Fun Fact

NASA’s Curiosity rover sang “Happy Birthday” to itself on August 5, 2013, to celebrate its first anniversary of landing on Mars. The rover “sang” by making noises at different frequencies.

Testimonial

"From the first stage of the sales and specification process, to the final stage of delivery and invoicing, PSG delivers. We always know what to expect, know where our project is in its development timeline, and know that PSG will ask the intelligent questions necessary to deliver work that meets the needs and expectations of our customers." Editorial Director, K-12 Supplemental Publisher