1.   After building the circuit, connect the battery.

2.   No additional components are needed to build this circuit.

3.   Think the operation through before actually building the circuit.

4.   But the researchers have found a way to build circuits using chemical processes rather than light, making the switches as small as a molecule.

5.   Baker said FIA, the sanctioning body of Formula One, is behind the project and would grant Las Vegas a race if the circuit is built.