A collection of BBC and other programming is available through Box of Broadcasts. These include, for example,

• Stephen Fry’s 2011 Radio 4 series, On the Phone, tracking the development of mobile phones
• Design for Life (Philippe Starck, BBC 2009).
• TED lectures (www.ted.com) are also packed full of ideas.
• Rob Penn’s, Ride of my Life Ride of my life
• Professor Mark Miodownik’s Everyday Miracles James May’s, The Reassembler is compelling, too.