You have tweezers?

I've got tweezers.

Host guest chemistry is observed in inclusion compounds, Intercalation compounds, clathrates, and molecular tweezers.

An example of a DNA machine was reported by Bernard Yurke and co workers at Lucent Technologies in the year 2000, who constructed molecular tweezers out of DNA.

See also Acoustic tweezers Optical levitation Radiation pressure Electrostatic levitation Magnetic levitation Aerodynamic levitation Buoyancy References External links McGraw Hill AccessScience Acoustic radiation pressure A Multi Transducer Near Field Acoustic Levitation System for Noncontact Transportation of Large Sized Planar Objects Live Science Scientists Levitate Small Animals