Anomalous Materials - The Science Behind Half Life 2

escapistmagazine.com — "To its credit, Valve's writing staff appears to be fully aware of the humor inherent in Gordon's highly low-tech exploits. In HL2, for example, Barney jokes about Gordon's education while the player performs the difficult task of flipping a switch. But beneath this running gag, the Half-Life series (and its crazy little sister, Portal) betrays a k