The real reason microwave doors have dotsTo play this video you need to enable JavaScript in your browser.This video can not be playedThe real reason microwave doors have dotsCloseListen to the full episode on BBC Sounds.SubsectionTechnologyPublished11 NovemberShareclose panelShare pageCopy linkAbout sharingRelated topicsfoodFollow foodclose panelYou are now following foodUpdates from your News topics will appear in My News and in a collection on the News homepage.Read description