Time - International (2019-12-02)

To read more about TIME’s

Best Inventions, go to

time.com/bestinventions2019

Every year, TIME highlights inventions

that are making the world better, smarter

and even a bit more fun. To assemble

our latest list, we solicited nominations

and evaluated them on key factors,

including originality, effectiveness,

ambition and influence.

This is the result.

PHOTOGRAPHS BY JOE LINGEMAN FOR TIME