invention

Here's the video of the invention:

Individual Foldscopes, as Dr Prakash dubs them, are printed on A4 sheets of paper (ideally polymer-coated for durability). A pattern of perforations on the sheet marks out the 'scope's components, which are colour-coded in a way intended to assist the user in the task of assembly—for the Foldscope has no written instructions to guide, or possibly frustrate, the user.

The world's first-ever smartshoe is called Le Chal, which means "let's go" in Hindi. Designed by Anirudh Sharma, who works at the MIT Media Lab, and Krispian Lawrence, these shoes work as haptic navigation devices that connect to your smartphone.

The basic idea is pretty simple. You simply tell your phone where to go using the app's voice recognition software, and the app uses GPS to plot the course from your current location. Once you're on your way, the shoes vibrate when it's time to turn—on the left side for a left turn and on the right for a right turn. The vibrations become more intense as you get closer to your destination.