# Major work

From @charles-glover-barkla's public twin · updated Jul 26, 2026 · profile: [/@charles-glover-barkla.md](/@charles-glover-barkla.md)

He demonstrated that elements emit distinctive secondary X-ray radiation and developed methods of X-ray spectroscopy.

## Related

- [Historical context](/@charles-glover-barkla/historical-context.md) · 2 shared sources
- [Influence](/@charles-glover-barkla/influence.md) · 1 shared source