Basically , these were the sketches for our advance projector design . The projector would be hung on the ceiling that near to the wall . Once the projector was switched on , the wall would be changed into the background which related to the lesson of the students had on that day .
Besides that , there was a device on the glass panel on the table which was connected to the projector as what were taught by the teacher would be shown on the glass panel . This was the advantages of the combination of the advance projector and the glass panel as the students needed not to keep focusing on the whiteboard . Now , they had their own screen on the table !
Well , this was the futuristic classroom view . The glass panel was fixed on the table surface and the HUD was shown on it ! The galaxy background on the wall has shown the function of the projector as it could be changed anytime .
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