question:
The simplest solar cooker is the box cooker first built by Horace de Saussure in 1767.
Horace de Saussure built the first box cooker in what year?

answer: yes

question:
When the Ottomans demanded changes, Nicholas refused and prepared for war.
Which two figures refused to back down after the churches worked out their disagreements?

answer: no

question:
The format has retained some popularity among American collectors, and to a greater degree in Japan, where the format was better supported and more prevalent during its life.
Who chose LaserFisc for their Domesday Project in the mid-1980s?

answer: no

question:
From the early 12th century, French builders developed the Gothic style, marked by the use of rib vaults, pointed arches, flying buttresses, and large stained glass windows.
In what century did the Gothic style first flourish?

answer:
yes