Em 1.905, publica “Annalen der Physik”, trabalhos sobre eletrodinâmica, as dimensões moleculares, equivalência entre a massa inerte e a energia, o fenômeno fotoelétrico e os primeiros esboços sobre a Teoria da Relatividade
In 1905, publishes "Annalen der Physik", papers on electrodynamics, the molecular dimensions, equivalence between inert mass and energy, photoelectric phenomenon and the first sketches about the theory of relativity
In 1905, he published "Annalen der Physik", work on electrodynamics, molecular size, equivalence between inert mass and energy, the photoelectric phenomenon and the first sketches on the Theory of Relativity