The idea that all moving particles have wave characteristics is a fundamental principle in quantum mechanics. This concept was first proposed by Louis de Broglie in 1924, and has since been confirmed by numerous experiments.

Here's a breakdown:

* Quantum mechanics is the theory that describes the behavior of matter and energy at the atomic and subatomic levels. It differs significantly from classical physics, which describes the behavior of macroscopic objects.

* Wave-particle duality is one of the key concepts in quantum mechanics. It states that all matter exhibits both wave-like and particle-like properties.

* De Broglie's hypothesis states that all matter has a wavelength that is inversely proportional to its momentum. This means that even macroscopic objects have a wavelength, though it is extremely small and usually undetectable.

Therefore, according to quantum mechanics, all moving particles have wave characteristics. This idea has been widely accepted by physicists and has been experimentally verified.

It's important to note that:

* Wave-particle duality is a complex and subtle concept, and there is no simple, intuitive explanation for it. It's best understood within the framework of quantum mechanics.

* The wave-like nature of particles is not always observable. It is only noticeable when dealing with phenomena at the atomic and subatomic levels.

In summary, the idea that all moving particles have wave characteristics is a cornerstone of modern physics, supported by extensive experimental evidence and accepted by the scientific community.