More good news on batteries! For that, we have to thank two forgetful scientists who, one day, forgot to follow the protocol of their own research in an MIT lab. Now, they have accidentally found out how rechargeable batteries can get a much improved lifespan. Geek has an interesting story about what went wrong—or should we say, what went right—at the lab. It wouldn’t be the first time a scientific breakthrough happens by accident. Remember how penicillin was discovered?