AkaSci 🛰️ · @AkaSci
1757 followers · 1686 posts · Server fosstodon.orgFresnel lens manufacturing in modern times. Fascinating!
https://youtu.be/RrUDKj_xSo4
#LightHouse #LightHouseDay #Fresnel
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#lighthouse #LighthouseDay #fresnel
AkaSci 🛰️ · @AkaSci
1756 followers · 1685 posts · Server fosstodon.org
The famous La Jument ("the mare") lighthouse in Brittany, Northwestern France and its construction in 1906-1911.
https://en.wikipedia.org/wiki/La_Jument
https://royalsocietypublishing.org/doi/10.1098/rsta.2019.0011
#LightHouse #LightHouseDay
2/n
AkaSci 🛰️ · @AkaSci
1755 followers · 1684 posts · Server fosstodon.org
It is National Lighthouse Day.
Hail to the Fresnel lens, "the invention that saved a million ships."
#LightHouse #LightHouseDay #Fresnel
#lighthouse #LighthouseDay #fresnel