Learn how to tie the Tom Fool’s Knot to make your mask ear loops adjustable and comfortable. This easy-to-follow tutorial ensures a perfect fit every time, reducing strain and improving wearability.

This racing car can go from 0 to 100 km per hour in 3.9 seconds! It runs on electric power and has been built completely by students at Indian Institute of Technology (IIT), Madras. Members of team ...