Michael Gisiger 3d ago

The British Museum has a very nice collection of #clocks, #watches, and #sundials.

How about an alarm clock from the 18th century that lights a candle with a flint lock and some gunpowder? And some impressive watches made by Abraham Breguet.

https://www.youtube.com/watch?v=Lc6rzJoAfkE

Clocks that brew tea, sing, and EXPLODE: 24 Hours in Clocks | Curator’s Corner S10 Ep6

YouTube
Hendrik HollanderSep 30
Restoration of an old sundial with 4 dials. #sundial #sundials #zonnewijzer #zonnewijzers #zonnewijzeropmaat #astronomie #astronomy #solartime #museum #restoration #brass
Hendrik HollanderSep 30
Restoration of an old sundial with 4 dials
#sundial #sundials #zonnewijzer #zonnewijzers #zonnewijzeropmaat
#astronomie #astronomy #solartime #museum #restoration #brass
Hendrik HollanderSep 30
Restoration of an ols sundial with 4 dials #sundial #sundials #zonnewijzer #zonnewijzers #zonnewijzeropmaat #astronomie #astronomy #solartime #museum #restoration #brass
Hendrik HollanderSep 19
restorated sundial. #sundial #sundials #zonnewijzer #zonnewijzers #zonnewijzeropmaat #astronomie #astronomy #solartime #museum #restoration #brass
Hendrik HollanderSep 19
restoration of an old sundial #sundial #sundials #zonnewijzer #zonnewijzers #zonnewijzeropmaat #astronomie #astronomy #solartime #museum #restoration #brass
Hendrik HollanderSep 19
Restoration of an old brass sundial. #sundial #sundials #zonnewijzer #zonnewijzers #zonnewijzeropmaat #astronomie #astronomy #solartime #museum #restoration #brass
Dr. Chris Rackauckas Sep 17

Sundials.jl v5.0: Update to SUNDIALS v7 and Improved DAE Initialization

A major update that brings significant improvements to differential-algebraic equation (DAE) solving and upgrades to the latest Sundials C library

https://sciml.ai/news/2025/09/17/sundials_v5_release/

#julialang #sciml #sundials #dae

SciML: Open Source Software for Scientific Machine Learning

Open Source Software for Scientific Machine Learning

Hendrik HollanderSep 9
The shadow marks a date
#sundial #sundials #zonnewijzer #zonnewijzers #zonnewijzeropmaat #brass
#astronomie #astronomy #solartime #museum #meridian #analemma
Hendrik HollanderSep 9
The sundial also marks the date on the ground
#sundial #sundials #zonnewijzer #zonnewijzers #zonnewijzeropmaat #brass
#astronomie #astronomy #solartime #museum #meridian #analemma
×
Hendrik HollanderSep 30
Restoration of an ols sundial with 4 dials #sundial #sundials #zonnewijzer #zonnewijzers #zonnewijzeropmaat #astronomie #astronomy #solartime #museum #restoration #brass