FullBandwidth writes: Paper-thin batteries that can be printed onto greeting cards or other flexible substrates have been demonstrated at Fraunhofer Research Institution for Electronic Nano Systems in Germany. The batteries have a relatively short life span, as the anode and cathode materials dissipate over time. However, they contain no hazardous materials.
Economists can certainly disappoint you. One said that the economy would
turn up by the last quarter. Well, I'm down to mine and it hasn't.
-- Robert Orben