Questions with the keyword 'invention'

• What’s one thing you should be invented in the next 100 years? thaks by 585nepk47 to Ed, Kerrianne, Nina, Oli, yoyehudi Comments: (No comments so far )
• have you invented anything? or are working on inventing something? by 977nepk48 and 1 other. to Ed, Kerrianne, Nina, Oli, yoyehudi Comments: (No comments so far )