Latest Mahmooda Sultana Stories
NASA Tiny sensors -- made of a potentially trailblazing material just one atom thick and heralded as the “next best thing” since the invention of silicon -- are now being developed to detect trace elements in Earth´s upper atmosphere and structural flaws in spacecraft. Technologist Mahmooda Sultana, who joined NASA´s Goddard Space Flight Center in Greenbelt, Md., two years ago and has since emerged as Goddard´s go-to expert in the development of graphene-based...
- A large punch-bowl of the eighteenth century, usually of silver and with a movable rim, and decorated with flutings and a scalloped edge. It was also used for cooling and carrying wine-glasses.
- A kind of cotton handkerchief having white spots on a colored ground, the spots being produced by a chemical which discharges the color.