Tech Now

Compilation programme: Shiona McCallum has a round-up of the key innovations and trends on show at VivaTech in Paris. Andrew Rogers reviews some of the latest ear defender technology on the market. Yasmin Morgan-Griffiths finds out how new technologies are being used to measure the world's forests in more detail than ever before. And Suranjana Tewari takes us inside a robotics factory in Beijing.

Friday, 4 September 1 airing

01:30