3 ms·Rubidium Can Be More Than a Lithium Cast-Off6 points by abe94 2y agozafka 2y agoI think that this is a pathway to some great new technology. When these raw materials drop a little in price and attract the attention of the very curious, good things can happen.abe94 2y agoyeah pretty cool to see how they can better use a by-product of lithium extraction