Casimir Effect

Scientists are often astonished observing the moment of things around, on their own with no visible force acting on them. 
When two mirrors which are later called the Casimir plates, placed in a strong box maintaining one-atmosphere pressure at 100 nanometers apart move towards each other with no well-known forces between. Here comes the Casimir effect into the picture.
This was discovered by Hendrick Casimir in 1948 and named after him.

To understand the Casimir effect we have to first know these bullet points:

• Heisenberg's Uncertainty Principle proposes that both the position and momentum of a subatomic particle cannot be determined simultaneously.                                                                                                                                                   And also energy and duration cannot be predicted simultaneously. Thus particles don't have both nill energy and duration. Therefore particles that don't exist can even have a high chance of having huge energy causing duration and forcing them to exist for a very short period. These are called virtual particles which further turn up into matter and antimatter to annihilate rapidly.
• Wave-Particle Duality says us that particles can turn into waves and again into their particle nature.
• Stationary wave theory tells us that only a finite number of waves can exist in closed space which is generally termed as Harmonics.
• Infinities are distinct which means decimal infinities are greater than real number infinities. Thus a number of waves exist outside the mirror
• Force exerted is generally defined to be the change in momentum times the inverse of time. We know that there are a number of virtual particles outside the Casimir plates than in between and thus they exert more force than the particles in between them.                                                                                                                                                                                                                  And hence the Casimir effect is explained in the simplest way possible. For more deeper learning about this topic can visit  https://iopscience.iop.org/article/10.1088/1367-2630/11/1/013055/pdf           http://www.scielo.br/pdf/bjp/v30n2/v30n2a12.pdf                                                                                                                                                                                                                                                    Physics is always interesting and turns us wide-eyed and explore the infinities of existence.