Could this VR aroma device be the future of 4D smell-o-vision cinema?

Team in Hong Kong and mainland China says small wireless odour generator can be attached to the skin under the nose or worn as a mask. Researchers suggest scents could also be used in medicine and education as well, helping people trigger memories and communicate. — SCMP

Scientists in Hong Kong and mainland China have developed a wearable device to release aromas as cinema-goers enjoy a 4D movie, students learn about a new plant or doctors help patients recall memories.

The small wireless virtual reality (VR) system can be attached to the skin under the nose or worn as a mask.