FBI tells telecom firms to boost security following wide-ranging Chinese hacking campaign

Federal authorities on Tuesday urged telecommunication companies to boost network security following a sprawling Chinese hacking campaign that gave officials in Beijing access to private texts and phone conversations of an unknown number of Americans. The guidance issued by the FBI and the Cybersecurity and Infrastructure Security Agency is intended to help root out the […]

Electric vehicle fires: How worried should we really be?

Electric vehicles (EVs) bring not just environmental promise, but also raise critical safety questions—chief among them, the fire risks posed by their lithium-ion batteries. While indispensable for powering EVs, these batteries present unique challenges, especially in confined spaces like parking garages, where the potential for fires carries significant consequences. At the core of this risk […]

Balloon system can produce localized solar electricity for the ground below

A team of engineers and environmental scientists from Mälardalen University, in Sweden, Southwest Jiaotong University, in China and Guizhou University, also in China, has developed a balloon system for producing and delivering electricity to the ground below. Their work is published in the journal Energy. Some places are not very conducive to the production of solar […]

Undersea cable cuts in the Baltic Sea are stoking geopolitical tensions — here’s what’s going on

Geopolitical tensions are brewing globally over the cutting of subsea cables — critical infrastructure powering cross-border internet connectivity — in the Baltic Sea. The severing of the cables prompted warnings of “sabotage” and potential “hybrid” warfare targeting key infrastructure in the West amid further escalations in the ongoing war in Ukraine. CNBC explains all you need to know […]