abstract:Harsha Vardhana (Sanskrit: हर्षवर्धन) (c. 590–647), commonly called Harsha, was an Indian emperor who ruled northern India from 606 to 647 from his capital Kannauj.
"There's conflicting evidence" on whether hands-free cell phone conversations would be as unsafe as those by hand-helds, Harsha said, adding that more "definitive research" is needed.