Portable breathalyzer. The portable breathalyzers and those “disposable” they offer a simple and reliable way to get an estimate approximate your blood alcohol level. Although the results provided by these devices they have no legal value – it is good to clarify this right from the start – they can however prove useful for a sort of self-check which could ...
Space debris crashed in Kenya on December 30, 2024. Credit: KSA A space debris metallic circular shape of approx 500kg and from diameter of 2.5 meters crashed near Mukuku village in Makueni county in Kenya on December 30, 2024. The debris, probably a separation ring of a rocketdid not disintegrate during atmospheric re-entry, as it theoretically should have done, crashing ...
In geology a mineral is defined as “a natural solid with a high ordering at the atomic scale and a defined (but not fixed) chemical composition“. This definition, although clear, does not always make it easy to distinguish minerals from other types of materials. To help you better understand and test your knowledge, we propose a quiz with 6 images. ...
Public domain, via Wikimedia Commons Two tremendous explosions destroyed the port of Texas Citya few kilometers from Houston (TX, USA) on April 16, 1947in what is today thedeadliest industrial accident in US history: according to estimates by the Texas State Historical Association, the victims were more than 550. The civilian ships involved in the accident, the SS Grandcamp and the ...
With “Monty Hall problem” (or paradox of Monty Hall) refers to a famous and only apparent enigma which falls within the scope of probability calculation. This paradox takes its name from the conductor of game shows American Let’s Make a Deal in which participants must make agreements – deals – right with Monty Hall (pseudonym of Maurice Halprin).The wording “paradox” ...
Credit: Fastweb + Vodafone. There merger between Fastweb and Vodafone Italia is official. With the closing of the operation taking place on December 31, 2024the Swiss giant Swisscom completed the acquisition of Vodafone Italia for 8 billion eurosgiving life to a new corporate brand renamed very simply Fastweb + Vodafonewhich will manage 20 million mobile users and 5.6 million fixed ...
Credits: Mike Lewinski, CC BY 2.0 The first astronomical show of 2025 is coming with the Quadrantid meteor showergenerated by debris from asteroid 2003 EH1. So keep an eye on the sky to enjoy these spectacular meteors burning in the Earth’s upper atmosphere at an even faster rate 120 meteors per hour at the peak of the swarm, thus becoming ...
Because the arrival of the 2025 Has it been greeted with particular enthusiasm by mathematicians? Well, because the number 2025 it is decidedly particular and full of curiosity. Using only the basic notions of arithmetic, in fact, we can write this number in several truly remarkable ways! First, the number 2025 is a perfect squareor the product of an integer ...
The December 25, 2024 a occurred plane crash in Kazakhstan which continues to raise big questions: theEmbraer 190 of Azerbaijan Airlines, in service from Baku to Grozny, crashed near Aktau and from the first moments it was assumed that it was not a technical failure but a disaster caused by a surface-to-air missile. We therefore analyze the information at our ...
Everyone will have come across a frequent problem at least once when traveling by train: the poor reception mobile phone signal while traveling. This aspect, which some may appreciate, makes the travel experience less pleasant for many passengers, especially when they need to stay connected for personal or professional reasons. But why don’t cell phones work well on trains? We ...