‘Digital smell’ technology could let us transmit odors in online chats

Having a video chat with a friend or colleague is all about seeing and hearing — at least for now. But experiments conducted recently in Malaysia suggest it may be possible to develop “electric smell” technology capable of conveying odors as well as sights and sounds.
The research is preliminary and not without its critics. But if electric smell pans out, long-distance conversations could one day be far more immersive — enabling you to share with a loved one th