This is a spacecraft of the 21st century!
The world's smallest spacecraft: The world's smallest spacecraft: satellite-on-a-printed circuit board #PCBSat #Space #SpaceExploration #BreakthroughStarshot #KickSat #Sprites #StarChip #nanosat #nanoprobe #Horizon_12030 
Chic article. I learned a lot of interesting and cognitive. I'm screwed up with you, I'll be glad to reciprocal subscription))