A trackpad’s performance can make or break your experience with a laptop and the folks at Google are well aware of this. Working towards the best user experience, the company’s Chrome OS team has assembled the “Quickstep,” a USB-powered machine that uses a laser to measure trackpad latency in Chromebooks. Whenever a person breaks the laser’s beam with their finger, Quickstep calculates the delay between the trackpad and its input.

While it’s not a fancy space elevator, this piece of tech is definitely making the world a better place.

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