Abstract: Coding metasurfaces, composed of artificial meta-atoms with digital encoded electromagnetic (EM) responses, have great potential for numerous information applications due to their advanced ...

Pax Gold is up 74% for the year, keeping pace with the skyrocketing price of physical gold. Pax Gold offers investors an easier and more cost-effective way to get exposure to the price of gold than a ...

Mining Bitcoin without a valid permit in Russia will soon land you in a forced labour camp or jail. That’s if the Ministry of Justice gets its way. On December 29, the ministry revealed proposals for ...

Courts could jail illegal miners for up to five years. The Justice Ministry also proposes heavy fines for offenders. Illegal miners are blamed for power shortages in Bitcoin mining hotspots. Mining ...

Sangdong mine, South Korea — Nestled deep in the mountains of South Korea, in a remote part of the country's east, is one of the world's largest deposits of a critical mineral. The Sangdong mine ...

In June, WSJ’s Joanna Stern headed inside a data center to show just how much energy it takes to make an AI image and video. Photo: David Hall It’s harder than ever to mine bitcoin. And less ...

Bhutan is using surplus, carbon-free hydropower to mine Bitcoin, converting excess electricity into a liquid digital export rather than curtailing generation. Mining and custody are handled by the ...

Experts say quantum computers pose no near-term threat to Bitcoin’s cryptography. Some researchers warn timelines are shortening, with risks potentially emerging later this decade. Upgrading Bitcoin ...

Bitcoin's price is currently below $90,000. After it marked a mediocre 2025, Bitcoin falling below that price level is scaring some investors. This is a case where it pays to focus even more on the ...

Bitcoin will rally to $143,000 next year as investors continue to increase digital asset adoption through exchange-traded funds, according to a new Wall Street forecast. Analysts at Citi said the $143 ...

Wondering how to buy Bitcoin as a first-time investor? Our beginner’s guide explains the step-by-step process, including the top Bitcoin wallets, exchanges, and safety best practices. Bitcoin (BTC) is ...