As part of the ECE 476 Microcontroller Design course at Cornell University, two students have taken the game of Pong and added a new twist. This version of Pong can be played on any flat surface using two laser-sensing paddles and a laser projector that projects the Pong ball. The entire project only set the duo back $48. Hit the link below to get all of the nitty-gritty details about the game, how it works and even videos of the two designers—Adrian Wong and Bhavin Rokad—playing the game. Nice work guys.

Home Soda Makers

Making carbonated water and soft drinks is simple! Turn tap water into sparkling water in under 30 seconds, with no clean-up. Enjoy the freshness and convenience of homemade soda and protect the environment at the same time. No heavy bottles to carry, store at home or throw away. Fizz to your taste and add the flavor of your choice to make your favorite drink. Simple to clean and reuse. With a variety of colors and silhouettes, you’ll be sure to find a soda maker to match with any decor.

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Assuming your car has a mug holder, it’s an unexpectedly clever and useful design. But it is also $30.

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