Invented by 14 year old kids. Boy do they start at a young age. :wink:
http://bgr.com/2015/06/24/smart-condom-std-detection-color-change/
http://www.dailymail.co.uk/sciencet...esign-smart-contraceptive-detect-disease.html
http://bgr.com/2015/06/24/smart-condom-std-detection-color-change/
http://www.dailymail.co.uk/sciencet...esign-smart-contraceptive-detect-disease.html