If you knew every physical fact about the world but had only experienced the confines of a black and white room would you learn anything new when you see a ripe red tomato for the first time? This episode of the egg timer considers this thought experiment and the threats to the physicalist world view that it poses.
Art Attribution: By made by Was a bee. - Original strawberry's image is from Image:Fragaria_Fruit_Close-up.jpg uploaded by User:FoeNyx,and original man's image is from Image:Munemitsu Mutsu 2.jpg uploaded by User:Ueda.H,and I User:Was a bee combined it in one image., CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=709740