Embracing wave-particle duality helps us to come to terms with the strange results of the double-slit experiment, but it leaves us with a very confusing picture of what an electron actually is.
Electrons – Waves or Particles?
The Only Mystery of Quantum Mechanics
"It is absolutely impossible to explain in any classical way and has in it the heart of quantum mechanics. In reality, it contains the only mystery." - Richard Feynman
The Platonic Realm 