Ecology

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The thinnest “spaghetti” in the world is only 372 nanometers thick: how did they produce them?

A group of researchers fromUniversity College London he made what were nicknamed “the thinnest spaghetti in the world“. These nanospaghetti are much thinner than typical Sardinian pasta on filindeu (threads of God), but they cannot be eaten – also because it would take less than a second to cook them in boiling water. The obtained nanospaghetti are organized in a ...

fischietto azteco della morte

The chilling sound of the Ehecachichtli, the “Aztec whistle of death”

Credit: Jennysnest The native populations ofCentral America (like the Aztecs hey Maya) had a great tradition linked to the creation of whistles able to reproduce natural sounds (animal sounds, the hiss of the wind, etc.), of which one of the most particular and mysterious is theEhecachichtlialso known as “Aztec whistle of death“. This is a series of whistles in ceramic ...

come funziona la legge della domanda e della offerta

What does the law of supply and demand say? How the market works in summary

There request el’offer are two fundamental concepts ofeconomy whose relationship explains the behavior of consumers and sellers on the market: i consumers (demand) purchase goods with the aim of satisfying their desires and needs (based on specific preferences and therefore choices). THE sellers (supply) put goods on the market with the intention of maximizing their profit. In general theoretical line, ...

10 parole italiane che sbagliamo a pronunciare

Do you say hammock or hammock? 10 Italian words that we almost certainly pronounce wrong

There Italian languagedespite being phonetically regular (it is pronounced “as it is written”, although with exceptions), has some words whose pronounce can mislead even native speakers. Common errors often arise from accents badly positioned or from dialect influences. Let’s discover ten terms that are frequently pronounced incorrectly, analyzing the correct accents and providing practical examples. Hammock Commonly pronounced “àmaca”, with ...

vaso dio bes egizi sostanze psicotrope

In Ancient Egypt they used psychotropic substances in rituals: discovered in a 2000 year old vase

Credits: https://www.nature.com/articles/s41598–024–78721–8#Sec1 Recent analyses, carried out by a research group from the University of Trieste led by Henry Greekon a vase ofancient Egypt from the Ptolemaic era (4th-1st century BC) kept in Tampa, Florida, have revealed the presence of some unexpected substancespsychotropic (for example, of harmaline alkaloids and traces of some specific plants) and medicinal, shedding new light on the ...

Ghost Tap attacco informatico

What it is and how to defend yourself from Ghost Tap, the scam to steal money from credit cards with NFC

Cyber ​​attacks and online scams never stop evolving, and the “Ghost Tap” it is just the latest discovery in the field of cybersecurity. This criminal technique, discovered by cybersecurity experts at ThreatFabricis based on the use of technology NFC (Near Field Communication) to transfer money from stolen credit cards connected to payment services such as Apple Pay or Google Pay. ...

dati paradosso simpson

Simpson’s paradox: when data can deceive and how to avoid it

The Simpson’s paradox it is a statistical phenomenon due to one imbalance in the available datain which the trends that can be inferred from a group of data are in contrast with the trends extracted from one or more subgroups of the same data set. It may happen, for example, that a result which seems obvious, becomes inconsistent when we ...

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How fireplaces work, smoke draft and what are the main types

The fireplace or fireplace And the oldest instrument used for heating a home. It still represents one of the most used elements for the creation and management of the heating system today, with all the relevant evolutions. In this context, the operation of a fireplace is a mix of application of simple concepts fluid statics And fluid dynamics combined with ...