Nanotechnology deals with the understanding, control, and manufacture of matter in the nanoscale regime, usually between 1 nm to 100 nm, and exploiting them for a useful application. At this length scale, unique properties and phenomena arise as a result of increased surface-to-volume ratio and dominance of quantum mechanical effects. …

Atmospheric pollution is a growing problem, particularly in urban areas and in less developed countries.  With half the world has no access to clean fuels or technologies (e.g. stoves, lamps), the very air we breathe is growing dangerously polluted. More than 8 million people around the world die each year …

Spider silk is also known as gossamer. It is a sought-after biomaterial. Spider silk is a protein fiber made in the glands of a spider. This silk is flexible and lightweight. These fibers are waterproof and have a tensile strength similar to that of steel. These fibers can be stretched …