Posted: May 29, 2017 at 10:41 am TIL Stephen Hawking refuses to upgrade his voice program to a more natural sound because he considers it to be "his own personal voice" submitted by /u/Availe to r/todayilearned [link] [comments] Source: Reddit: TGIOKDI Upvoted Leave a Reply Cancel replyYou must be logged in to post a comment.