The Lambda Sign???

[Shake Zula]

What significance does this sign have?
I thought it was just the logo for HL, but it's part of Black Mesa, and it is in the pshyce video for HL2... what is so special about that sign?

 

[Jadewolf5675]

http://www.halflife2.net/forums/showthread.php?t=24038

Use the search function next time.

 

[Shake Zula]

aite, thx, sry bout dat.

 

[Jadewolf5675]

Happens all the time