From The Stargate Omnipedia
Chimera Optics Projection System
Fully functioning Asgard
hologram system. Three scanners are mounted on tripods and triangulated, allowing multiple objects to be projected virtually. The first "demonstration" of the technology was in the form of the Asgard Thor broadcasting himself onto Inside Access
with Julia Donovan
In an attempt to fake a "process of development" with the technology, Colonel Samantha Carter informed the Applied Technologies 2007 conference that further research and development of the hardware "has provided longer range, better verisimilitude and more control over image projection."
Bounty - Fulfilling her promise to the world that projection technology is on its way, Colonel Samantha Carter demonstrates the first human equivalent of Asgard holographic technology to the public almost three years later.