Some of our daily life products are invented accidentally but we dont know about them . recently i came cross video which explains about these inventions
https://www.youtube.com/watch?v=Vd5VjCA9LbQ
![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
https://www.youtube.com/watch?v=Vd5VjCA9LbQ