Stephen Hawking's Voice and the Machine That Powers It

July 30 -- Bioengineering the Senses: A closer look at tech on the frontiers of medical science. Today we look at the machine behind physicist Stephen Hawking -- and how smartphone technology is helping him communicate. -- Subscribe to Bloomberg on YouTube: http://www.youtube.com/Bloomberg Bloomberg Television offers extensive coverage and analysis of international business news and stories of global importance. It is available in more than 310 million households worldwide and reaches the most affluent and influential viewers in terms of household income, asset value and education levels. With production hubs in London, New York and Hong Kong, the network provides 24-hour continuous coverage of the people, companies and ideas that move the markets.