What is the most useful invention made recently

1. Running low on battery? Put your phone on Airplane mode and it'll charge much faster! 2. Storing batteries in the freezer can up ...

Traffic light with a wait-meter:  There is nothing more frustrating to stand, waiting for the green traffic light to come on so you can cr...

Coosno :-   First on our list today is this invention I came across o the internet. It is a newly invented smart coffee table, and on...