The Astrolabe in 5 parts

Steve H created a set of five short videos about the Astrolabe last year.  This provides a short overview of the instrument.  It explains its use, history and construction. The second part covers some more detailed calculations. The third part explores the use of an Ephemeris explaining, for […]

Eiffel Tower model – Paper Card Sculpture

Steve H built this model of the Eiffel Tower in Paris from a single A4 sheet of card.  He used the Laser Cutter to score and cut the card.   Once you have cut the basic shape it can be folded as shown in the animation above.  The folding […]

The Astrolabe – what it is, and how to make one

Before the 17th century the premier astronomical instrument was the astrolabe, an early ancestor of the slide rule, theodolite and planetarium.