Ironically, he gets mounted by another headcrab right behind his back while celebrating his victory too early. With a little bit of Gallows Humor, there's a part where a scientist manages to stop a headcrab by smashing it with a monitor.Sort of like how Kleiner didn't know if Gordon was alive or dead until he saw him. And then, of course, there's Kleiner's aforementioned "Schrödinger's cat" comment, referring to a famous thought experiment that involves a cat in a box simultaneously being alive and dead until observed.Another says, "By Becquerel's ghost! The radiation levels are off the charts!" A becquerel (named after Henri Becquerel) is a unit of radioactivity.
One says, "Maxwell's demon! It's cold in here!" Maxwell's demon is a thought experiment that involves a hypothetical "demon" making one side of a container hotter and the other colder * ( without additional energy input, thus decreasing entropy in an isolated system and violating the Second Law of Thermodynamics).Other such jargon-y expressions are used by various scientists - and as a Genius Bonus, they all have something to do with what the scientist is commenting on:.