"It's an interesting concept and it certainly provides a potential value for timing and alerting people to take a break, " David Rempel, Director of the Ergonomics Program at UC Berkeley and Professor of Medicine at UCSF, told Wired.

CNN: Computer monitor uses sensor to promote better posture

It's now set for launch in 2017, when it will be joined by the Neutron Star Interior Composition Explorer (NICER), an addition to the International Space Station also selected as part of the Explorer program last week that will use a process called X-ray timing to study neutron stars.

ENGADGET: NASA gives planet-hunting TESS space telescope go-ahead for 2017 launch