Once stuck, the nanotubes remain held together by molecular forces even when the voltages are turned off.
There is also friction due to molecular forces holding the wheel to the surface.
Gravitation: with explanations of planetary and molecular forces as a sequel to his 1851 book.
His research has involved study of molecular and interfacial forces.
This is because solids, liquids and gases are each held together by different levels of molecular forces.
But it turns out a crystal is just the way molecular forces arrange themselves in solid form.
The problem is to explain these continuum concepts in terms of molecular forces and motions.
The separation of different molecular forces at the beginning of the droplet formation.
Human bodies are held together by molecular binding energy-electromagnetic forces.
Then, like some unstoppable molecular force, the manic energy starts to return.