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Best Prime Day robot vacuum deals: My 20 favorite offers right now

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

A $160 Amazon Prime Day 2-way satellite messenger deal all adventurers should check out

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

Best Prime Day smartwatch and fitness tracker deals: My 17 favorite sales live now

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

Inertial forces (indirect terms) in problems with a central body

Gravitational systems in astrophysics often comprise a body – the primary – that far outweights the others, and which is taken as the centre of the reference frame. A fictitious acceleration, also known as the indirect term, must therefore be added to all other bodies in the system to compensate for the absence of motion of the primary. In this Research Note, we first stress that there is not one indirect term but as many indirect terms as there are bodies in the system that exert a gravitationa

Bootstrapping a side project into a profitable seven-figure business

Bootstrapping a side project into a profitable seven-figure business in four years. We really did it! We bootstrapped ProjectionLab to $1,000,000 in annual recurring revenue. And I’m still processing that this is real. 🥹 Back in 2021, I was inspired by the financial independence movement and wanted a better way to plan my own life. I couldn’t find the right tool, so I started building. I had no idea that side project would one day help over 100,000 households plan for their financial future

Radium Music Editor

About Radium Radium is a music editor with a new type of interface. Compared to the piano roll interface, editing is quicker and more musical data fits on the screen . (Radium has a piano roll as well.) and . Compared to the tracker interface, note positions and effects can be edited graphically . Graphical editing provides more vertical space and gives a better visualization of musical data . (Everything can also be edited by text, like in a normal tracker, combining the best of two worlds.)

Volodymyr Zelensky’s Clothing Has Sparked a Polymarket Rebellion

Did Ukraine president Volodymyr Zelensky wear a suit? It should be a simple question, but a dispute over the answer has torn apart bettors on the gambling site Polymarket. With a collective $210 million on the line, some claim to have been denied their rightful winnings. Polymarket is a platform that allows users to gamble cryptocurrency on the outcome of a particular event, ranging from sports games to election outcomes to niche wagers on movie box office results. Each individual prediction ma

Fantastic DJI drone deals for Amazon Prime Day

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

Save up to 55% on Lexar memory cards, SSDs, and storage with these awesome Amazon Prime Day deals

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

Best Prime Day security camera deals: My 12 favorite discounts available now

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

Radium – The Music Editor

About Radium Radium is a music editor with a new type of interface. Compared to the piano roll interface, editing is quicker and more musical data fits on the screen . (Radium has a piano roll as well.) and . Compared to the tracker interface, note positions and effects can be edited graphically . Graphical editing provides more vertical space and gives a better visualization of musical data . (Everything can also be edited by text, like in a normal tracker, combining the best of two worlds.)

Why it’s so hard to warn people about flash floods

is a senior science reporter covering energy and the environment with more than a decade of experience. She is also the host of Hell or High Water: When Disaster Hits Home , a podcast from Vox Media and Audible Originals. By definition, flash floods are notoriously difficult to warn people about well in advance. They form rapidly, giving forecasters hours of lead time at best to figure out where they might hit with specificity. We’ve seen this with devastating effect in Texas, where flash flood

Elon Musk's X says Indian government ordered more than 2,000 accounts blocked, including Reuters

Indian Prime Minister Narendra Modi arrives at the White House to meet with U.S. President Donald Trump on Feb. 13, 2025 in Washington, DC. Elon Musk's X said Tuesday that the Indian government ordered the company to block 2,355 accounts, including Reuters, in the country. "The Ministry of Electronics and Information Technology demanded immediate action- within one hour- without providing justification, and required the accounts to remain blocked until further notice," X's global government af

AI Does Something Subtly Bizarre If You Make Typos While Talking to It

New research suggests that medical AI chatbots are woefully unreliable at understanding how people actually communicate their health problems. As detailed in yet-to-be-peer-reviewed study presented last month by MIT researchers, an AI chatbot is more likely to advise a patient not to seek medical care if their messages contained typos. The errors AI is susceptible to can be as seemingly inconsequential as an extra space between words, or if the patient used slang or colorful language. And strik

Where’s your new Google Photos editor? Google shares updated timetable

Google Photos recently celebrated its 10-year anniversary, and while we’re thankful for all the memories it’s helped us preserve along the way, we were also very excited to hear about what’s coming next, with promises of a bold new editing experience about to roll out. When sharing the news back in May, Google communicated that initial access would get underway for Android users in June, with iOS support following later. We’re soundly into July by this point, and still haven’t seen the new edito

Best Prime Day PlayStation 5 deals: My 30+ favorite sales live now

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

This iPhone thermal camera is a fantastic addition to any toolkit - and it's over $100 off for Prime Day

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

The best Costco deals to compete with Prime Day: TVs, laptops, Apple devices, and more

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

Every iPhone user should have these 7 accessories - and they're on sale

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

Jack Dorsey made an encrypted Bluetooth messaging app

is a news writer focused on creative industries, computing, and internet culture. Jess started her career at TechRadar, covering news and hardware reviews. Twitter co-founder and Block Head Jack Dorsey launched a new peer-to-peer messaging app over the weekend called Bitchat that runs entirely over Bluetooth. Bitchat relies on Bluetooth Low Energy mesh networks to send encrypted communications directly to nearby devices without requiring internet or cellular service. “Bitchat addresses the nee

Musk Is Struggling to Understand What's Happening Around Him, Says Former Tesla Exec

Tesla investors are clearly worried that CEO Elon Musk's fiery new pledge to build a third US political party could inflict even more damage on the embattled company. The EV maker has been put through the wringer by Musk's antics, from cratering sales worldwide to an enormous drop in year-over-year revenues. The company's finances are in free fall. And now that president Donald Trump's so-called "big, beautiful bill" has passed through Congress, Tesla's crisis could soon take a major turn for

Save $120 on the OnePlus 13 for Amazon Prime Day - get it while the deal lasts

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

I recommend this OnePlus phone over other budget Androids - and it's $100 off for Prime Day

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

A Flustered Pam Bondi Tries to Explain Why a Minute Was Missing From the Epstein Jail Video

Attorney General Pam Bondi was asked by reporters Tuesday about Jeffrey Epstein, causing President Donald Trump, who was sitting near her at the White House, to become indignant that anyone was still asking about the sex offender who was found dead in a jail cell in 2019. Bondi gave a very confusing response about both her past comments on Epstein and a one-minute gap in the video released by the U.S. Department of Justice. But only after Trump berated the reporter for even asking about Epstein

Watch this cucumber squirt out its seeds at ballistic speeds

Take a look at squirting cucumber explosive seed dispersal in real time and slowed down. Credit: Helen Gorges/CC BY-NC-ND Take a look at squirting cucumber explosive seed dispersal in real time and slowed down. Credit: Helen Gorges/CC BY-NC-ND One doesn't normally associate ballistics with botany, but most of us don't study "squirting" cucumbers—so called because they disperse their seeds by explosively propelling them out into the world. Scientists took a series of high-speed videos, both in t

Elon Musk's X says Indian government ordered over 2,000 accounts blocked, including Reuters

Indian Prime Minister Narendra Modi arrives at the White House to meet with U.S. President Donald Trump on Feb. 13, 2025 in Washington, DC. Elon Musk's X said Tuesday that the Indian government ordered the company to block 2,355 accounts, including Reuters, in the country. "The Ministry of Electronics and Information Technology demanded immediate action- within one hour- without providing justification, and required the accounts to remain blocked until further notice," X's global government af

Best Prime Day smartwatch and fitness tracker deals: My 16 favorite sales live now

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

Samsung dropped the 4TB T9 portable SSD to over 50% off for Prime Day

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

The 23 best Prime Day 2025 deals under $25

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

The most immersive gaming speaker system I've ever tested is $230 off for Prime Day

ZDNET's key takeaways The SteelSeries Arena 9 features a full-fledged 5.1 surround sound system, including subwoofers for added bass. It allows you to connect three devices simultaneously via Bluetooth, USB, and optical cable. While it offers robust EQ customization via the OLED dial and Sonar desktop app, the OLED dial doesn't give you as much control as the Sonar app for non-PC devices. $548.99 at Amazon $679.99 at Lenovo $609.99 at Best Buy more buying choices The SteelSeries Arena 9 syste