1.   But when the key question in this election year was asked, electronic tongues tangled.

2.   In addition to testing new food and drink products, the electronic tongue may someday speed up standard medical tests.

3.   Now researchers at the University of Texas in Austin have designed an electronic tongue that works along the same lines.

4.   The electronic tongue uses chemical sensors that could soon be used to monitor the quality of bottled mineral water.

5.   The electronic tongue could monitor the quality of simple solutions, says John Warburton, a director of Neotronics Scientific, based in Essex, England.

6.   What would you do with an electronic tongue?