And although they were widespread in schools in the 1990s, today 71 per cent of children are unfamiliar with overhead projectors.
High-performance projectors and a wide, curved screen provide a fully immersive experience for students learning about the structures of ancient Egypt.
Another lighting problem, brought about since the introduction of data projectors into classrooms, is glare reflecting off the projection screen into pupils' eyes.
Bluetooth technology which apart from Ericsson, has gained the support of Nokia, IBM, Toshiba, Intel and many other manufacturers eliminates the need for wires, cables and connectors for and between cordless or mobile phones, modems, headsets, PDAs, Computers, printers, projectors, local area networks, and so on, and paves the way for new and completely different devices and applications.
