If we touch an object of metalwe will hear it more Freddo compared to objects made of other materials, such as cardboard or wood. This happens even though the two objects are at the same same temperature. How is this possible? Why do we perceive two different temperatures? It’s all in the difference in conductivity thermal of the materials in ...
The famous work of art The Great Wave off Kanagawacreated by the Japanese artist Hokusai, will appear for the first time on a banknote of Japanto be precise the one from 1000 yen: the woodcut, which depicts a beautiful wave at the foot of Mount Fuji, will therefore appear on the national currency, not unlike several European banknotes that have ...
In recent years, interesting solutions have been tested to contain the phenomenon of “jellyfish bloom” or, at least, for use these planktonic organisms in an alternative way. One of the possible uses is precisely the food one since Some species of jellyfish are ediblehave good nutritional properties and a flavor appreciated by many. Someone, thinking of that gelatinous body and ...
The holidays summer are one of the most anticipated moments of the year, marking the period of break from work and daily routine to relax and dedicate oneself to tourism and holiday activities. But how was the mass tourism? If at first this activity was reserved only to members of the aristocracy or the upper middle class, with the invention ...
Even ants can count: to be precise, according to a study, ants Cataglyphis fortis – typical of the Sahara desert – would be able to count their steps. Ants generally go in search of food, leaving a scent trail which they exploit to be able to return to the anthill without getting lost, a bit like Tom Thumb did with ...
The Ferragosto It is the popular name for the national holiday ofAssumption of Marywhich is celebrated on August 15th every year in many Catholic countries. The origins of the celebration date back to the time of theRoman Empireto be precise, 18 BCwhen Octavian Augustus established the feast of August Holidays (which means “Augustus’ holiday”) to bring order to the pre-existing ...
The soccer player of Tottenham Yves Bissouma recently caused a stir for publishing a video in which you resumes while inhaling some nitrous oxide Of nitrogen from a balloonwhich in the UK is crime. This gas, also known as gas exhilaratingis commonly used in the medical and food fields for its anesthetic, analgesic and anxiolytic properties. However, in recent years, ...
There USS Georgia (SSGN-729) of the United States Navy is a nuclear submarine of the Ohio class. Operational since November 1982, it has a length Of about 170 metersa width of 13 meters and a total weight of almost 18,750 tons fully loaded. It can travel at over 20 knots when submerged and can accommodate up to 154 cruise missiles ...
Credits: Z. LEVAY AND R. VAN DER MAREL (STSCI); AND A. MELLINGER/ESA/NASA. One of the most fascinating predictions that astronomy has made about the fate of our galaxy, the Milky Way, is that of a future cosmic collision with the Andromeda Galaxy in about 4.5 billion years. The prediction comes from a 2008 study published in the journal Monthly Notices ...
The grip of the African anticyclone that is gripping Italy this summer of 2024 is making us talk about it again tropical nightswhich in Europe are defined as the nights in which the temperature measured on the ground always remains above 20 °C. Especially on hot, sultry days, one of the consolations is knowing that temperatures will drop at night ...