Lonely voice of a molecule. Researchers have connected together an optical microscope with the tunneling microscope, so we can simple to see and feel object of research simultaneously.

 

If during scanning in a spot of light will appear the molecule, which is interesting for us, then she will start to give a signal, but the signal will be very weak, we cannot notice he. But as soon as the molecule will appear close to nano-particle of silver on a spike of a needle - sonde, then the signal from it will increase repeatedly and becomes quite measurable