WHAT'S ON
WATCH
CHANNELS
UPDATES
PEOPLE
LOG-IN
Channels
BBC FOUR
How to Make: The Toothbrush
2023-03-29-0025
Forum
How to Make: The Toothbrush
BBC FOUR
Wednesday 29 March 2023 00:25 - 01:25 (60 mins)
2/3. Designer and materials engineer Zoe Laughlin explores the science - and conducts her own experiments - behind creating a more sustainable solution for brushing our teeth. Also in HD. [S]
How to Make: The Toothbrush may be available on
playback
Dvber 2024