when I tried the Tachyon demo on my PC, the screen went black. for about 7 seconds I saw a 'busy' mousepointer, then it changed to the normal mousepointer. Nothing more happened after that.
Eventually alt-tabbed out of it and was able to kill the task.
Intel Core 2 Duo E6600 (dual 2.4GHz), 2 GB, ATI X1650XT with 256MB
Eventually alt-tabbed out of it and was able to kill the task.
Intel Core 2 Duo E6600 (dual 2.4GHz), 2 GB, ATI X1650XT with 256MB