Hmmm.. Nanotechnology is visible all over the Kaajal... age old cosmetics that is now the basis of further Nanotechnology efforts in India! Indian women for ages have been using kaajal as eye liner without knowing that it is a product of high technology. Now scientists are talking about commercialising the process. Scientists at the Indian Institute of Technology in Kanpur have shown that kaajal actually contains carbon nanotubes (CNTs). These objects, much thinner than the human hair, have strange properties and are considered the building block of ultra-small (nano) electronic and other devices. Read more