The end of the third paragraph in the History section Aniseliqueurs have the interesting property of turning from transparent to cloudy when added to water the oil of anise remains in solution in the presence of a high concentration of alcohol , but crystallizes when the alcohol concentration is reduced this is known as theouzo effect . <| sep |> You might want to consider sticking with an Nvidia card . Nvidia is actively developing their cards for VR optimization . For example , Serious Sam just announced that they ' re the first VR game to utilize Nvidia ' s VR SLI . I ' m running a 970 and still have some issues with the more intense VR games at the higher settings . A GTX 1070 or 1080 will put you in the VR sweet spot and get you through 2017 easily .