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A fog display, fog screen, vapor screen or vapor display is a system that uses haze machines or water vapor to create a semi-transparent wall, or “curtain” of suspended particles which trapped in a thin sheet (Laminar Flow) of air and are illuminated by a projector, in order to produce a display whose images seem to float in mid air. Several commercial such systems exist, such as FogScreen, Displair and Heliodisplay.

The War

The war is not meant to be won, it is meant to be continuous. – George Orwell, 1984

The brightest explosion ever recorded on the moon

A meteoroid crashed into the moon on March 17, producing a flash roughly 10 times as bright as any seen since NASA researchers started monitoring meteoroid impacts on the moon. Meteoroid collisions with the moon are common, but as far as we know they’ve never been this bright before: