CubeSats—low-cost satellites no bigger than loaves of bread—may hit the big time...

CubeSats—low-cost satellites no bigger than loaves of bread—may hit the big time as affordable research tools, experts say.


Bread-Loaf Size Satellites to Probe Atmosphere, Deep Space
news.nationalgeographic.com
CubeSats hitchhike as secondary cargo on launch vehicles, giving them an economic advantage over conventional satellites.

Source: National Geographic's Facebook Wall