from the build-it-for-us dept.
coondoggie writes "NASA today said it was looking into developing two new Centennial Challenge competitions that would let the public design, build and deliver small satellites known as Cubesats capable of operations and experiments near the moon and beyond. The first challenge will focus on finding innovative ways to allow deep space communications with small spacecraft, while the second focuses on primary propulsion for small spacecraft."
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals