AI solves equations and chops code, but continues to crash with PDFs: the explanation shows its limits

It’s probably happened to you. You upload a PDF to an artificial intelligence chatbot in the hope that it will summarize a report, extract a table or find a specific piece of information for you in a matter of seconds. And, sometimes, he succeeds. But other times, the result is disconcerting: mixed columns, footnotes embedded … Read more

Employment among those over 65 triples and reaches the maximum in the historical series. There is a good reason: retirement

The labor market in Spain has recorded several notable milestones in recent months: record contributions, lowest unemployment rate in decades and recovery of youth employment. However, the last annualized EPA data They hide a story that goes beyond global figures. According to Annual average data for 2025 published this week by the INE, the employment … Read more

free geothermal and waste-based heating

The race to dominate artificial intelligence (AI) is no longer waged only in the aseptic laboratories of Silicon Valley or in microchip factories; is moving towards a much more earthly and critical terrain: electricity. At a time when data centers threaten to saturate the global electrical grid due to their voracious consumption, big technology companies … Read more

assault in sound quality and for being the most comfortable headphones

Now that Samsung has finally announced the new generation of its headphones, what better way to explore what they offer than to compare them with models from other brands. Are they better than Apple’s? To do this, in this article we are going to put the Samsung Galaxy Buds4 with AirPods Pro 3. The differences … Read more

It has Taiwan in front of it and Japan is going to fill it with missiles

At the westernmost tip of Japan there is a paradise place where, on clear days, you can see another territory from the coast. It is the same enclave where they live more native horses than school-age children. That isolated corner, for decades outside the big headlines, has begun to occupy an unexpected space in the … Read more

Three AIs clashed in ‘War Games’. 95% of them resorted to nuclear weapons and none ever surrendered

In ‘War Games‘ (John Badham, 1983) the WOPR machine (‘Joshua’) constantly played at simulating nuclear wars for the US Government. The objective: to learn from these simulations so that if there was a nuclear war, the US could win it by taking advantage of that knowledge. That led to a legendary final lesson – “Strange … Read more

Wild chimpanzees drink the equivalent of almost two glasses of alcohol a day

If we test chimpanzees for blood alcohol levels, we would most likely see that they test positive as sI would have had a drink or two. And here the fault is not in the fact that they have a hidden bottle of whiskey, but in the sugars present in the fruits they consume and their … Read more

review with features, price and specifications

I’ve had the opportunity to try out what Dyson describes as its “lightest, most maneuverable” vacuum cleaner. Beyond the slogan, I wanted to see how much that focus on lightness and maneuverability really changes the cleaning experience at home. PencilVac Fluffycones It is not designed as a vacuum cleaner for everything, but as a very … Read more

If anyone was waiting for the AI ​​bubble to burst, NVIDIA’s results have a message: sit tight

NVIDIA just published your results of the fourth quarter of its last fiscal year and has left Wall Street speechless. Revenues of $68.1 billion, a net profit that almost doubles that of the same period of the previous year, and a forecast for the following quarter that has far exceeded analysts’ expectations. And all this … Read more

It had been listed as “scrap” in a museum for 100 years. Now we know that it is the piece that advanced Egyptian engineering by 2,000 years.

If we think about the ancient egyptian technologythe images that come to mind are the monumental ones pyramids of giza or the great obelisks of the New Kingdom. However, the foundations of this technological feat were forged long before, as pointed out by a new archaeological study that has identified the oldest rotating metal drill … Read more

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