We’ve all seen, and occasionally wrestled with, bill acceptors like the one [Another Maker] recently liberated from an arcade machine. But have you ever had one apart to see how it works?

We’ve all seen, and occasionally wrestled with, bill acceptors like the one [Another Maker] recently liberated from an arcade machine. But have you ever had one apart to see how it works?

Recently, a research team led by Professor Jiang Changlong at Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences, developed a new donor-acceptor (D-A) type fluorescent dye ...

Previous analyses have shown that eYFP yields detectable emission in the 400–500 nm range under particular conditions 5. Our results extend these studies by showing that photobleaching of eYFP ...