Nov 17, 2023Liked by Étienne Fortier-Dubois

This is absolutely excellent. I can’t believe how much I learned from this piece that I knew nothing about, thank you so much!

Expand full comment
Nov 20, 2023Liked by Étienne Fortier-Dubois

Geissler tubes feature prominently in my book The Three Locks, a Sherlock Holmes Adventure published by HarperCollins. As a celebration, my scientist husband gave me a Geissler tube for my birthday that it up red. Fabulous!

Expand full comment
Nov 19, 2023Liked by Étienne Fortier-Dubois

Once again, very enlightening 💡

It is also a reminder that everybody can contribute to the advancement of technology, even if they did not study in science or engineering.

Expand full comment