The Znamya project had the potential to change the world. The BBC's Tomorrow's World reported on an experiment that was ...

This is too bold an Inference, and the following experiment shows ... in the shell look at the mirror as if this were some distant object. While you are so doing, the concave shell will suddenly ...

A concave mirror reflects a real, inverted image of a light bulb filament ... Ask the class what will happen if an index card covers part of the filament, and then do that experiment. Ask the class ...

A concave mirror projects the image of a lit candle. A hand or small metal sheet can be used to block parts of the candle or mirror to test knowledge of image formation. If you have any questions ...