A representation of what happens during the winter solstice. Credit: Timeanddate, via The December 21, 2025at hours 4.03pm Italians, the winter solsticewhich will officially begin the winter season in the Northern Hemisphere. Contrary to what you think, the change of season does not happen over the course of an entire day, but falls at a specific timeand does not occur ...
Tim Berners–Lee, the British scientist who invented the World Wide Web in 1989, while working at CERN in Geneva. Credit: CERN. to meet the demand for automated information sharing between scientists at universities and institutes around the world. The December 20, 1990inside the corridors of CERN in Genevain Switzerland, Tim Berners-Lee turned on the “engines” of first website in historyan ...
Many times we find ourselves wondering “But was it that cold last year?” or “But was it this hot in other years?”. These are questions that can be answered by searching through the meteorological archives, and that’s what we did: we bring you the temperatures of December 20th scheduled for Milan, Rome, Naples And Palermocompared with those of the same ...
Spring, summer, fall, winter. The seasons are such a part of our daily lives that we take them for granted. Yet, they are not at all obvious. They don’t exist the same way everywhere on the Earththere have not always been four and without them our way of measuring time – even the very concept of “year” – would be ...
In some areas it is protected, in others, especially where it has been transplanted, it represents an enormous risk for biodiversity, despite being much loved by fishermen. A catfish (Silurus glanis) long 2.8 meters and the weight of 68 kg it was caught in October in Lake Alserio in Lombardy. Record size, but definitely not rare for this fish species: ...
The Huangjuewan Overpass, also known as “Panlong flyover”, is located in Chongqing, southwest China, and is considered the most complex highway intersection of the planet. Designed to solve the traffic problems of a constantly growing city, it is developed on 5 overlapping levels that intertwine like threads in a spider’s web. It is made up of 15 ramps – of ...
Image generated with AI. In the past few hours, a new chapter has been written in the TikTok “saga” in the USA. The Chinese social network has formalized an agreement that profoundly redesigns its presence in the United States, putting an end to a long phase of political and regulatory uncertainty. The company decided to move US operations to a ...
Those who have radiators in their home often hear that the heat pump is not for them. And so many give up from the start, convinced that they need to redo the entire system or install a traditional boiler again. In reality, the latest generation technologies are able to work at high temperatures and take advantage of existing radiators without ...
Legitimate calls coming from call center they will be soon identified by short three-digit numbers even when they make sales calls or send promotional messages. This innovation arises from a proposal fromAGCOMtheCommunications Regulatory Authorityand is designed for reduce aggressive telemarketing and be able to recognize at a glance who is contacting us. The idea is in fact to allow operators ...
Here’s how to cook a “perfect” egg in a scientific way: put the egg with the shell in a pan with boiling water (100 °C) for 2 minutes then move it into a bowl with water 30°C for another 2 minutes and repeat the cycle eight times for a total of 32 minutes. This procedure is called periodic cooking and ...