Not sure what your budget is but many projection screens cater for rear projection. Obviously it is not as ideal as front projection but it does no harm really. Screens from Stewart and Avance worthy ...

Sure, this ain't the first multitouch / rear-projection tv hack we've seen, but the thing is still rather novel. Using a 67-inch television, this guy put together a system that utilizes four IR laser ...

Want to build a high-quality DIY projector screen? Check out how I built two 147" screens that look amazing for about $100 each. Products used in this video include: - Carl's FlexiGray Projector ...

I can't get enough of these DIY multitouch projects, in fact I'm hoping that the more companies like Microsoft see that there's demand for large-scale, low-cost touchscreen technology, the more likely ...