Researchers from the University of Missouri submitted a tiny nuclear batteries that generate energy through the disintegration of radioactive isotopes. Although these batteries are currently used in devices such as pacemakers and satellites, they are quite expensive, large and heavy, unlike the new battery the size of a coin (note: the picture beside the battery charged at 1 penny coin with a diameter slightly larger centimeters).

The research team led by Dr. Jae Wan Kwon (Jae Wan Kwon), Associate Professor Department of Electrical and Computer Engineering at the University of Missouri, has created a battery, a wonderful not only in size, but also used in semiconductors, liquid, not solid. "The critical feature of the use of radioactive batteries is that when you get the energy of the radiation can cause damage to the lattice structure of solid semiconductors", ─ says Kwon. ─ "With the help of liquid semiconductors, we can minimize this problem."

And what about the danger of a nuclear reaction? This was no danger. While the battery is working on atomic energy, it does not have any chain reaction, instead it uses a radioactive isotope. "People hear the word 'nuclear' and think that it is very dangerous", ─ said Kwon. ─ "However, the nuclear energy sources are already providing food security of various devices such as pacemakers, space satellites and underwater systems."

The team now hopes to increase the power of nuclear batteries, and even more to reduce its size. Theoretically, such a battery can be thinner than a human hair.