The cartridges are not mentioned in that article. I saw them on a television program. They so strongly resembled rows of schoolchildren sitting at their desks, that I half expected a bell to ring before the bees put their textbooks away and go on to learn another scent.
The commercial product is the VASOR136 by Inscentinel Ltd.
The commercial product is the VASOR136 by Inscentinel Ltd.
https://www.sheffield.ac.uk/polopoly_fs/1.269373!/file/Sniff...