There Klein bottledescribed for the first time by the German mathematician Felix Klein in 1882, is a surface, that is, a two-dimensional geometric shape relative of the donut, which however is not orientable, in fact it only has one face and although it seems closed to us it doesn’t have an inside and it doesn’t have an outsidejust like the ...
What we consider rubbish today can become energy and fertilizer tomorrow: to do this, the system that makes this step possible is essential, the biodigester. This is an increasingly widespread technology, which allows us to reduce emissions, contain costs and make cities more sustainable. What a biodigester is and what it does A biodigester is a bit like a large ...
A scene from the film “The art of arranging” by Alberto Sordi THE’“art of making do” it is not just an individual attitude, but a real one social philosophya way of being in the world that reflects continuous adaptation to often precarious economic, political and environmental conditions. “He who adapts, lives”: a proverb that summarizes one of the most profound ...
The first one was obtained pregnancy in the world in a couple with a history of infertility using spermatozoa identified and isolated by a system that uses theartificial intelligence. The platform developed by researchers at the Columbia University Fertility Center is called STAR (Sperm Tracking and Recovery) and allowed us to recover the rare motile spermatozoa of a 39-year-old man ...
A supermoon (right) compared to a medium-sized full moon (left). Credit: Marcoaliaslama, CC BY–SA 3.0, via Wikimedia Commons The second “supermoon” of 2025 will light up the sky on Wednesday 5 November 2025: the “super beaver moon”, so called following Native American tradition, will be the largest and brightest of the year and it will appear about the 7.9% bigger ...
The Conti Tower in Rome in 2013. Credit: kevinmcgill from Den Bosch, Netherlands, CC BY–SA 2.0, via Wikimedia Commons Two collapses occurred in rapid succession and affected the Torre dei Conti in Romecausing the partial collapse of some vertical elements and internal floors. The structure of the Imperial Forums was currently the subject of static consolidation interventions financed by PNRR ...
A refurbished device or regenerated it is not simply a used product: it is an object that has been returned, tested, repaired (if necessary), sanitized and put back on sale after passing thorough technical checks. In the case of smartphones, these are often phones that have been returned for reasons not related to faults, but for simple afterthoughts or small ...
The November 4, 2025 Italy celebrates the National Unity and Armed Forces Day, established to commemorate thearmistice which ended the First World War, signed at Villa Giusti. It is therefore a day of celebration of national unity, because Trento and Trieste returned to Italy, but also of the Armed Forces, because all the soldiers who fell during the fight for ...
The theft at the Louvrewhich took place on the morning of Sunday 19 October, is one of the most discussed of the last period: four thieves they stole it in less than 8 minutes well 8 jewelsamong the most precious of the entire collection with a value of 88 million euros. The fact has raised huge doubts regarding the safety ...
There are many examples of superstitious rituals implemented before and during a sporting performance by athletes or members of staff. Let’s think about the coach of the Italian national team Giovanni Trapattoni which, at the 2002 World Cup, he was caught throwing holy water on the pitch or at Michael Jordan that he wore i old shorts of his college ...