For the first time in the US, a rotating detonation rocket engine takes
flight
-
"Hypersonics is one of the critical technologies to remain ahead of our
national competitors."
1 hour ago
24 November 2009
sudarsan pattnaik and his sand sculptures
As an impoverished child in Orrisa, India, Sudarsan Pattnaik would go to his local beach and build sand castles. His hobby eventually made him famous and wealthy. more
====
Subscribe to:
