Jean-François Le Saux
@jf-lesaux.bsky.social
professeur de physique chimie en lycée, passionné d'astronomie et de science, je m'intérresse au Vietnam, à la photo, l'apiculture, le taichi, le ping, la voile...
Reposted by Jean-François Le Saux
Sunrise and sunset times can be read approximately.
It makes a small sundial (5 cm thick, 10cm diameter) since it's difficult to find a bigger plexiglas cylinder with theses proportions.
The printable disc is generated with a #python script, available here:
www.astrolabe-science.fr/cadran-solai...
It makes a small sundial (5 cm thick, 10cm diameter) since it's difficult to find a bigger plexiglas cylinder with theses proportions.
The printable disc is generated with a #python script, available here:
www.astrolabe-science.fr/cadran-solai...
Cadran solaire plan à réfraction
Un cadran solaire avec de la cartographie dedans… Cadran horizontal Ce tracé de cadran solaire est à placer sous une épaisseur de matériau transparent tel que l’eau, le verre ou encore …
www.astrolabe-science.fr
November 8, 2025 at 1:26 PM
Sunrise and sunset times can be read approximately.
It makes a small sundial (5 cm thick, 10cm diameter) since it's difficult to find a bigger plexiglas cylinder with theses proportions.
The printable disc is generated with a #python script, available here:
www.astrolabe-science.fr/cadran-solai...
It makes a small sundial (5 cm thick, 10cm diameter) since it's difficult to find a bigger plexiglas cylinder with theses proportions.
The printable disc is generated with a #python script, available here:
www.astrolabe-science.fr/cadran-solai...
Sympa la référence au ig’nobel🤣 on peut aussi utiliser des capteurs de radioactivité reliés à des arduinos c’est ce qu’on fait dans notre lycée.
November 7, 2025 at 6:50 AM
Sympa la référence au ig’nobel🤣 on peut aussi utiliser des capteurs de radioactivité reliés à des arduinos c’est ce qu’on fait dans notre lycée.
Reposted by Jean-François Le Saux
🔗 Source: science.nasa.gov/exoplanets/h...
How do exoplanets get their names? - NASA Science
Exoplanet names can look long and complicated at first, especially in comparison to names like Venus and Mars. But they have a logic behind them that is
science.nasa.gov
October 24, 2025 at 2:50 PM
🔗 Source: science.nasa.gov/exoplanets/h...
censure établie : non
October 14, 2025 at 6:59 PM
censure établie : non
What if we used #Python (Skyfield) + 3D printing to build an educational device like an old orrery 🌍🔭 ? The Python files would drive the rotation of the planets. #EduSky #3DPrinting #Orrery
September 22, 2025 at 6:08 AM
What if we used #Python (Skyfield) + 3D printing to build an educational device like an old orrery 🌍🔭 ? The Python files would drive the rotation of the planets. #EduSky #3DPrinting #Orrery