Valve Secretly Leaked Left 4 Dead 2 Trailer to Bypass ESRB Restrictions
Former Valve writer reveals the studio intentionally leaked the Left 4 Dead 2 trailer in 2009 because the ESRB refused to approve…
Tag: History
Historic Deep-Space Maneuver: How Mariner 2 First Steered Itself in 1962
On Sept. 4, 1962, NASA's Mariner 2 executed the first mid-course correction in deep space, ensuring its successful flyby of Venus eight…