India successfully launches first microwave radar imaging satellite RISAT - I CHENNAI- In a precision launch PSLV C19 launch vehicle injected India's first microwave radar imaging satellite ( RISAT - I) into orbit ...
Gideon Sundback, zipper maker First Origin Sweden Google again a surprise in his doodle. Today, Google commemorates the birth of the manufacturer zipper (zipper), Gideon Sundback. On the ma...