I don’t know if your remote control batteries could last for a year. If it still work, then you must be lucky. How about our Cell phones? Forget about it. But in this clip, here is the Oxford Electric Bell. It is battery powered and it is one of the world’s oldest experiment. Its battery is mysterious and so amazing. So amazing that Guinness Book of World Record consider it as world’s most durable battery. If you ask why it does called that way, the reason that still working after 176 years! Watch this clip to know the whole story. Enjoy.