Geothermal Energy Could Heat Homes And Reduce Our Dependence On Fossil Fuels | Mach | NBC News

Whirlpool Turbines Can Provide 24/7 Renewable Energy For Dozens Of Homes

Can you actually hear ‘inaudible’ sound?

Are wind farms harmful to humans? This controversial topic makes emotions run high. To give the debate more objectivity, an international team of experts dealt with the fundamentals of hearing in the lower limit range of the audible frequency range (i.e., infrasound), but also in the upper limit range (i.e., ultrasound).

Why Anaerobic Digestion Is Environmentally Friendly

The constant battle to reduce greenhouse gases has resulted in a constant search for more environmentally focused waste disposal systems – from an influx of recycled materials being crafted into other useful objects, through to sourcing eco-friendly treatment systems for our waste water – finding new ways to protect the environment is high on everybody’s radar. The Effect Of Anaerobic Digestion It is this constantly reaching for better solutions that has driven Anaerobic digestion to where it is now. By combining biodegradable materials, we now have an additional process for creating electricity and organic compost. This means fewer fossil fuels will be burned to heat our homes, chemical fertilisers won’t be in such high demand and our food will have a milder treatment system in place.

Low-cost wafers for solar cells

Silicon wafers are the heart of solar cells. However, manufacturing them is not cheap. Over 50 percent of the pure silicon used is machined into dust. A new manufacturing technique puts an end to these material losses, with raw material savings of 50 percent along with an 80 percent reduction in energy costs.