09:32CrowdScienceWhat is white?BBC World Service Duration: 28 minutes Mon 22nd Aug 2022, 09:32 on BBC World Service East AsiaAvailable for over a yearListen nowCrowdScience explores what makes an object appear white. Show more GenresFactualScience & NatureScience & TechnologyFormatsDiscussion & TalkBrandCrowdScience Source: BBC Online