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?

A new series of non-fullerene acceptors with asymmetric branched alkyl chains are developed to achieve more than 20% efficiency organic solar cells. Improving the durability of perovskite solar ...