1950s: Illustration of battery with wires and text. Animated demonstration of electrons moving along closed circuit. Illustration of copper atom.

1950s: Animated diagram of copper atoms and electrons. Hands remove battery from flashlight. Steam rises from electric power station. Animated diagram of copper atoms.

1950s: Animated diagram of copper atoms. Electrons move between atoms. Electrons repel other electrons and move between atoms.

1950s: Illustrated copper atom and electron with text. Animated electron is added to copper atom and text disappears. Diagram of atoms in copper. Animated electrons move around atoms.

1950s: Illustrated copper atom. Electron is removed from atom and text appears below. Text appear beneath lone electron.

1950s: Illustrated atoms of copper, hydrogen and uranium with text. Animated electrons shift between atoms.

1950s: Illustrated atom. Signs and arrows appear over atom. Balloon with tag filled with hydrogen. Illustrated representation of hydrogen atom.

1950s: Illustration of copper atom with text. Electron is removed from copper atom. Text appears beneath electron. Electronics store display window.

1950s: Illustrated copper atom with sign. Illustrated atoms of copper, hydrogen and uranium with text.

1950s: Illustrated representation of an atom. Illustrated nucleus of atom. Animated electrons spin around nucleus of atom.

A company by the name of Zap Energy is trying to find a way to develop more energy output from fusion reactions.