A projector includes: an image forming unit that forms a projection image; a detection unit that detects a condition at a projection surface onto which the projection image is projected; a correction unit that corrects a source image based upon the condition at the projection surface to obtain the projection image; and a projection unit that projects the projection image. The photon source produces photons having predetermined energies and directs the photons toward a specimen being tested. The device also can have a support plate that can move vertically on a set of rails or other structure attached to the cart. After the additional processor authenticates the request and determines that the first and second processors have indicated a mutual consent for enabling one or more tunnels between the first and second processors, the additional processor may provide the second virtual address to the first processor to enable the requested tunnel between the first and second processors. To thermally treat the tissue, the surgical device can be configured to include a structure for enveloping and receiving at least a portion of the surgical device, where the structure is configured to control thermal energy transfer between the structure and the tissue.