Consumer & Gadgets

Raspberry Pi 4: Blogger finds charger roadblock

Wait, what. Some users have found charging problems with their newly purchased Raspberry Pi 4, as their existing USB-C cables would not charge. Did the Raspberry Pi mess up?

Energy & Green Tech

Holistic view of planning energy self-sufficient communities

Sustainable communities supplied by local renewable energy production are beginning to be established in the U.S. By using energy-efficient buildings and distributing means of energy generation, such as solar panels, throughout ...

Energy & Green Tech

U.S. energy use rises to highest level ever

Americans used more energy in 2018 than in any other year, according to the most recent energy flow charts released by Lawrence Livermore National Laboratory (LLNL). Overall total energy consumption rose to 101.2 quadrillion ...

Energy & Green Tech

Smart grids: Enhancing resilience

Robustness of urban infrastructures in situations of crisis mainly depends on stable power supply. This is a particular challenge when planning future smart grids that have to cope with volatile conditions anyway. Smart grids ...

Energy & Green Tech

A paper battery powered by bacteria

In remote areas of the world or in regions with limited resources, everyday items like electrical outlets and batteries are luxuries. Health care workers in these areas often lack electricity to power diagnostic devices, ...

Security

Weaponizing the internet for terrorism

Terrorism is a fact of life as are the collectives and networks to which counter-terrorism organizations and the media have given various labels and names. These networks are well versed in exploiting modern information technology ...

Engineering

Pioneering chip extends sensors' battery life

A low-cost chip that enables batteries in sensors to last longer, in some cases by over ten times, has been developed by engineers from the University of Bristol.

Energy & Green Tech

Hydrogen-fueled drone taken for test run

A drone aircraft taking off from an airport in Scotland earlier this year for a 10-minute test run at 200 feet and then making a successful landing may not seem like a big deal but the power system on this one has made it ...

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