Air quality in urban areas can be horrendous. For instance, in New York and Los Angeles the air quality is consistently below federal safety levels. So, how do you know how good/bad the air in your ...

Being able to test the air that you breath on a regular basis is becoming a real thing that people worry about, so if we have to start doing it, of course we're going to find ways to make it so that ...

Describing itself as "the world's biggest show and tell", the website instructables.com features a number of interesting DIY projects. One that caught my eye was 'LED floaties' 'Nak' writes: "My ...