Ecology

qubit

What is a qubit and how does it work as the basic unit of quantum computers

The qubits (or quantum bits,”quantum bit“) is the basic unit of information in quantum computers and was first proposed in the early 1980s by physicist Richard Feynmanwho realized the potential of quantum computing to solve complex problems in physics and chemistry. It differs from the “traditional” bit because it is not limited to having a value of 0 or 1, ...

geopolitica del caffe mercato internazionale

Geopolitics and the coffee market: from production in the global South to consumption in rich countries

Starting from the time of domestication of coffeeseveral centuries ago, the consumption of the drink and products containing it spread throughout the world. There is, however, one interesting thing paradox in the industry that dominates the production and marketing of this product (which also occurs in the case of other types of goods). While in fact the coffee consumption it ...

universita piu antica del mondo ateneo di bologna

What is the oldest university in the world? The University of Bologna, founded almost a thousand years ago

There oldest university of the world is the university of Bolognafounded in 1088. Originally at the university they only taught legal studiesbut over the years many other disciplines have been added. The history of the university is inextricably linked to that of Bologna and over the centuries the so-called Alma Mater Studiorum it has known moments of splendor and periods ...

ma pero a me mi piace si possono dire

Can you say “But but” and “I like it”? Yes, according to the Accademia della Crusca

For years, the use of expressions like “but but” And “I like it” it has been labeled as absolutely incorrect and to be avoided, synonymous with a neglected or poorly cared for language. Yet, according to the Accademia della Crusca, these expressions, which often arouse laughter or automatic corrections, are instead correct, if placed in the right context. Let’s understand ...

Immagine

What is an electrical transformer, how it works and what it is used for: the types

The transformer it’s one electric machine which is useful for increase or diminish there voltage and the current That “they pass” through it. This machine is fundamental in the electricity supply chain and is an integral part of the infrastructure that composes it. Thanks to the use of this device it is possible to transport electricity in alternating current for ...

ram memoria computer e cervello byte bit

How many gigabytes of memory does the human brain have?

When we talk about memory we can refer to biological memorythat is, our ability to remember things, or the memory of elements of the computerlike the memory of a hard disk or RAM. But there is a curiosity that often surfaces: can our brain’s memory be measured in bytes? The truth is that, to date, this comparison seems senseless. Indeed, ...

Immagine

Bird Strike: what are the causes, consequences and how to prevent them

When it comes to aviation safety, one of the most insidious and unpredictable risks is represented by the phenomenon of bird strike, i.e. impacts between aircraft and birds during take-off, landing or cruise operations. These accidents, although rare, can have serious consequences and jeopardize flight safety. Think that the Federal Aviation Administration reports more than every year 10,000 bird strikesfor ...

rubik cubo piccolo

The smallest Rubik’s cube in the world is half a centimeter large and can be solved with tweezers

Credit: Megahouse The working Rubik’s cube smallest in the world it’s barely big 4.9 millimeters: this is an example produced to celebrate the 50th anniversary of the famous puzzle, in collaboration with a Japanese precision company, the MegaHouse Corporation. The cube obtained a Guinness World Record on August 23, 2024 and, given its tiny size which is a thousandth compared ...