Desalination out of Desperation

Severe droughts are forcing researchers to rethink how technology can increase the supply of fresh water. Even in drought-stricken California, San Diego stands out. It gets less rain than parched Los Angeles or Fresno. The region has less groundwater than many other parts of the state. And more than 80 percent of water for homes and businesses is imported from […]

What Are MOOCs Good For?

Online courses may not be changing colleges as their boosters claimed they would, but they can prove valuable in surprising ways. A few years ago, the most enthusiastic advocates of MOOCs believed that these “massive open online courses” stood poised to overturn the century-old model of higher education. Their interactive technology promised to deliver top-tier teaching from institutions like Harvard, […]

Gigabit speeds over telephone wires? Yes, thanks to new G.fast standard

A technology that lets copper telephone wires compete with fiber has finally been standardized, opening the way for affordable, interoperable equipment running at up to 1Gbps. The technology that gives copper broadband a new lease on life is called G.fast. It offers speeds at up to 1Gbps at distances of up to 100 meters. As the distance increases, the speeds […]

FBI warns firms of destructive malware use by hackers

The US Federal Bureau of Investigation (FBI) has warned that cyber-hackers have used malicious software to launch destructive attacks in the US. A five-page confidential warning was issued to US businesses on Monday, according to Reuters news agency. The software would make it impossible to recover any lost data, the FBI said. The warning follows a confirmation from the FBI […]