Can dark matter form a black hole, as regular matter can?
If so,would there be a detectable difference (from our reference point) between the two types of black holes?
And would the singularity at the center of the DM black hole not interact with regular matter, except gravitationally?


There's a lot of hostility swirling around Foxconn these days. First, 












5.) DO IT.
Not to be upstaged by the TL500, the Samsung TL350 point-and-shoot offers its own unique bag of goodies: it shoots RAW, shoots video up to 1000fps, has an AMOLED display, and can capture 10MP stills while shooting 1080p video.
Samsung has updated their 