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Roborock Prime Day deals: Even lower prices for Roborock’s best vacuum cleaners

Summer is here! But as much as we’d like to spend every weekend outdoors and enjoy the warm weather, the one thing that often gets in the way of exciting plans is tedious chores. Roborock has at least some of this busy work taken care of with its new Q Series and Qrevo robot vacuums. Roborock’s current releases, which include the Roborock Q7 M5+, the Q10 S5+, the QV 35A, and the Qrevo S5V, will continue to be available at special introductory prices during Prime Day. Here’s everything you need

Dell Laptop (32GB RAM, 1TB SSD) Now 73% Off, Priced So Low so Don’t Count on It Lasting Till Prime Day

The good folks at Amazon must be getting warmed up for the annual Prime Day blowout, or maybe somebody lit their 4th of July fireworks a little early, because for the second day in a row there is a truly insane Dell laptop deal that’s just dropped out of nowhere. The last one, on the Dell 15 Vostro 3520, took a $2,000 price tag down to just $549. Now it’s the Dell 15 Vostro 3530’s turn in an even bigger deal taking a $2,400 price down to just $650. The Dell Vostro 3530 is the slightly bigger br

RP2350pc Open Source Hardware all in one computer

by OLIMEX Ltd in 6502, apple2, ARM, new product, OSHW, raspberrypi, Retro computers, risc-v Tags: apple2, atmos, computer, education, oric, puldin, raspberry pi, riscv, rp2350 RP2350pc is an Open Source Hardware complete computer with: RP2350B Dual Core ARM/RISCV processor build in 520KB RAM, 8MB PSRAM, 16MB Flash Four USB ports Two UEXT connectors DVI/HDMI output Audio Codec Audio MIC in Audio Headphone Out Audio Amplifire with external speakers SD card LiPo UPS allowing to run on L

This Year the Squirtle Squad Is the Coolest SDCC Merch Around

July is upon us, and in nerd circles that means only one thing: San Diego Comic-Con is nearly here. And if SDCC is nearly here, then so are oodles of exclusive toys, plushies, and other sweet merchandise you can get your mitts on. We’ve already seen a few of the hottest toys at the convention this year, but today it’s Jazwares’ turn to show you something cool. Real cool. io9 has got your exclusive first look at the whole haul of exclusive items Jazwares will have at SDCC this year, bringing tog

Amazon Slashes $2,000 Dell Laptop by 73%, This 4.8-Star Computer Is Practically Free for Early Prime Day

The 4th of July and Prime Day are still a little bit down the road, but the biggest and best Amazon deal on a high-end laptop might have arrived a couple of weeks early. The Dell Vostro 3520, a $2,000 laptop packed with all the speed and power you’ll ever need, is just $549 during this limited-time deal. That’s a 73% discount that’s just come out of nowhere. The Vostro 3520 has a 15.6-inch FHD anti-glare screen, a blazing-fast Intel Core i3 processor, massive 1TB built-in hard drive, 32GB of RA

Roborock Prime Day deals: Affordable and powerful, the Qrevo and Q Series robot vacuums can do it all

Summer is here! But as much as we’d like to spend every weekend outdoors and enjoy the warm weather, the one thing that often gets in the way of exciting plans is tedious chores. Roborock has at least some of this busy work taken care of with its new Q Series and Qrevo robot vacuums. Roborock’s current releases, which include the Roborock Q7 M5+, the Q10 S5+, the QV 35A, and the Qrevo S5V, will continue to be available at special introductory prices during Prime Day. Here’s everything you need

Sequence and first differences together list all positive numbers exactly once

EXAMPLE Sequence reads 1 3 7 12 18 26 35 45..., differences are 2 4 5, 6, 8, 9, 10 ... and the point is that every number not in the sequence itself appears among the differences. This property (together with the fact that both the sequence and the sequence of first differences are increasing) defines the sequence!

nimbme – Nim bare-metal environment

nimbme Nim bare-metal environment for embedded targets. headless mode Actual implemented target: raspberry pi1 / pi zero (bcm2835) General target requirements: at least 4KiB ram at least 20KiB flash 1 UART for terminal 1 hardware timer [cycle counter] software interrupt mechanism features cooperative scheduler (actual simple round-robin scheme / deadline-scheduler planned) code runs under system-mode (armv6) async programming model (requirement: do not block the event loop) easy po

Show HN: I'm an airline pilot – I built interactive graphs/globes of my flights

I am an Airbus A350 Pilot Since 2023, I have been a First Officer on the Airbus A350 with British Airways operating out of London Heathrow. Prior to this, I flew the Airbus A320 family based at Heathrow and Gatwick since 2016. A career highlight has been flying with my father, who is a Captain on the A350 with BA. I joined British Airways through their cadet scheme in 2014, which included an Integrated ATPL course that I completed at FTEJerez in Andalucia, Spain 🇪🇸. My flying journey began in

JBL Noise-Cancelling Earbuds Are Almost Free, Best Buy’s Top-Selling Exclusive Deal for a Limited Time

A set of true-wireless earbuds with noise-canceling are a must to have. When you’re trying to tune out the world so that you can immerse yourself in your music or a podcast, why not literally turn off the sound of the world around you? It’s distracting. These JBL Tune 235NC earbuds can do just that and right now they are 40% off. You can have them for the reduced price of just $60—down from $100 for a limited time. See at Best Buy Turn off the Sound of the World Around You The JBL Tune 235NC

AMD's Freshly-Baked MI350: An Interview with the Chief Architect

Hello you fine Internet folks, At AMD's Advancing AI 2025, I had the pleasure of interviewing Alan Smith, AMD Senior Fellow and Chief Instinct Architect, about CDNA4 found in the MI350 series of accelerators. Hope y'all enjoy! Transcript below has been edited for conciseness and readability. George: Hello you fine internet folks! We're here today at AMD's Advancing AI 2025 event, where the MI350 series has just been announced. And I have the pleasure to introduce, Alan Smith from AMD. Ala

Oklo, the Earth's Two-billion-year-old only Known Natural Nuclear Reactor (2018)

Physicist Francis Perrin sat at a nuclearfuel-processing plant down in the south of France, thinking to himself: “This cannot be possible.” It was 1972. On the one hand, there was a dark piece of radioactive natural uranium ore, extracted from a mine in Africa. On the other, accepted scientific data about the constant ratio of radioactive uranium in ore. Examination of this high-grade ore from a mine in Gabon was found to contain a lower proportion of uranium-235 (U-235) — the fissile sort. Onl

Oklo, the Earth's Two-billion-year-old only Known Natural Nuclear Reactor

Physicist Francis Perrin sat at a nuclearfuel-processing plant down in the south of France, thinking to himself: “This cannot be possible.” It was 1972. On the one hand, there was a dark piece of radioactive natural uranium ore, extracted from a mine in Africa. On the other, accepted scientific data about the constant ratio of radioactive uranium in ore. Examination of this high-grade ore from a mine in Gabon was found to contain a lower proportion of uranium-235 (U-235) — the fissile sort. Onl