So some rocks are radioactive because they have radioisotopes in their nuclei. Also they may have radon gas trapped in their crystals if they are igneous rock. They could also be radioactive due to the fact that the atom of the rock is unstable.
Connecting USB Devices Manually. Choose VM > Removable Devices to connect specific USB devices to your virtual machine. You can connect up to two USB devices at a time. If the physical USB devices are connected to the host computer through a hub, the virtual machine sees only the USB devices, not the hub.
You want a virtual clone or the C drive taken to the external drive. If you do it the old fashioned way by copying C:\ to E:\ make sure you copy all hidden files and folders. view entire post. I have just bought and external hard drive 325GB which is great as i have very very little space left on my old C Drive.