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Car seats are there for a lot: every traffic-induced meltdown, every spilled juice box, every road trip nap. Most importantly, they save lives. But while it’s tempting to treat them like any other piece of kid gear when messes strike, they’re not just another item you can toss in the wash. They’re precision-built safety devices,…
Photograph: Simon Hill A Quick Word on eSIM Apple has supported eSIM technology since the iPhone XS. It’s basically an electronic SIM card instead of the tiny, physical chip you insert into your phone for cellular connectivity. The iPhone 14 series was the first to completely get rid of the physical SIM card slot (in…
The original version of this story appeared in Quanta Magazine. The Chinese AI company DeepSeek released a chatbot earlier this year called R1, which drew a huge amount of attention. Most of it focused on the fact that a relatively small and unknown company said it had built a chatbot that rivaled the performance of…
On an earnings call this summer, Meta CEO Mark Zuckerberg made an ambitious claim about the future of smart glasses, saying he believes that someday people who don’t wear AI-enabled smart spectacles (ideally his) will find themselves at a “pretty significant cognitive disadvantage” compared to their smart-glasses-clad kin. Meta’s most recent attempt to demonstrate the…
Step 3: Once the page refreshes, scroll to the bottom of the left rail and choose “Amazon.com” as your Seller. Step 4: Now you will only see “Pixel 9A” products sold directly by Amazon.com. If you still don’t see “Amazon.com” as a seller, try hitting the “See More” button. It will bring up a dense…
We walk here, we walk there, we walk everywhere. Maybe you’re headed to work or to lunch in a busy city. You’re expending energy, and the exercise is good for you. But what if, on top of that, we could recapture all that freely supplied energy and convert it to usable electricity? This is a…
In another vote, advisers recommended adding language on the shot’s risks to the vaccine’s information sheet, which is already required by law. The committee’s focus on Covid-19 vaccines reflects Kennedy’s long-held suspicion of them. Since taking office in February, Kennedy has canceled a half-billion dollars in mRNA vaccine research and separately ended a major contract…
Mass is still the enemy here, and EVs typically have lots of it. Factor in bigger brakes and wheels, and the result is an increase in unsprung mass. That puts the springs and dampers under more pressure, which results in an increased amount of energy that needs to be managed, and unwanted oscillations when a…
Photograph: Simon Hill If your old device doesn’t support Quick Start, or you don’t want to use it, then follow the steps on the Hello screen until you reach a screen asking whether you want to join a Wi-Fi network. Choose the network you wish to join. You will be prompted to set up eSIM…
The United States and China may have agreed on a deal to prevent the social platform TikTok from being banned in the US—if you take US President Donald Trump’s word for it. After a long-awaited call between Trump and Chinese President Xi Jinping on Friday, Trump announced victory on Truth Social: “The call was a…
