- Reaction score
- 35
- Points
- 560
In Technology review, there is a short article outlining developments in sensor technology adapted from radio frequency identification (RFID) tags. Like the ones in the store, they are powered by the radio energy emitted from a RFID reader, but rather than just triggering the security alarm, the devices can have various sensors attached. Now in the current form, these tags need to be within a metre of the reader to power up and transmit data, but in time the sensitivity of the chips can be increased and the power requirement decreased so potentially the chips could be scattered by an artillery shell or scattered by patrolling soldiers, then activated and read from a distance by a remote sensor (perhaps carried by a micro UAV or mounted on a surveillance vehicle). An interesting line of research with lots of potential uses.
http://www.technologyreview.com/read_article.aspx?ch=infotech&sc=&id=16864&pg=1
http://www.technologyreview.com/read_article.aspx?ch=infotech&sc=&id=16864&pg=1