THE BEST AND THE WORST INVENTIONS Until today many things have been invented and between these inventions have many gook inventions that change our life like example: The internet, but also have the bad inventions like Hydrogenated. Today between bad inventions the worst invention of all is plastic bag, because it make polution a lot and many people don't know to use with consciousness and discarted it whatever way killing our planet. However the best invention today is 3D impressor because it can make many difficult things with a little time and cheap. This technology can help many people in diverses forms like prostheses. Thus each invention has your importance, some are great others good or others bad.