Energy & Green Tech

Biomass-driven technology allows for enhanced energy conversion

Organic waste—whether from households, agriculture or agroforestry—can be used as energy resource, but is often underexploited. A team of EPFL scientists has developed a methodology to better incorporate this resource ...

Energy & Green Tech

Team expands power grid planning to improve system resilience

In most animal species, if a major artery is cut off from the heart, the animal will struggle to survive. The same can be said for many of our critical infrastructure systems, such as electric power, water and communications. ...

Security

Hack against US is 'grave' threat, cybersecurity agency says

Federal authorities expressed increased alarm Thursday about a long-undetected intrusion into U.S. and other computer systems around the globe that officials suspect was carried out by Russian hackers. The nation's cybersecurity ...

Energy & Green Tech

The continuing quest to find a better battery

Ten years ago, if you needed a battery for something more than a flashlight or an alarm clock, your options were pretty limited. Lithium-ion batteries had found their way into consumer electronics in the 1990s, and researchers ...

Energy & Green Tech

Smart devices to schedule electricity use may prevent blackouts

Power plants generate electricity and send it into power lines that distribute energy to nodes, or sites, where it can be used. But if the electricity load is more than the system's capacity, transmission can fail, leading ...

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