Nikkei Byte has conducted a series of tests to find out the maximum distance in which RFID tags could communicate with a reader, how the communication between the tags and the reader would be affected when the tags are tilted, placed on top of other tags, wrapped in aluminium folds, dipped in water, attached to notebook PC, CD player, beer can, purse or a radish, etc.

The outcome of the tests were sometimes surprising, read more in NE Asia.