The half life of potassium 40 is 1.3 billion years.
No. Half Life: Opposing Force does not require neither Half Life nor Half Life: Blue Shift.
The time it takes for half the atoms in a sample of a radioactive element to decay is called the half life.
I believe that term would be 'half-life'
No, only Half-Life and Half-Life: Decay.
Most likely Half Life Source
Antibiotics do not have a half life.
You say 'I've missed Half my life' which is short for : "I have missed half my life'
Magnetic field doesnot have a half life. Elements have half life.
Buy Half Life: Source Or Buy Garrysmod a Half-Life 2 Modification and get the addon "Half-Life Rennaisance" Link to Half Life Rennaisance: http://www.garrysmod.org/downloads/?a=view&id=57033 Enjoy!
No. Half-Life: Source runs on the Source engine. The original Half-Life doesn't. You cannot use mods made for the original Half-Life on Half-Life: Source because they run on different engines and it won't work.
No
There is no "Half Life 3" If you're talking about Half-Life 2, then no, but you can get Counter-Strike.