Ecology

Why traveling by train costs more than flying in Europe

Why traveling by train costs more than flying in Europe

Every year, when the time comes to organize the trip home for the holidays, many of us find ourselves in front of the PC screen consulting ticket prices and choosing whether to take the train or plane. Those who have already done so will have noticed that, this year too, generally, Train tickets cost much more than plane ticketsand Italy ...

Everything is connected: what graph theory is for and why it is the key to understanding complex systems

Everything is connected: what graph theory is for and why it is the key to understanding complex systems

In recent decades, it technological development and the possibility of collecting huge amounts of data they have changed the way we look at the world. Today we have networks that can contain millions of interacting elements: networks of people, digital networks, biological networks, infrastructural networks.These systems show non-intuitive behaviorsdifficult to predict by studying only their individual parts. To understand them, ...

The experiment to make greenhouses self-sufficient and accelerate plant growth: interview with the author

The experiment to make greenhouses self-sufficient and accelerate plant growth: interview with the author

A team of researchers has successfully tested modules in perovskite with the aim of creating self-sufficient greenhouses thanks tosolar energy. Perovskite, in fact, allows you to build semi-transparent photovoltaic panelswhile in traditional photovoltaics silicon cells are used which produce a lot of energy but, being opaque, can penalize the growth of crops. The results of this experiment are promising and ...

Fujian, the new Chinese aircraft carrier is the largest in the country: how it is made

Fujian, the new Chinese aircraft carrier is the largest in the country: how it is made

Image edited with AI. Entered service in China for the Chinese People ‘s Liberation Army Navy its new aircraft carrier FujianChina’s largest warship and the country’s first to be equipped with electromagnetic catapults. The vehicle was launched on 17 June 2022 in Shanghai and – to date – it is the largest warship in the Chinese navy and the first ...

Vampire squid, the “living fossil” of the abyss that unites octopuses and squids

Vampire squid, the “living fossil” of the abyss that unites octopuses and squids

The vampire squid, Vampyroteuthis infernalis. Credit: NOAA, Journey into Midnight: Light and Life Below the Twilight Zone The vampire squid (Vampyroteuthis infernalis) looks like a creature straight out of a science fiction film: eight arms joined by a membrane that resembles a cloak or a spiderweb and two enormous eyes, which can appear red or blue depending on the light. ...