The Gore-Tex And Polytetrafluoroethylene (PTFE), also known as Teflon, which worked at low temperatures develops micropors that guarantee them thermal insulation and which prevents the water from entering, making it waterproof. The name derives from the entrepreneur Wilbert L. Gore and from his son Robert W. and literally means “Gore fabric”. The characteristics of the Gore-Tex: waterproof, warmth and durability ...
How many times we happened to turn on a candle or fire in the fireplace with a match? Although today they are replaced by the most modern lighters, the matches remain the fascinating objects present in our homes. Behind the simple gesture of turning them on, there is an interesting chemical and physical process which makes the match almost a ...
There Valle d’Aosta It is a region with a special statute of theNorth-western Italy. His identity is strongly conditioned by territory mountain on which it stands: the region is in fact the smallest in Italy by surface (3 258.61 km2) and is entirely enclosed by the highest reliefs of the Alpine arc, in particular by the sections of the Alps ...
“Wasting“((万歳), means “Hurish” or “ten thousand years” in Japanese, and is written with two kanji which mean those two words. Its history crosses different centuries and contexts, and according to tradition it is used as a wish for long life and prosperity, a bit like our “One hundred of these days“: It is generally repeated three times to express enthusiasm, ...
Often they feel the terms are used State And Nation as synonyms but are concepts that they have different origins and evolutions: lo State It is apolitical entity with a government, a territory and a population, the Nation it is instead a more concept cultural and identity. Understanding the difference between the state and the nation is not only linked ...
The Bran Castle It is one of the most famous castles in the world also thanks to the association with the character of Count Dracula, born from the pen of Bram Stoker. The castle, built between the 1377 and the 1388 and located at the foot of the Monti Carpazipresents interesting engineering and architectural characteristics, from foundations to towers, secret ...
During a storm, i domestic electronic devices – including the modem – do not attract lightning as if they were “magnets”, but remain anyway vulnerable to the damage caused by electrical overtesions. For this reason, it is strongly recommended to turn off and disconnect modem/router, computers, televisions and other sensitive devices before the storm reaches the area of its home. ...
The ovary chickensor the hens raised for the intensive production of eggs, do not have a particularly easy life within the farms. Although recent rules for animal welfare impose precise criteria to be respected, some procedures must still be implemented to reduce the mortality specimens. A widespread and permitted practice by law requires that you can “Check” the terminal part ...
The brown adhesive tape and that transparent They are distinguished by some fundamental characteristics that influence its use, appearance and performance. The brown ribbon is generally made with a base in Kraft paper, PVC Or similar materials, this is because it must be robust and more resistant to tear. For the same reason it is often made up of a ...
Detail of the fresco, of the first century. d. C., today at the National Archaeological Museum of Naples, which was located inside the Fullonica of Veraius Hypsoeus, one of the eleven “laundries” interpreted as such in Pompeii. Credit: Wolfgang render The process of cleaning clothes in ancient Rome could also include the use ofurine: the properties detergents And whitening ofammonia ...