News tagged with air

Related topics:

The underestimated risk of ethanol fireplaces

Ethanol fireplaces are becoming more and more popular. However, they are not only highly combustible – in the past, severe accents have occurred repeatedly with decorative fireplaces. The devices also pollute ...

Sep 01, 2014
4.3 / 5 (3) 2

Cutting emissions pays for itself, research shows

Lower rates of asthma and other health problems are frequently cited as benefits of policies aimed at cutting carbon emissions from sources like power plants and vehicles, because these policies also lead ...

Aug 24, 2014
4.4 / 5 (23) 5

Image: Testing electric propulsion

On Aug. 19, National Aviation Day, a lot of people are reflecting on how far aviation has come in the last century. Could this be the future – a plane with many electric motors that can hover like a helicopter ...

Aug 20, 2014
5 / 5 (2) 2