Toothbrush Harder To Build Than Mars Rover Part Is ‘Breakthrough’ In Dental Care, Hong Kong Inventor Says
The Hong Kong inventor who created a space tool for a Mars rover has co-designed a “breakthrough” that he says can revolutionise toothbrushing. Dr Ng Tze-chuen, honorary associate professor of the University of Hong Kong’s faculty of dentistry, and Jin Lijian, professor of periodontology, unveiled their NJ Toothbrush on Monday, which they said is the … Read more