[Molecular science is] one of those branches of study which deal with things invisible and imperceptible by our senses, and which cannot be subjected to direct experiment.
In: W.D. Niven (ed.), The Scientific Papers of James Clerk Maxwell (Volume 2)
[Molecular science is] one of those branches of study which deal with things invisible and imperceptible by our senses, and which cannot be subjected to direct experiment.
In: W.D. Niven (ed.), The Scientific Papers of James Clerk Maxwell (Volume 2)