Ecology

What is pool cue chalk used for?

What is pool cue chalk used for?

Anyone who has ever played billiards you will surely have noticed that there are always gods present next to the table small colored chalk cubes which – as many films and TV series have taught us – must be rub yourself on the tip of the cue. But what exactly is this practice for? Its main purpose is to improve ...

Why did people once wear monocles?

Why did people once wear monocles?

Credits: W.carter, CC BY–SA 4.0, via Wikimedia Commons The monocle it wasn’t just a bizarre accessory from dandy: born as one optical instrument of myopia correction, although certainly impractical, but it soon turned into symbol of status and refinement. Used in particular by German soldierswas targeted by satire in the nineteenth century and underwent the definitive decline after the world ...

How tattoo removal works: the picosecond laser

How tattoo removal works: the picosecond laser

It’s possible remove a tattoo? Short answer: yes, thank you picosecond laser. It is a laser that selectively hits the pigments that make up the ink, thus heating them and fragmenting them. The results can be truly impressive, leading to complete removal of the tattoo, but this is not always the case: successful removal depends on several variables such as ...

How Russia is modifying its ballistic missiles to acquire new, even more lethal capabilities

How Russia is modifying its ballistic missiles to acquire new, even more lethal capabilities

From the beginning of the Russian invasion on February 24, 2022 – the start date of the Russo-Ukrainian War – to now, the Russian Armed Forces they are submitting theUkraine to constant fire pressure from their arsenal of long-range weapons, particularly ballistic and cruise missiles. Ukraine responded to this sustained offensive using both its own arsenal of anti-aircraft and anti-missile ...

History of torture: what are the most brutal instruments used over the centuries

History of torture: what are the most brutal instruments used over the centuries

Torture is a practice that consists of cause physical or psychological pain to a person. The purposes for which it is implemented are generally: to extract information during an interrogation; punish an enemy; simply exercising sadism. Torture exists since the ancient world and in the past it was regularly used by courts and armed forces, only since the Enlightenment have ...

The top 10 geothermal energy producing countries in 2025: Italy in 8th place

The top 10 geothermal energy producing countries in 2025: Italy in 8th place

Like every beginning of the year, the ThinkGeoenergy.com website, one of the most authoritative digital platforms globally for information and content production ongeothermal energy (transforms underground heat into electricity using hot fluids to move turbines), drew up and published the ranking of the first 10 nations in the world For geothermal capacity in 2025. THE’Italy maintains theeighth positionwith an installed ...

The sports we won't see at Milan-Cortina 2026: from ski ballet to sled dog racing

The sports we won’t see at Milan-Cortina 2026: from ski ballet to sled dog racing

We are almost at the starting line now Milan-Cortina 2026 Winter Olympics. The event, recognized as one of the most important sporting events ever, will see athletes from all over the world compete in 16 various winter sports.In the history of Olympic GamesHowever, the disciplines that have taken turns are much more numerous: some have still remained in the games ...

How does a smartphone know if it's in your pocket? Here's the explanation

How does a smartphone know if it’s in your pocket? Here’s the explanation

Putting it on and taking it off smartphone from your pocket it is a gesture that we perform dozens, if not hundreds, of times a day. Whenever we do this, especially if we use an Android smartphone equipped with the so-called “pocket mode”, we trigger a series of hardware and software procedures that ensure that the display does not respond ...

81 years ago Italian women obtained the right to vote: how did we get to this goal

81 years ago Italian women obtained the right to vote: how did we get to this goal

An Italian woman exercising her right to vote for the first time. Credit: Chamber of Deputies On 1 February 1945, Italian women were granted the right to vote: after years of struggles, universal suffrage was extended to the entire female population – at least 21 years of age – thanks to the Lieutenant legislative decree n. 23. 81 years separate ...