Aspen Aerogels is selling aerogels--a high-tech insulating material used in oil and gas pipelines and in aerospace--to retrofit older homes to be more energy efficient. Martin LaMonica is a senior ...

What's nanotechnology done for you lately? You know, nanotechnology, the science of manipulating the atomic structure of materials on a scale of a nanometer (one-billionth of a meter)? This is the ...

Q: I inherited a concrete block building that was then converted into a home several years ago. Part of it has a crawlspace and part is on a concrete slab. The crawlspace is always damp, and the ...