Marc-Auguste Pictet demonstrated the apparent reflection of cold by mirrors
... that in 1790, ten years before the discovery of infrared heating of the Earth by the Sun, Marc-Auguste Pictet demonstrated the apparent reflection of cold by mirrors?
... that in 1790, ten years before the discovery of infrared heating of the Earth by the Sun, <b id="mwAVk"><a href="./Pictet's_experiment" id="mwAVo" rel="mw:WikiLink" title="Pictet's experiment">Marc-Auguste Pictet demonstrated the apparent reflection of cold by mirrors</a></b>?