New advance in touch screen technology announced

The video discusses a new interactive computing technology developed at Bristol University, featuring a fog screen and touchscreen tabletop. This technology allows users to interact with 3D and 2D images, moving them between a mist wall and a tabletop. It is designed for collaborative activities and has potential applications in education. The technology is set to be presented at a conference in Toronto, and while it is still a prototype, it could be available in shops in about five years.

What is the main purpose of the touchscreen tabletop developed at Bristol University?

How does the technology allow users to interact with images on the screen?

What is the significance of the presentation of this technology at a prestigious conference?

What potential applications does the teacher see for this technology in education?

What challenges does the speaker mention regarding the availability of this technology in shops?