Pepper's ghost
An illusion that reflects an image on angled glass or foil so it appears to float in space.
Often marketed as ‘hologram’ projection; it dates to the 19th century and is still used in museums and concerts.
Related terms
- Holographic gauze (scrim)A fine mesh fabric that catches projection while staying semi-transparent.
Put it into practice: throw-distance calculator · lumens calculator · intro to projection mapping