Researchers at EPFL have found a way to dramatically reduce energy loss and boost efficiency in perovskite solar cells by ...

The technology is based on a crystalline structure found in a natural mineral called perovskite, discovered in 1839 in Russia's Ural Mountains and named after Russian mineralogist Lev Perovski.

Elon Musk’s social network X has raised close to $1 billion in new equity from investors, according to people with knowledge of the matter — a deal that gives the company a valuation in line ...

It’s not just you. X is down (or, Twitter is down, if you prefer). X experienced multiple outages on March 10, with thousands of users all over the globe reporting problems. Elon Musk has said ...

Elon Musk said there is a ‘massive cyberattack’ against X, as access to the site remained inconsistent. Elon Musk said there is a ‘massive cyberattack’ against X, as access to the site ...

Social media platform X suffered multiple service outages on Monday due to what its owner, billionaire Elon Musk, called a "massive cyberattack" that he said possibly originated from Ukraine.

After its valuation plunged in recent years, X is now worth $44 billion — the same price owner Elon Musk paid for the platform, then known as Twitter, in 2022. The $44 billion valuation was ...

Months after the valuation of X (formerly Twitter) was estimated to have fallen by 80 percent, investors are now pegging the social media platform’s value at $44 billion, the same amount Elon ...

The billionaire’s social media site X suffered outages, and Tesla’s stock tanked on Monday. By Kate Conger and Christine Hauser Elon Musk is facing questions about how much attention he is ...

GTA 5 got a PC graphical upgrade in 2025 with ray tracing, improving illumination. Ray tracing enhances lighting in the game, creating depth & realism, but some fans find it too bright. While some ...