Researchers Develop Star Trek-Like Skin Gun That Heals Wounds Instantly

You read that right, NASA has partnered with GRoK Technologies to build a device called BioReplicates, which creates 3D human tissues in a manner similar to how the dermal regenerator works in Star Trek: The Next Generation. In other words, this device can be used to almost instantly heal minor injuries like cuts or burns to the skin by regenerating cells quickly.

Source: http://www.technovelgy.com/ct/Science-Fiction-News.asp?NewsNum=2008