16 16:00:19

ZDNET's key takeaways The EcoFlow Wave 3 is a portable air conditioner and heater that costs $1,299 on its own and $2,299 with the add-on battery. This is a portable air conditioner and heater that is more powerful than its predecessor It is also off-grid ready for camping, RVing, and even helping in a pinch. The Wave 3 is pricey, loud in some settings, and is not as efficient in extreme heat, direct sun, or tent camping. $1,299 at Amazon For Prime Day, the EcoFlow Wave 3 with the battery ad

Topics: air degrees ecoflow heat wave

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‘Death Wish’ Planet Actively Triggers Destructive Flares From Its Host Star

gizmodo.com Passant Rabie 2025-08-18 02:00:29

A young, energetic star has had just about enough of its clingy planet. The pair are mired in a toxic relationship, with the planet sending waves of energy toward the star—and the host star is responding with violent explosions that are destroying its planet over time. Using the European Space Agency’s (ESA) Cheops mission, a team of astronomers from the Netherlands Institute for Radio Astronomy gathered evidence for the first known exoplanet with an apparent death wish. In a paper published We

Topics: energy flares planet star waves

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Are portable AC units viable at home? My verdict after testing one during a heat wave

zdnet.com Maria Diaz 2025-08-23 02:00:15

ZDNET's key takeaways The EcoFlow Wave 3 is a portable air conditioner and heater that costs $1,299 on its own and $1,399 with a battery, a limited-time discount This is a portable air conditioner and heater that is more powerful than its predecessor It is also off-grid ready for camping, RVing, and even helping in a pinch.The Wave 3 is pricey, loud in some settings, and is not as efficient in extreme heat, direct sun, or tent camping. $1,299 at Amazon Many parts of the US are sizzling right

Topics: air degrees heat temperature wave

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My air conditioner broke during a heat wave - and this portable AC saved the day

zdnet.com Maria Diaz 2025-08-24 22:50:55

ZDNET's key takeaways The EcoFlow Wave 3 is a portable air conditioner and heater that costs $1,299 on its own and $1,399 with a battery, a limited-time discount This is a portable air conditioner and heater that is more powerful than its predecessor It is also off-grid ready for camping, RVing, and even helping in a pinch.The Wave 3 is pricey, loud in some settings, and is not as efficient in extreme heat, direct sun, or tent camping. $1,299 at Amazon Many parts of the US are sizzling right

Topics: air degrees heat temperature wave

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Suno snaps up WavTool for its AI music editing tools amid ongoing dispute with music labels

techcrunch.com Lauren Forristal 2025-08-27 02:30:00

Suno, the AI music company currently in a legal battle with music labels, announced on Thursday the acquisition of WavTool, a browser-based AI digital audio workstation (DAW). This acquisition aims to improve Suno’s editing capabilities for songwriters and producers. WavTool, launched in 2023, offers several tools to musicians, such as stem separation, AI audio generation, and an AI music assistant. Suno will integrate WavTool’s technology into its new editing interface, which launched this mon

Topics: ai company music suno wavtool

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Can these $100 Android phones replace my flagship? The result after weeks of testing

zdnet.com Adrian Kingsley-Hughes 2025-08-27 12:53:00

ZDNET's key takeaways Both of these Blackview smartphones retail for under $100 Both handsets have what it takes for tasks such as messaging, taking photos and video, social media, and browsing the web Both benefit form bumping up the virtual RAM to the max. $94.99 at Amazon It's easy to think that you have to drop hundreds -- if not thousands -- of dollars to get a new smartphone. If you want a flagship smartphone from the big brands, then yes, you're going to experience some serious weight

Topics: 8c handsets ram wave zdnet

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Both these Android handsets are under $100

zdnet.com Adrian Kingsley-Hughes 2025-08-27 22:53:00

ZDNET's key takeaways Both of these Blackview smartphones retail for under $100 Both handsets have what it takes for tasks such as messaging, taking photos and video, social media, and browsing the web Both benefit form bumping up the virtual RAM to the max. $94.99 at Amazon It's easy to think that you have to drop hundreds – if not thousands -- of dollars to get a new smartphone. If you want a flagship smartphone from the big brands, then yes, you're going to experience some serious weight r

Topics: 8c handsets ram tests wave

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Star Quakes and Monster Shock Waves

news.ycombinator.com Unknown 2025-09-04 16:46:40

Like the simulation depicting how a neutron star cracks, this one also predicts the characteristics of the resulting flares astronomers might see through telescopes. In the fleeting moments when monster shock waves rip outward and a black hole pulsar forms, telescopes may be able to catch outbursts of radio waves or a combination of X-rays and gamma rays. In short, the simulations performed by Most and colleagues provide a deeper understanding of the physics driving some of the most energetic ev

Topics: black hole neutron star waves

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Google aims to reinvent email with Wave (2009)

news.ycombinator.com John Bowman 2025-09-12 09:02:31

Google Wave's inbox, as seen on the Official Google Blog. ((Courtesy Google)) In May, Google announced Wave, the company's attempt to reinvent internet communication. Brothers Lars and Jens Rasmussen, the Australian creators of Google Maps, have been working on the project for the last two years. On Sept. 30, Google opened its preview of Wave beyond the 6,000 or so software developers who are currently helping to build the service. About 100,000 users can now see what Wave is all about. Google

Topics: email google wave way web

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Trump’s Cuts Threaten Nobel-Winning Observatory That Detected Colliding Black Holes

gizmodo.com Passant Rabie 2025-09-16 22:55:43

Nearly 10 years ago, scientists observed ripples in spacetime created by the collision of two black holes that took place 1.3 billion years ago. The first direct detection of gravitational waves opened up an entirely new way of seeing the universe, allowing us to observe a once invisible side of the cosmos. Today, the ability to track the frequencies produced by the most notable events that shape our surrounding cosmos is at risk due to drastic budget cuts targeting a breakthrough observatory.

Topics: gravitational interferometers ligo observatory waves

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TensorWave deploys AMD Instinct MI355X GPUs in its cloud platform

venturebeat.com Dean Takahashi 2025-09-18 06:30:00

TensorWave, a leader in AMD-powered AI infrastructure solutions, today announced the deployment of AMD Instinct MI355X GPUs in its high-performance cloud platform. As one of the first cloud providers to bring the AMD Instinct MI355X to market, TensorWave enables customers to unlock next-level performance for the most demanding AI workloads—all with unmatched white-glove onboarding and support. The new AMD Instinct MI355X GPU is built on the 4th Gen AMD CDNA architecture and features 288GB of H

Topics: ai amd instinct performance tensorwave

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Chatterbox TTS

news.ycombinator.com Unknown 2025-09-19 15:23:52

Chatterbox TTS _Made with ♥️ by We're excited to introduce Chatterbox, Resemble AI's first production-grade open source TTS model. Licensed under MIT, Chatterbox has been benchmarked against leading closed-source systems like ElevenLabs, and is consistently preferred in side-by-side evaluations. Whether you're working on memes, videos, games, or AI agents, Chatterbox brings your content to life. It's also the first open source TTS model to support emotion exaggeration control, a powerful feat

Topics: chatterbox model tts watermark wav

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Does Apple’s C1 chip mean mmWave 5G is dead?

9to5mac.com Ben Lovejoy 2025-06-04 13:48:50

Apple achieved a major milestone yesterday, when it launched an iPhone with its own in-house modem instead of a Qualcomm one: the C1 chip. This has been a key goal for the company for a great many years for two reasons, so finally ticking the box is a pretty big moment … The twin benefits of the C1 chip As we noted yesterday, ditching a Qualcomm modem for the C1 is a double-win for Apple. First, Qualcomm’s fee structure, which Apple has long considered unfair. When Apple bought modem chips f

Topics: 5g apple chip mmwave modem

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Latest Tech News

RisingWave: An Open‑Source Stream‑Processing and Management Platform

Android Phones Can Detect Earthquakes Before the Ground Starts Shaking

Elgato brightens up its Stream Deck and mics with four new colors

Are portable AC units worth it? My verdict after testing one during a heat wave

Black hole merger challenges our understanding of black hole formation

Astronomers Detect a Black Hole Merger That’s So Massive It Shouldn’t Exist

Using Sound Waves to Put Out Fire: Story of Two George Mason University Students

Don't Put Your Takeout Containers in the Microwave. Here's Why

Lego’s Transforming Soundwave Actually Makes Some Noise

Lego’s first buildable Decepticon Transformer is a talking Soundwave

EcoFlow WAVE 3 Portable AC drops to new all-time low (no Prime subscription needed!)

Best Window Air Conditioners 2025: 10 Picks to Cool You for Years

Beachgoers Startled by Rare Cloud That Looks Exactly Like a Giant Tsunami Wave

Are portable AC units worth it at home? My advice after testing one during a heat wave

‘Death Wish’ Planet Actively Triggers Destructive Flares From Its Host Star

Are portable AC units viable at home? My verdict after testing one during a heat wave

My air conditioner broke during a heat wave - and this portable AC saved the day

Suno snaps up WavTool for its AI music editing tools amid ongoing dispute with music labels

Can these $100 Android phones replace my flagship? The result after weeks of testing

Both these Android handsets are under $100

Star Quakes and Monster Shock Waves

Google aims to reinvent email with Wave (2009)

Trump’s Cuts Threaten Nobel-Winning Observatory That Detected Colliding Black Holes

TensorWave deploys AMD Instinct MI355X GPUs in its cloud platform

Chatterbox TTS

Does Apple’s C1 chip mean mmWave 5G is dead?

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