Why did Max von Laue champion experimental verification?
The history of physics is replete with theoretical edifices that crumbled under the weight of empirical evidence. For me, the ultimate arbiter of any scientific claim must be the observable world. While mathematical elegance and theoretical coherence are important goals, they are insufficient on their own. A theory must not only be logically sound but also be capable of being tested against reality. My own work on X-ray diffraction exemplifies this approach. The theoretical framework of wave phenomena was already established; what was lacking was direct experimental proof for X-rays. The crystal diffraction experiments provided that crucial link, transforming a hypothesis into a validated scientific fact. Without this grounding in the empirical, physics risks becoming mere abstract speculation.
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