Related topics: energy

A new sensor increases smartwatch battery life five times

Nearly 80% of the battery power in smartwatches is used up by the heart-rate monitor. But a new generation of sensors developed by EPFL startup ActLight consumes five times less energy. They have been tested and calibrated, ...

High-pressure natural gas turbine-generator

Scientists of Peter the Great St. Petersburg Polytechnic University (SPbPU) have developed a turbo expander electric generator operating on high-pressure natural gas. Natural gas, compressed at the power station, releases ...

After oil and gas, Denmark's Dong ditches coal

Danish green energy giant Dong said Thursday it was pulling out of coal use, burning another bridge to its fossil fuel past after ditching oil and gas.

Meet the cost-efficient wave turbine

Marmok-5, a new device using wave-powered turbines to generate up to 30kW of electricity, has recently been deployed at the BiMEP site, on the northern coast of Spain. The device produces enough energy to run a medium-sized ...

Australia needs a strong carbon price to meet Paris target

Australia needs to consider a carbon price of around $US140 a tonne by 2040 to help the world meet its target to keep global warming below 2 degrees Celsius, experts have told The Australian National University annual Energy ...

How much wind energy can be generated in your area? Check EMHIRES

The Joint Research Centre (JRC) has produced a dataset of wind energy production (EMHIRES) at national, regional and local level across the EU, by the hour for the last 30 years, based on existing wind farms. The detailed ...

High renewable electricity growth continued in 2015

The 2015 Renewable Energy Data Book shows that U.S. renewable electricity grew to 16.7 percent of total installed capacity and 13.8 percent of total electricity generation during the past year. Published annually by the National ...

Crowdfunding a renewable future

One issue with small-scale, home-based renewable energy systems is that initial setup costs can be high. This puts such installations out of reach for some sectors of society, even if they could benefit financial in the long ...

page 5 from 23